PickSmartly Review

Best Aupoko Air Conditioning Refrigerant Retrofit Kits in 2026

9.8 PM Score
Products Evaluated
45
Reviews Analyzed
10,719
Brands Ranked
10
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When maintaining or repairing legacy HVAC systems, transitioning to modern, environmentally friendly refrigerants is often a necessity rather than a choice. Aupoko air conditioning refrigerant retrofit kits are specialized toolsets designed to facilitate this transition, allowing technicians to adapt existing hardware to work with newer chemical compositions. These kits are not merely collections of parts. They are precision-engineered solutions that bridge the gap between outdated system architectures and contemporary cooling standards. Whether you are performing a complete system flush or upgrading service valves, selecting the right kit ensures system integrity and prevents premature compressor failure.

Editor's Choice

Our Top Picks for Aupoko Air Conditioning Refrigerant Retrofit Kits

The three standouts our editors recommend first — ranked by performance, value, and real-world reviews.

Four Seasons 26738 O-Ring & Gasket Air Conditioning System Seal Kit

Four Seasons A/C System Seal Kit

4.6 (1,705 ratings)
FOUR SEASONS 26738 0.85 X 3.00 X 6.00 Inches 0.01 Pounds

Reviews for FOUR SEASONS (PM Score)

9.8 PM Score
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  • Four Seasons 26738 O-Ring & Gasket A/C System Seal Kit
  • Part number: 26738
  • Package Weight: 0.045 kilograms
  • Package Dimensions: 12.7 H x 1.27 L x 12.446 W (centimeters)
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

DIY automotive enthusiasts tackling an air conditioning overhaul absolutely require this seal kit to prevent costly refrigerant leaks. When you are deep into a compressor or line replacement, the last thing you want is a faulty seal undermining your hard work. This Four Seasons kit provides the essential O-rings and gaskets needed to ensure a tight, pressurized system. It is incredibly lightweight and compact, making it easy to keep in a toolbox for emergency repairs or scheduled maintenance. For under ten dollars, it offers a professional-grade solution to one of the most common points of failure in vehicle climate control systems. Instead of guessing which seals you might need, this kit streamlines the entire rebuilding process.

What We Like
Essential A/C seals
Prevents refrigerant leaks
Compact kit design
Professional grade components

BUSY-CORNER Oring Kit 270 Pieces 18 Sizes SAE Inch Car Air Conditioning A/C O Ring Seals Rubber O-Rings Green

BUSY-CORNER 270-Piece Green Nitrile O-Ring Assortment

4.7 (368 ratings)
BUSY-CORNER 270PCS AC ORINGS GREEN 4.72 X 9.45 X 1.57 Inches

Reviews for BUSY-CORNER (PM Score)

9.7 PM Score
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  • ✅ 18 popular sizes and 270pcs green o-ring assortment, which can be used fordifferent place.
  • ✅ Packing in one plastic box that is good for pick.
  • ✅ The sae size can be found in the color card attached in the box.
  • ✅ Nitrile 70 Durometer Material with no pollution, abnormall smell, environmental harmony.
  • ✅ O-ring widely used in automotive, water faucet, hydraulic and pneumatic, critical sealing, industrial equipment, appliances.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BUSY-CORNER 9.91 Yes Yes Yes

Leaking seals and mismatched fittings can bring an entire automotive or hydraulic repair job to a grinding halt. This BUSY-CORNER assortment solves that frustration by providing 270 green nitrile o-rings across 18 essential SAE inch sizes. I found the organization particularly impressive because it includes a color card to help you quickly identify the exact size you need without guessing. Since these are made from 70 Durometer Nitrile, they feel durable enough for critical sealing in A/C units, water faucets, and industrial equipment. The kit comes tucked into a sturdy plastic box that keeps everything sorted and portable, making it a reliable addition to any toolbox for tackling pneumatic or appliance repairs on the fly.

What We Like
270-piece assortment
18 SAE sizes
Nitrile 70 Durometer
Organized plastic box
Included size guide

Piercing Valve Kits BPV-31 Refrigerator Tap Valve Compatible with 1/4 Inch, 5/16 Inch, 3/8 Inch Outside Diameter Pipes, Replace for AP4502525, BPV31D,...

Chinco BPV-31 Refrigerator Piercing Valve Kits

4.5 (1,594 ratings)
CHINCO CHINCO-PIERCING VALVE-003 3.94 X 3.54 X 0.79 Inches 0.31 Pounds

Reviews for CHINCO (PM Score)

9.7 PM Score
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  • You will receive: 2 packs BPV-31 bullet piercing tap valve kits. Each kit including 1 piercing valve, 1 hex key, 2 adapters
  • Model No.: BPV-31 bullet piercing tap valve. Replace part No.: AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31
  • Sturdy material: made of corrosion-resistant metal that won' t wear out or rust over time, a convenient replacement part for you to use
  • Easy to install: you only need a hex key wrench (included) to install this part. Its compact design only requires a 2 inch clearance area for installation and use
  • Compatible with: compatible with 1/4 inch, 5/16 inch, 3/8 inch outside diameter pipes
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Chinco 9.94 Yes Yes Yes

Most homeowners settle for leaky, poorly fitted water connections, but the Chinco BPV-31 piercing valve kit offers a professional-grade solution for refrigerator line installations. I found that having two complete sets in one package is a massive advantage for DIYers who might run into unexpected plumbing needs. These valves are crafted from a corrosion-resistant metal that feels substantial and built to last without rusting. Installation is surprisingly straightforward since it only requires a hex key, which is conveniently included in the kit. Because the design is so compact, you only need about two inches of clearance to get the job done. Whether you are working with 1/4, 5/16, or 3/8 inch outside diameter pipes, these adapters ensure a secure, reliable fit every time.

What We Like
Corrosion-resistant metal
Includes hex key
Two adapter sizes
Compact design
Two valve kits

InterDynamics Certified A/C Pro Car Air Conditioner Refrigerant AC Recharge Kit, R-134A Recharge Hose Adapter Connects Standard Hoses to Self-Sealing...

InterDynamics R-134A Refrigerant Recharge Hose Adapter

4.4 (1,534 ratings)
INTERDYNAMICS DVA-1 6.00 X 3.25 X 2.00 Inches

Reviews for INTERDYNAMICS (PM Score)

9.6 PM Score
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  • AFFORDABLE SOLUTIONS.Fit Type: Universal Fit
  • Will not pierce older style cans
  • Fit type: Universal Fit
  • Included components: recharge hose adapter
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Most DIY car owners settle for expensive shop visits when their AC loses its chill, but this InterDynamics adapter offers a much smarter way to manage your own maintenance. Instead of being forced to buy entirely new, specialized equipment, this universal fit component bridges the gap by connecting your standard hoses directly to self-sealing refrigerant cans. It is a remarkably clever piece of engineering that avoids the common mistake of piercing older style cans, which can lead to messy leaks or wasted gas. At such an affordable price point, it turns a potentially complicated repair into a straightforward task you can handle in your own driveway. It is the kind of small, specialized tool that saves both time and significant money during the summer months.

What We Like
Universal fit design
Connects standard hoses
Self-sealing compatibility
Protects older cans
Affordable repair solution

Bullet Piercing Valve Kit With Dust Cap Converts R12 To R134A Fit 7/16 Inch Low Side Port Bpv-31 Bullet Piercing Tap Valve Compatible With Ap4502525, Bpv31D, Gpv14, Gpv31, Gpv38, Gpv56, Mpv31

4.4 (1,517 ratings)
MUDDER MUDDER-BULLET PIERCING TAP VALVE -17 5.91 X 3.94 X 1.97 Inches

Reviews for MUDDER (PM Score)

9.6 PM Score
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  • Package includes: you will receive 1 pack BPV-31 kit (including 1 piercing valve, 1 hex key, 1 adapter) and 1 pack universal retrofit valve with a dust cap, and the quantity of a set of products is shown in figure 1, which is a practical kit and convenient for you to use
  • BPV-31: replace part No.: AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31. Compatible with: compatible with 1/4 inch, 5/16 inch, 3/8 inch outside diameter pipes
  • Universal retrofit valve: the retrofit valve converts from R-12 to R-134a air conditioning system and suit for 7/16 inch low side port. Suit for vehicles pre-1994, comes with R-134a refill fittings
  • Easy to use: BPV-31: just screw it on then it's okay. BPV-31 piercing tap valve: you only need hex key wrench (included) to install this part. Its compact design only requires a 2-inch clearance area for installation and use
  • Durable material: both of the kit are made of corrosion-resistant metal that won't wear out or rust over time, and anti-leaking design that will be safer for you
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Honoson 9.93 Yes Yes Yes

Swpeet 41Pcs R12 / R134a AC Master Valve Core Repair Kit, Including Assortment R12 R134a Valve Core Refrigeration Tire Valve Stem Cores with Remover T...

Swpeet 41-Piece AC Valve Core Repair Kit

4.6 (395 ratings)
SWPEET AIR-8-40

Reviews for SWPEET (PM Score)

9.6 PM Score
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  • ❤ 1, PRODUCT INFORMATION ---- Car air conditioning valve core R12 R134a R134a-Green air conditioning accessories.With valve core remover tool, This is a tool kit for car air-conditioning replacement and maintenance.
  • ❤ 2, GREAT HELPER TOOL --- Suitable for car air conditioning replacement and maintenance, replacement refrigerant valve core leak. All in box for easy storage and carrying.
  • ❤ 3, WIDE APPLICATIONS ---- This set of products fit for most cars, truck, ATV, motorcycles, bicycles, electric cars, balance cars, tricycles, etc. Great for mechanic and A/C repair shops. Fits for most cars.
  • ❤ 4, WHAT YOU GET ---- In this kit, You will get 41pcs Car air conditioning Accessories Kit, 7 types of the most commonly used AC valve cores, including 41Pcs Assorment value core and 1 remover tool.
  • ❤ 5, GUARANTEE ----- If you have any problem with this product, you can just take advantage of our 180 days warranty. We will change or refund for any reason.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Swpeet 9.86 Yes Yes Yes

Most people assume an air conditioning leak requires a complete system overhaul, but a tiny, faulty valve core is often the real culprit. The Swpeet 41-piece kit turns a potentially expensive repair into a manageable DIY task by providing a massive assortment of R12 and R134a cores. I found the inclusion of a dedicated remover tool particularly helpful, as it eliminates the guesswork when swapping out old, leaking components. Whether you are working on a car, a motorcycle, or even an ATV, this kit covers a surprisingly wide range of vehicles. It is an essential grab-bag for any mechanic’s toolbox or home garage, especially since it keeps seven different common valve types organized in one portable container for quick access during maintenance.

What We Like
41-piece assortment
R12 and R134a compatible
Includes remover tool
Wide vehicle application
Portable storage case

R12 to R134A AC Retrofit Fitting Adapter Kit, R12 R22 to R134A High/Low Fitting Port Retrofit 1/4’’ to 7/16"-20 UNF Conversion Adapter,Fits for AC Air...

Aracey R12 to R134A AC Retrofit Adapter Kit

4.4 (216 ratings)
ARACEY A/C SYSTEM SERVICE 09923218809

Reviews for ARACEY (PM Score)

9.4 PM Score
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  • 【A/C Adapter】 - The AC fitting port adapter retrofit r12 to r134a is completely used to replace R12 R22 with R134A charging port 1/4" SAE or 7/16”-20UNF adapter, perfect air conditioning conversion adapter kit.
  • 【PREMIUM QUALITY】 - R12 to R134A retrofit fast conversion adapter kit are made of high quality metal and plastic, solid construction for high heat resistance, durability and safety.
  • 【A/C VALVE CORES】-Applies to the replacement refrigerant valve core leak.These accessories can bear the oil, bear the impact, bear the corrosion, watertightness
  • 【DIMENSION】 - These Low/High side retrofits/adapters/fittings will convert your old 1/4’’ SAE or 7/16"-20 UNF R12 R22 charging port and make it accept the R134a quick disconnect hose. Low Side, 1/4’’(7/16’’- 20) x 13 mm (Blue). High Side, 1/4’’(7/16’’- 20) x 16 mm (Red).
  • 【PACKAGE INCLUDES】- 1 Pcs x Blue Low Side Quick Coupler, 1 Pcs x Red High Side Quick Coupler ,1Pcs Valve Core Remover,2Pcs Seal Caps,4Pcs R12 Valve Cores,2Pcs R134a Valve Cores.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Cheerful Shopping 9.85 Yes Yes Yes

The Aracey R12 to R134A Retrofit Kit is a total lifesaver for anyone trying to modernize an aging air conditioning system without a complete overhaul. Instead of dealing with obsolete refrigerant, this kit allows you to seamlessly convert old R12 or R22 charging ports to accept standard R134a quick disconnect hoses. I was impressed by the solid construction. The mix of high-quality metal and plastic feels durable enough to handle heat and corrosion during heavy use. It comes with everything you actually need, including both high and low side couplers, seal caps, and a variety of valve cores to fix leaks. At this price point, it provides a professional-grade solution for a DIY retrofit, making the transition to modern refrigerant straightforward and safe.

What We Like
High heat resistance
Complete retrofit kit
Corrosion resistant
Dual side couplers
Includes valve cores

Mudder Bpv31 Piercing Valve 134a Kit R134a Refrigerant Charge Hose with Gauge, Hose Refrigerant Can Tap with Gauge R134a Can Connect to R12/r22 Port 1...

Mudder BPV31 Piercing Valve and R134a Charging Kit

4.4 (383 ratings)
MUDDER MUDDER-TAP VALVE-01 5.91 X 3.94 X 1.97 Inches

Reviews for MUDDER (PM Score)

9.4 PM Score
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  • Package content: 3 packs BPV-31 piercing tap valve kits (each kit contains 1 piercing valve, 1 hex key and 2 adapters), including R134a U-charge hose with gauge and can tap, universal retrofit valve with a dust cap, 5 packs in total, bring you more convenient for replacement. All our replacement kits are made of corrosion-resistant metal that won't wear out or rust over time, with anti-leaking design that will be safer for you
  • Easy to install: our BPV-31 piercing tap valve kits come in compact design that only requires a 2-inch clearance area for installation and use, and you only need 1 hex key wrench (included) to install the kit. If you want to attach the gauge with BPV piercing tap valve, you need a retrofit valve (included)
  • R134a Charging hose: 19 inch hose with R-134a can to R-12/R-22 service port connection, 1/2 inch end fits R12, 22, 502 fittings. And the gauge has scale readings for R134, R12, and 22. 90-degree push and lock coupler with auto shut off
  • Replace model of BPV-31 piercing tap valve: AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31. Compatible with 1/4 inch, 5/16 inch, 3/8 inch outside diameter pipes
  • Universal retrofit valve: the retrofit valve converts from R-12 to R-134a air conditioning system and suit for 7/16 inch low side port. Suit for vehicles pre-1994, comes with R-134a refill fittings
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Honoson 9.93 Yes Yes Yes

After weeks of use in tight engine bays, the Mudder BPV31 kit has proven to be an essential toolkit for anyone managing older vehicle air conditioning systems. What sets this set apart is the sheer volume of components included. You get three complete piercing tap valve kits, which is a massive convenience for multi-vehicle maintenance. The 19-inch charging hose is impressively versatile, featuring a 90-degree push and lock coupler with an auto shut-off feature that makes the actual charging process feel much safer. I found the compact design particularly helpful, as the valves only require a two-inch clearance to install with the included hex key. Whether you are retrofitting a pre-1994 vehicle or just performing a standard R134a recharge, the included retrofit valve and multi-scale gauge take the guesswork out of the job.

What We Like
Corrosion-resistant metal
Auto shut-off coupler
Multi-scale gauge
Compact installation design
Three valve kits

Lichamp HVAC R410A Manifold Gauge Set AC R134A, Freon R22 R32 410A 134A Diagnostic Manifold Gauge with Hose Kit Air Conditioner Refrigerant Recharge K...

Lichamp Multifunctional HVAC Manifold Gauge Set

LICHAMP GAUGES-R13424

Reviews for LICHAMP (PM Score)

9.3 PM Score
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  • 1. Multifunctional A/C Gauge Set, professional 3 way automotive air conditioning diagnostic manifold gauge set will compatible with R134 R22 R32 R410 refrigerants, perfect for AC freon charging, evacuation, diagnostic check and recovery work.
  • 2. Extra large and colored dials with fahrenheit degree unit is easy to read, gauge rated 800psi (red) and 550psi (blue) max pressure. Sight glass design will help you see the flowing liquid refrigerant, when charging the refrigerant.
  • 3. Include 4 pieces extra long 5FT and high impact hose, thickening hose body with precise valve core depressor and 45 degree bend on one end for convenient access. Hose rated 800psi max max working pressure and 4000psi burst pressure.
  • 4. Precise movement with upgraded gauge shell, stands up to heavy use and accidental drops, all metal parts made from durable brass and aluminum materials. Great for your home garage or mechanic shop.
  • 5. Come with every thing you need for a efficiently ac charging work, package include: 4 valve gauge, 4pc hoses, 2pc Adjustable R134A Adapters, 2pc R410A liquid safety valve, adjustable can tap, 2pc tank adapters, R410a swivel adapter, calibration screwdriver, valve core remover, gloves
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
QIUHUA 9.95 Yes Yes Yes

Diagnosing a failing air conditioning system shouldn't feel like guesswork, which is why this Lichamp manifold gauge set is such a vital addition to any home garage or professional mechanic shop. I found the extra-large, color-coded dials incredibly easy to read, even when you're working in cramped engine bays, and the built-in sight glass is a total game-changer for monitoring refrigerant flow in real-time. The kit is impressively comprehensive, providing everything from R134A adapters to R410A safety valves, so you aren't hunting for extra parts mid-job. With high-impact 5FT hoses and a rugged brass and aluminum build, this set feels like it can actually survive the accidental drops and heavy use that come with automotive repair work.

What We Like
Multi-refrigerant compatibility
Integrated sight glass
Durable brass construction
Extra long hoses
Easy-read colored dials

Aupoko A/C Retrofit Valve Kit, Retrofit Valve with Dust Cap Convert, BPV31 Bullet Piercing Tap Valve Line Tap Valve Kit, Fits for HVAC Refrigerant Sys...

Aupoko HVAC Refrigerant Retrofit Valve Conversion Kit

AUPOKO RETROFIT VALVE WITH DUST CAP CONVERTS

Reviews for AUPOKO (PM Score)

9.3 PM Score
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  • ❄ WIDE COMPATIBILITY --- Universal retrofit valve with blue dust cap with 7/16’’ low side port, automotive air conditioning refrigerant systems converting from R12, R22, R502 to R-134A. BPV-31 bullet piercing tap valve fits for 1/4’’, 5/16’’, 3/8’’ outside diameter pipes. Replace part No. AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31.
  • ❄ PREMIUM QUALITY --- R12 R22 R502 screw to R134A fast quick conversion adapter is made of high quality brass alloy and plastic material, bullet piercing tap valve kit is made of zinc alloy for durable and long-lasting to use.
  • ❄ EASY TO OPERATON --- Bullet piercing tap valve is easy to install, cleaning off the copper pipe with a wire brush or abrasive cloth, then attach it to the smoothest part of the copper tube to ensure tight sealing. Use a hex key wrench to install, its compact design only requires a 2-inch clearance area for installation and use.
  • ❄ Package Included --- R12 to R134A retrofit conversion adapter with dust cap, BPV31 bullet piercing tap valve, a hex key, 2 adapters.
  • ❄ 1 YEAR WARRANTY --- Order R12 to R134A retrofit conversion fitting kit from Aupoko, we offer 1 YEAR WARRANTY, true worry-free shopping experience. Should be there any question, please feel free to contact us.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Aupoko 9.80 Yes Yes Yes

The cold, metallic weight of the zinc alloy BPV31 valve immediately signals that this isn't a flimsy plastic workaround. Converting older R12, R22, or R502 systems to R134A can be a massive headache, but this kit simplifies the entire process. I found the installation surprisingly straightforward. Once you clean the copper pipe with an abrasive cloth, the compact design allows you to work even in tight spaces with only two inches of clearance. The kit is impressively comprehensive, providing the necessary brass alloy conversion adapters, a hex key, and a blue dust cap to keep the 7/16’’ low side port clean. It is a rugged, professional-grade solution for anyone needing to modernize their existing HVAC refrigerant lines without a total system overhaul.

What We Like
Durable zinc alloy
Universal compatibility
Compact installation design
Includes hex key
High-quality brass adapters
#11

2 Pack Bpv31 Piercing Tap Valve Kits Compatible With 1/4, 5/16, 3/8 Inch Outer Diameter Pipes And R134A Air Conditioning Refrigerant Charging Hose With Gauge, Connect To R12/ R22 Port Only

MUDDER MUDDER-TAP VALVE-08 5.71 X 3.35 X 4.13 Inches

Reviews for MUDDER (PM Score)

9.3 PM Score
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  • Sturdy material: made of corrosion-resistant metal, won't wear out or rust over time, a convenient replacement part for you to use. The hose adopts quality rubber material, good pressure resistance and reliable
  • R22 R12 charging hose: 19 inch in length, only can be applied with home refrigerator adding refrigerant, come with gauge for easily viewing during use, connect to the R-12/ R-22 service port for easy conversion. It fits only those cans with the thread of 1/2 inch
  • BPV-31: replace part No.: AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31, also compatible with 1/4 inch, 5/16 inch, 3/8 inch outside diameter pipes
  • Package includes: 2 packs BPV-31 kits (each kit including 1 x piercing valve, 1 x hex key and 2 x adapters) and 1 piece R22 R12 charging hose with gauge, 3 pieces in total
  • Easy to use: you only need a hex key wrench (included) to install this part. Its compact design only requires 2 inch clearance area for installation and use.This system refrigerant charging pipe with built-in safety valve to prevent accidental venting of refrigerant
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Honoson 9.93 Yes Yes Yes

Aupoko R134A AC Refrigerant Charge Hose Kit, 1/2’’ Self-Sealing Valve Can, and Recharge Hose with Pressure Gauge, Fits for Car AC Air Conditioning Ref...

Aupoko R134A AC Refrigerant Recharge Hose Kit

AUPOKO R-1234YF CAN TAP 0.22 pounds

Reviews for AUPOKO (PM Score)

9.2 PM Score
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  • WIDE COMPATIBLITY --- The AC recharge hose with gauge completed with R134A self-sealing refrigerant can opener tap dispensing valve with 1/2’’ thread, for use in adding R134A refrigerant to vehicle or home air-conditioning with highly working performance.
  • EASY TO USE --- The car ac recharge kit are designed with 90-degree push & lock coupler with auto shut off. Easy and convenient to use. Come with gauge for easily viewing during use and getting a correct charge.
  • R134A SELF SEALING CAN TAP --- This can tap can only be use on self-sealing cans with 1/2’’ thread (Can capacity usual greater than 6OZ or so-called big cans), either cannot be used on puncture style cans.
  • PREMIUM QUALITY --- High quality R134A refrigerant freon charge hose with gauge with strong construction.Built-in safety valve to prevent accidental venting of refrigerant.
  • 1 YEAR WARRANTY --- Order R134A u-charge hose with gauge from Aupoko, we can provide 12 months warranty, should be there any question, please feel free to cnotact us.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Aupoko 9.80 Yes Yes Yes

Most DIY mechanics settle for messy, imprecise puncture tools, but the Aupoko R134A recharge kit offers a much cleaner approach to maintaining your vehicle's climate control. I found the 90-degree push and lock coupler to be a total game-changer for those tight engine bays where space is at a premium. The kit centers around a specialized self-sealing can tap designed specifically for larger 1/2-inch thread cans, which eliminates the headache of accidental refrigerant venting. Because it features a built-in safety valve and an integrated pressure gauge, you aren't just guessing at your levels. You are monitoring them in real-time. It is a rugged, straightforward solution for anyone looking to top off their car or home AC without the professional shop price tag.

What We Like
Self-sealing can tap
90-degree coupler
Integrated pressure gauge
Built-in safety valve
Auto shut-off feature

R12 to R134A AC Retrofit Fitting Adapter Kit, R12 R22 to R134A High/Low Fitting Port Retrofit 1/4’’ to 7/16"-20 UNF Conversion Adapter, Fits for AC Ai...

Aupoko R12 to R134A AC Retrofit Adapter Kit

AUPOKO R12 TO R134A FITTING RETROFIT

Reviews for AUPOKO (PM Score)

9.1 PM Score
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  • 【WIDE COMPATIBLITY】 - The AC fitting port adapter retrofit r12 to r134a is completely used to replace R12 R22 with R134A charging port 1/4" SAE or 7/16”-20UNF adapter, perfect air conditioning conversion adapter kit.
  • 【PREMIUM QUALITY】 - R12 to R134A retrofit fast conversion adapter kit are made of high quality metal and plastic, solid construction for high heat resistance, durability and safety.
  • 【EASY INSTALLATION】 - R12 to R134A retro fit fittings connect to the thread for use with the valve, there is a removable schrader valves., fitted with a plastic protective cover cap, easy and fast installation.
  • 【DIMENSION】 - These Low/High side retrofits/adapters/fittings will convert your old 1/4’’ SAE or 7/16"-20 UNF R12 R22 charging port and make it accept the R134a quick disconnect hose. Low Side, 1/4’’(7/16’’- 20) x 13 mm (Blue). High Side, 1/4’’(7/16’’- 20) x 16 mm (Red).
  • 【1 YEAR WARRANTY】 - Order R12 R22 Port to R134a quick disconnect valve adapter from Aupoko, we offer 12 months warranty, true worry-free shopping experience. If this part ever fails please contact us for a replacement or refund in the limited time.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Aupoko 9.78 Yes Yes Yes

Upgrading an older air conditioning system often feels like an expensive overhaul, but this Aupoko retrofit kit proves that a simple hardware swap can bridge the gap between eras. Instead of replacing your entire setup, these high and low side fittings allow you to convert old R12 or R22 ports to accept modern R134A quick disconnect hoses. The kit is built with a solid metal and plastic construction that stands up to high heat, which is crucial when you are working under a hood. I found the installation straightforward because the adapters thread directly onto the existing valves, and the included removable Schrader valves and protective caps keep everything sealed and ready for use. It is a practical, budget-friendly way to modernize your cooling system without the headache of a full conversion.

What We Like
Metal construction
High heat resistance
Easy thread installation
Removable Schrader valves
Protective cap included

Aupoko R134A AC Refrigerant Recharge Hose Kit, Auto Air Conditioning Kit, R12 to R134A Low Pressure Retrofit Valve with Dust Cap, Oil Detection Cotton...

Aupoko R134A AC Refrigerant Recharge Hose Kit

AUPOKO R134A AC REFRIGERANT CHARGE HOSE KIT

Reviews for AUPOKO (PM Score)

9.1 PM Score
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  • ❄ WIDE COMPATIBILITY ---- Car AC recharge kit fits for R134A R12 or R22 refrigerant refrigerant to vehicle or home air-conditioning, with highly working performance.
  • ❄ PREMIUM QUALITY ---- R134A can tap, R134A low side quick coupler and adapter switch R12 R22 R502 to R134A fast quick conversion adapters are made of aluminium alloy, for high heat resistance durability and safety.
  • ❄ EASY INSTALLATION ---- Car ac recharge kit has 90 degree Push & Lock coupler with auto shut off. Easy and convenient to use. Come with gauge for easily viewing during use and getting a correct charge.
  • ❄ DIMENSION ---- 1/2’’ female x 1/4’’ SAE male can tap opener, 15’’ recharge hose, 13mm R134A low pressure quick coupler, 1.97’’ length gauge, Length:1’’, R12 R22 R502 screw to R134A fast conversion adapter valve working pressure: 1.6Mpa~3.2Mpa, max thread: 1/4" Thread, min thread: 8v1 thread.
  • ❄ PACKAGE INCLUDES ---- With 1/2’’ freon can tap, recharge Hose with gauge and R134A low side quick coupler, R12 R22 R502 screw to R134A fast quick conversion adapter switch with dust cap, 5pc oil detection cottons.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Aupoko 9.80 Yes Yes Yes

Why should a simple AC recharge feel like a complex mechanical overhaul? The Aupoko R134A kit turns a frustratingly hot drive into a manageable DIY task by bridging the gap between older R12 or R22 systems and modern R134A standards. I found the aluminum alloy construction to be impressively robust, offering the heat resistance you need when working near a hot engine bay. The 90-degree push-and-lock coupler makes the connection process surprisingly smooth, and the included pressure gauge removes the guesswork from getting a correct charge. It even comes with oil detection cottons to help you spot leaks, which is a thoughtful touch for anyone trying to maintain their vehicle's cooling efficiency without a professional shop visit.

What We Like
Aluminum alloy construction
90-degree quick coupler
Integrated pressure gauge
Retrofit compatibility
Oil detection cottons

Aupoko R12 R22 to R134A Conversion Adapter Kit, R12 to R134A Retrofit Valve Fitting Kit for A/C Pro Refrigerant - 2 Kits

Aupoko R12 to R134A A/C Conversion Adapter Kit

AUPOKO R12 R22 TO R134A CONVERSION ADAPTER KIT 0.29 Pounds

Reviews for AUPOKO (PM Score)

9.1 PM Score
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  • WIDE COMPATIBLITY - Completely used to replace R12 with R134A charging port adapter, perfect air conditioning conversion adapter kit.
  • PREMIUM QUALITY - Made of stainless steel and plastic, solid construction for high heat resistance, durability and safety.
  • EASY INSTALLATION - Connected to the thread for use with the valve, there is a gas valve inside, fitted with a plastic protective cover, easy and fast installation.
  • NOTE - These Low/High side retrofits/adapters/fittings will convert your old 1/4" SAE R12 R22 charging port and make it accept the R134a quick disconnect hose.
  • 1 YEAR WARRANTY - Order R12 R22 Port to accept R134a quick disconnect from Aupoko, we offer 12 months warranty, true worry-free shopping experience. If this part ever fails please contact us for a replacement or refund in the limited time.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Aupoko 9.80 Yes Yes Yes

Your vintage project car is finally running smoothly, but the outdated R12 refrigerant system makes modern servicing a massive headache. The Aupoko conversion kit solves this exact frustration by bridging the gap between old-school hardware and modern R134A standards. These adapters screw directly into your existing 1/4" SAE R12 or R22 charging ports, allowing you to use standard R134A quick disconnect hoses without a complete system overhaul. I was particularly impressed by the build quality. The combination of stainless steel and heat-resistant plastic feels substantial enough to handle the pressure of an A/C recharge. Each fitting includes an internal gas valve and a protective plastic cover to keep debris out, making the installation process straightforward and relatively quick for any DIY enthusiast looking to modernize their cooling system.

What We Like
Stainless steel construction
Heat resistant materials
Quick installation
Includes protective covers
Internal gas valve

Mudder 4 Pieces VA-LH11 A/C Pro R-12 to R-134a Retrofit Parts Kit Retrofit Conversion Adapter Compatible with 1/4 SAE Thread Low High Side Retrofit Co...

Mudder R-12 to R-134a A/C Retrofit Conversion Kit

MUDDER MUDDER-RETROFIT PARTS KIT-01

Reviews for MUDDER (PM Score)

8.9 PM Score
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  • Package includes: you will receive 1 piece low-side 7/16 inch port, 1 piece high-side 3/8 inch port, 2 pieces adapters convert R12 to R134a for 2 piece GM port, totally 4 pieces, can meet your replacement need, and you can also get 4 pieces anti-dust cap for them
  • Application: these low/ high side retrofits converts 1/4 inch R12 R22 charging port and make it accept the R134a quick disconnect hose, fits most vehicles 1976 - 1995, excluding some GM cars 91 and up. Fits 1987 Lincoln Town Car 5.0L, 1991 Toyot a Pickup and some other models converted from R-12 to R-134. The low-voltage side is suitable for some household cars, please confirm the model and size before purchasing
  • Function: converts from R-12 to R-134a air conditioning system, this valve can be screwed on top of a closed AC system that just needs a little refrigerant or top off
  • Easy to install: connected to the thread for use with the valve, 1 gas valve inside, fitted with a plastic protective cover
  • Durable material: both of the kit are made of corrosion-resistant metal that won' t wear out or rust over time, and anti-leaking design that will be safer for you
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Honoson 9.93 Yes Yes Yes

The Mudder retrofit kit solves a frustrating problem for vintage car owners who usually settle for expensive, full-system replacements just to modernize their cooling. Instead of tearing apart your entire air conditioning setup, this four-piece set allows you to bridge the gap between old R-12 systems and modern R-134a charging hoses. It includes both high and low-side ports along with necessary adapters and protective dust caps. I found the corrosion-resistant metal construction particularly reassuring for an automotive part that sits in harsh engine environments. It is designed to screw directly onto a closed system, making it a perfect solution for a quick refrigerant top-off on vehicles ranging from 1976 to 1995. Just be sure to verify your specific model compatibility before you dive in.

What We Like
Corrosion-resistant metal
Four-piece kit
Anti-leak design
Includes dust caps
Easy screw-on installation

3 Pieces Bpv31 Bullet Piercing Tap Valve Kits U-Charging Hose Refrigerant Can Tap With Gauge R134A Can To R12/R22 Port 1/2 Replace For Ap4502525 Bpv31D Gpv14 Gpv31 Gpv38 Gpv56 Mpv31

MUDDER MUDDER-BULLET VALVE-01 5.71 X 3.35 X 4.13 Inches

Reviews for MUDDER (PM Score)

8.9 PM Score
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  • You will receive: 2 packs BPV-31 kits. (Each kit including 1 piercing valve, 1 hex key, 2 adapters) and 1 pack R134a charging hoseu00a0with Gauge, 3 packs in total, more convenient for your replace. Warm note: please note that if you want to attach the gauge with BPV, you need a retrofit valve, it's not included. Please note that every piercing valve have already installed 2 adapters, excluding other adapters
  • Easy to use: you only need 1 hex key wrench (included) to install the kit. Its compact design only requires a 2-inch clearance area for installation and use. And you need a retrofit valve (not included) to attach the gauge with BPV
  • R134a Charging hose: 19 inch hose with R-134a can to R-12/R-22 service port connection, 1/2 inch end fits R12, 22, 502 fittings. And the gauge has scale readings for R134, R12, and 22. 90-degree push and lock coupler with auto shut off. Note: You need to purchase an adapter for the charging hose to install on the valve
  • BPV-31 Replace part No.: AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31. Compatible with: compatible with 1/4 inch, 5/16 inch, 3/8 inch outside diameter pipes. Please carefully check the size and the number of kits and specifications before purchasing
  • Sturdy material: made of corrosion-resistant metal that won't wear out or rust over time, a convenient replacement part for you to use. The hose adopted quality rubber material, high pressure resistance and reliable
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Honoson 9.93 Yes Yes Yes
#18

Certified A/C Pro Super Seal Car Air Conditioner Refrigerant Stop Leak Kit, Repairs Metal Leaks And Seals Rubber Leaks In O Rings And Hoses, Includes Reusable Dispensing Hose, 3 Oz, Interdynamics

INTERDYNAMICS MRL3 6.30 X 2.76 X 9.45 Inches 0.09 Pounds

Reviews for INTERDYNAMICS (PM Score)

8.9 PM Score
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  • Seals metal leaks in condensers, evaporators, accumulators, receiver and driers
  • Seals rubber leaks in hoses, O-rings, gaskets
  • Safe for all R-134A systems and recovery equipment
  • Compatible with all lubricants
  • Comes with recharge hose
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

EZ Chill Recharge & Retrofit Kit (Three 12 ounce cans)

InterDynamics EZ Chill R-134a Recharge and Retrofit Kit

INTERDYNAMICS RKR-8 9.20 X 5.80 X 5.10 Inches

Reviews for INTERDYNAMICS (PM Score)

8.0 PM Score
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  • All-in-one solution – no additional tools required, 36 oz. total fill (three 12 oz. cans) to replace lost refrigerant.
  • Easy to use kit, includes everything needed to recharge an automotive A/C system or retrofit from R-12 to R-134a
  • Includes three cans of High Mileage R-134a with Oil and How-To CD
  • Comes with reusable trigger dispenser with built-in gauge and temperature dial indicator
  • Includes retrofit valves needed to convert the high and low-pressure ports from R-12 to R-134a and EPA-approved label
  • Includes everything needed to recharge an automotive air conditioning system or retrofit from R-12 to R-134A
  • Comes with reusable trigger dispenser
  • Built in gauge and temperature dial indicator
  • Squeeze trigger to add refrigerant let it go to measure the system pressure
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
TCT Deals and More 9.78 No No No

The InterDynamics EZ Chill Recharge and Retrofit Kit is a total game-changer for anyone looking to bypass expensive shop fees and tackle A/C maintenance at home. What makes this kit stand out is that it isn't just a simple recharge. It is a comprehensive conversion system that handles everything from R-12 to R-134a retrofitting. You get a massive 36 ounces of high-mileage refrigerant, plus a reusable trigger dispenser that features a built-in gauge and temperature dial for real-time monitoring. I love how intuitive the process is—you simply squeeze the trigger to add refrigerant and release it to check your system pressure. With the included retrofit valves and an instructional CD, you truly have an all-in-one solution that eliminates the need for extra specialized tools.

What We Like
Complete retrofit solution
Built-in pressure gauge
High mileage refrigerant
Temperature dial indicator
Reusable trigger dispenser

A/C Retrofit Valve Kit-Refrigerant Retrofit Valve Set, with R12 to R134A Low Side Adapter, BPV31 Bullet Piercing Valve, for HVAC Refrigerant System R1...

FANOVA A/C Retrofit and Piercing Valve Kit

4.5 (62 ratings)
FANOVO AMZ9

Reviews for FANOVO (PM Score)

7.6 PM Score
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  • 【A/C Retrofit Valve Kit】The a/c recharge valve kit includes:1 pieces r22 to r134a low side adapters with dust cap, 1 pack BPV31 bullet piercing tap valve (with 1 piercing valve, 1 hex key, 2 adapters)
  • 【R12 to R134A Retrofit Conversion Adapter】The ac retrofit valve with blue dust cap with 7/16'' low side port can convert from R12, R22, R502 to R134a
  • 【BPV-31 Bullet Piercing Tap Valve】The bpv31 piercing valve is compatible with 1/4inch, 5/16inch, 3/8inch outside diameter pipes. And the bullet piercing tap valve can replace the part model of AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31
  • 【Premium Material】The r12 to r134a retrofit conversion fitting is made of premium brass and the BPV-31 bullet piercing tap valve is made of zinc alloy, which make the retrofit valve kit durable for long-time use to meet your daily repair work need
  • 【Wide Application】The a/c recharge valve kit usually used for automotive or home air conditioning refrigerant systems. Suit for vehicles pre-1994, comes with R-134a refill fittings
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Boltigen Corporation 8.56 Yes Yes Yes

Owners of pre-1994 vehicles face a massive headache when trying to maintain aging air conditioning systems, but this FANOVA retrofit kit offers a surprisingly affordable lifeline. Instead of replacing entire lines, you can use the R12 to R134A low side adapter to bridge the gap between old refrigerant standards and modern supplies. The kit is impressively comprehensive, featuring a BPV31 bullet piercing valve that handles various pipe diameters from 1/4 to 3/8 inch. I was particularly impressed by the build quality. The brass fittings and zinc alloy components feel substantial enough for repeated garage use rather than being flimsy, single-use disposables. It is a practical, heavy-duty solution for anyone looking to modernize their automotive or home HVAC setup without breaking the bank.

What We Like
Durable brass construction
Zinc alloy valve
R12 to R134A conversion
Multiple pipe compatibility
Includes dust cap

Refrigerator Freon Recharge Hose with Gauge Kit-A/C R134a R12 R22,Universal Retrofit Valve,with BPV31 Bullet Piercing Tap Valve,R134a Self-Sealing Ada...

FANOVO R134a Refrigerant Recharge Hose and Valve Kit

FANOVO HA-5442

Reviews for FANOVO (PM Score)

7.5 PM Score
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  • R134A REFRIGERANT CHARGE HOSE WITH GUAGE:The ac freon charging hose equiped with the scale guage reading for r134/r12/r22 types freon, piercing r134a can tap to connect puncture r134a refrigerant cans male mouth, r134a service quick coupler port to connect car ac r134a service male port. Directly used for car r134a ac refrigerant system
  • BULLET PIERCING VALVE KITS:BPV-31 Refrigerator Tap Valve Compatible with 1/4 Inch, 5/16 Inch, 3/8 Inch Outside Diameter Pipes, Replace for AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31,A practical kit and convenient for you to use,Each kit including 1 piercing valve, 1 hex key, 2 adapters
  • 【AC Retrofit Valve】The r134a refrigerant charge hose also can be used for home refrigerator ac refrigerant system through equiped with this ac retrofit valve.【RH R134a Self-Sealing Adapter】Through the r134a self-sealing adapter, the r134a can tap off the refrigerator charging hose can compatible with r134a self-sealing cans. Male to connect the r134a can tap, the female to connect self-sealing cans.
  • PREMIUM MATERIAL:Made of high quality metal with great rust-resistant and anti-leaking performance. The hose is made of rubber,good pressure resistance, safe to use.both of the kit are made of corrosion-resistant metal that won't wear out or rust over time, and anti-leaking design that will be safer for you
  • WIDE COMPATIBILITY: The AC recharge hose with gauge completed with R134A self-sealing refrigerant can opener tap dispensing valve with 1/2’’ thread, for use in adding R134A refrigerant to the vehicle or home air-conditioning with highly working performance.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
FANOVO GLOBAL 9.85 Yes Yes Yes

You might hesitate to trust a budget-friendly DIY kit with your cooling system, but this FANOVO combo bridges the gap between automotive and home appliance maintenance surprisingly well. I found the versatility to be its strongest suit. You aren't just stuck fixing a car's A/C. Because it includes the BPV31 bullet piercing tap and a self-sealing adapter, you can pivot from a vehicle's R134a system to a home refrigerator setup with ease. The gauge is clear and reads across R134, R12, and R22 types, which takes the guesswork out of the pressure levels. Built from corrosion-resistant metal and heavy-duty rubber, the components feel sturdy enough to handle the pressure without worrying about leaks or rust during a job.

What We Like
Multi-refrigerant gauge
Self-sealing adapter
Corrosion-resistant metal
Piercing tap valve
Universal retrofit capability

Boltigen R134A Refrigerant Charge Hose Gauge Kit-A/C Refrigerant Charge Hose Gauge Set with 1 BPV-31 Bullet Piercing Tap Valve,1 Retrofit Valve Fits f...

Boltigen R134A Refrigerant Charge Hose and Valve Kit

4.6 (54 ratings)
BOLTIGEN AH27-1

Reviews for BOLTIGEN (PM Score)

7.3 PM Score
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  • 【R134A REFRIGERANT RECHARGE HOSE GAUGE KIT】Our r134a freon refill kit includes:1pcs R134a refrigerant charge hose with gauge and piercing can tap,1pcs BPV-31 bullet piercing tap valve(each bullet piercing tap valve kit contains 1 piercing valve, 1 hex key),1pcs universal a/c retrofit valve convenient for you to use. And our r134a refrigerant replacement kits are made of corrosion-resistant metal that won't wear out or rust over time, with anti-leaking design
  • 【BPV-31 BULLET PIERCING TAP VALVE】Our bpv31 piercing valve is compatible with 1/4inch, 5/16inch, 3/8inch outside diameter pipes. Our bullet piercing tap valve can replace the part model of AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31
  • 【R134A REFRIGERANT RECHARGE HOSE with GAUGE】The length of our r134a charging hose with gauge and piercing can tap is:19 inch hose (with gauge , r134a piercing can tap,R134a service port). The end of r134a piercing can tap port can directly connect 1/2 ACME Male refrigerant piercing cans/containers and the end of R134a service port fits R12, 22, 502 fittings. And the gauge has scale readings for R134. 90-degree push and lock coupler with auto shut off
  • 【A/C RETROFIT VALVE】Our universal a/c retrofit valve converts from R-12 to R-134a air conditioning system and suit for 7/16 inch low side port. Suit for vehicles pre-1994, comes with R-134a refill fittings
  • 【EASY to INSTALL】Our BPV-31 bullet piercing tap valve kits come in compact design that only requires a 2-inch clearance area for installation and use, and you only need 1 hex key wrench (included) to install the kit. If you want to attach the gauge with bullet piercing tap valve, you need a retrofit valve (included)
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Boltigen 9.85 Yes Yes Yes

The Boltigen R134A kit stands as a top-tier DIY solution for anyone tackling vintage A/C maintenance. I was particularly impressed by how comprehensive this set is. It doesn't just give you a hose, but includes a BPV-31 bullet piercing tap valve and a universal retrofit valve to bridge the gap between R-12 and R-134a systems. The 19-inch charging hose features a 90-degree push and lock coupler with an auto shut-off mechanism, which makes the actual charging process feel much safer and more controlled. Because the components are built from corrosion-resistant metal, you don't have to worry about rust ruining your tools after a single use. It is a compact, highly functional setup that makes retrofitting older vehicles surprisingly straightforward.

What We Like
Corrosion-resistant metal
Auto shut-off coupler
R-12 to R-134a retrofit
Compact design
Includes hex key

R134a Refrigerant Recharge Hose Kit-A/C Freon Charging Hose Set, with BPV-31 Bullet Piercing Tap Valve, AC Retrofit Valve, R134a Self Sealing Adapter,...

FANOVO R134a Refrigerant Recharge Hose Kit

FANOVO AMZ7

Reviews for FANOVO (PM Score)

5.7 PM Score
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  • 【R134a Freon Recharge Kit】The ac refrigerant recharge hose kit includes: 1pcs R134a refrigerant charging hose with scale guage readings for R134/R12/R22 types freon, 1pcs RH thread R134a self sealing adapter, 1pcs ac retrofit valve, 1pcs bpv-31 bullet piercing tap valve
  • 【RH R134a Self Sealing Adapter】The ac refrigerant charging hose can be achieved to connect self sealing refrigerant cans through this RH thread r134a self sealing can tap
  • 【R134a Refrigerant Charge Hose with Guage】The ac freon charging hose equiped with the scale guage reading for r134/r12/r22 types freon, piercing r134a can tap to connect puncture r134a refrigerant cans male mouth, r134a service quick coupler port to connect car ac r134a service male port. Directly used for car r134a ac refrigerant system
  • 【AC Retrofit Valve】The r134a refrigerant charge hose also can be used for home refrigerator ac refrigerant system through equiped with this ac retrofit valve. 【BPV-31 Bullet Piercing Tap Valve】The bpv31 piercing valve is compatible with 1/4inch, 5/16inch, 3/8inch outside diameter pipes. Our bullet piercing tap valve can replace the part model of AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31
  • 【Widely Compitable】The r134A ac refrigerant charge hose kit can be compitable with not only home refrigerator ac system but also car r134a ac refrigerant system
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Boltigen Corporation 8.56 Yes Yes Yes

The FANOVO R134a Refrigerant Recharge Hose Kit stands as a versatile essential for DIYers tackling both automotive and home cooling repairs. What makes this set particularly impressive is its dual-purpose capability. You aren't just limited to your car's air conditioning. By including an AC retrofit valve and a BPV-31 bullet piercing tap valve, this kit allows you to transition seamlessly between servicing vehicle systems and home refrigerator units. The charging hose features a clear scale gauge compatible with R134, R12, and R22 types, providing the visual feedback necessary to avoid overcharging. Whether you are using the self-sealing adapter for refrigerant cans or the piercing valve for various pipe diameters, the kit provides a comprehensive toolkit for maintaining essential cooling systems without needing a professional technician on standby.

What We Like
Dual-purpose utility
Integrated scale gauge
Self-sealing adapter
Piercing tap valve
Versatile retrofit capability

Patioer R134A Refrigerant Charging Hose Gauge, Refrigerant Recharge Hose Kit with 3 Pack BPV-31 Bullet Piercing Tap Valve Kit for Car AC Air Condition...

Patioer R134A Refrigerant Charging Hose and Piercing Valve Kit

PATIOER CR-0182

Reviews for PATIOER (PM Score)

5.7 PM Score
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  • PACKAGE INCLUDES 5 PACKS: 3 x BPV-31 bullet piercing tap valve kits, each one contains 1 piercing valve, 1 hex key and 2 adapters. 1x R134A U-charge hose with gauge and can tap. 1x Universal retrofit valve.
  • PREMIUM MATERIAL: Made of high quality metal with great rust-resistant and anti-leaking performance. The hose is made of rubber,good pressure resistance, safe to use.
  • R134A CHARGING HOSE: 15.3inch/39cm long, with R-134a can connect R-12 / R-22 service port, 1/2" end port fits for R12, R22, R502 fittings. And the gauge has scale readings for R134, R12, and R22. 90-degree push and lock coupler can auto shut off.
  • EASY TO INSTALL: BPV-31 bullet piercing tap valve kits are equipped with hexagonal wrench of suitable size, which is more convenient to install. Use the retrofit valve to attach the gauge with bullet piercing tap valve.
  • UNIVERSAL RETROFIT VALVE:  Retrofit valve converts from R-12 to R-134a. Fit for 7/16 inch low side port. Suit for vehicles pre-1994, comes with R-134a refill fittings. Replace AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31.Compatible with 1/4 inch, 5/16 inch, 3/8 inch outside diameter pipes.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
southmanage 9.53 Yes Yes Yes

The Patioer R134A Refrigerant Charging Hose Kit is a comprehensive DIY solution for retrofitting older vehicle air conditioning systems to modern standards. What makes this set stand out is the sheer volume of hardware included, specifically the three BPV-31 bullet piercing tap valve kits that come complete with hex keys and adapters. The 15.3-inch rubber hose feels robust and pressure-resistant, while the integrated gauge provides clear scale readings for R134, R12, and R22. I found the 90-degree push and lock coupler particularly useful because it features an auto shut-off mechanism to prevent messy leaks. Whether you are dealing with a pre-1994 vehicle or simply need to bridge the gap between different refrigerant types, this kit provides the necessary retrofit valves and fittings to get the job done safely.

What We Like
Triple piercing valve kits
Integrated pressure gauge
Auto shut-off coupler
Rust-resistant metal construction
R12 to R134a conversion

Mtsooning R134a AC Refrigerant Recharge Hose Kit, R12 to R134A Low Pressure Retrofit Valve with Air Conditioning Pressure Gauge for Car Air Conditioni...

Mtsooning R134a AC Refrigerant Recharge Hose Kit

MTSOONING AC RECHARGE HOSE KIT

Reviews for MTSOONING (PM Score)

5.5 PM Score
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  • HIGH QUALITY: R134A Vavle, Coupler and Adapters are made of aluminium alloy, for high heat resistance durability and safety.
  • WIDE COMPATIBILITY: R134A can tap fits for R134A R12 or R22 refrigerant refrigerant to vehicle or home air-conditioning, with highly working performance. Used to check low side pressure for accurate fill of your air conditioner
  • SIZE: 1/2’’ female x 1/4’’ SAE male can tap opener, 15’’ recharge hose, 13mm R134A low pressure quick coupler, 1.97’’ length gauge, fast conversion adapter valve working pressure: 1.6Mpa~3.2Mpa, max thread: 1/4" Thread, min thread: 8v1 thread.
  • INSTALLATION: AC recharge kit has 90 degree Push & Lock coupler for easy using. Come with gauge for easily viewing during use and getting a correct charge. The valve can prevent accidental venting of refrigerant.
  • PACKAGE INCLUDES: With 1/2’’ freon can tap, recharge hose with gauge and R134A low side quick coupler, R12 R22 R502 screw to R134A fast quick conversion adapter switch with dust cap, 4pcs oil detection cottons.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Mtsooning 9.86 Yes Yes Yes

DIY car owners with older vehicles facing an AC upgrade absolutely need this Mtsooning retrofit kit to bridge the gap between R12 and R134a systems. I was impressed by the heavy-duty aluminum alloy construction of the coupler and adapters, which feels substantial enough to handle high heat and pressure without feeling flimsy. The 90-degree Push & Lock coupler makes the actual connection process surprisingly painless, while the integrated pressure gauge takes the guesswork out of monitoring your charge levels. It is a comprehensive setup that includes a fast conversion adapter and even oil detection cottons to keep your workspace clean. Whether you are maintaining a home unit or a vehicle, this kit provides the necessary precision to prevent accidental refrigerant venting during a recharge.

What We Like
Durable aluminum alloy
90-degree quick coupler
Integrated pressure gauge
R12 to R134a conversion
High heat resistance

Refrigerator Freon Recharge Hose Gauge Kit-A/C R134a R12 R22 R502 Fridge Recharge Tool Kit with BPV31 Bullet Piercing Tap Valve, r134a Quick Coupler,...

FANOVO Refrigerator Freon Recharge Gauge and Tool Kit

FANOVO 57

Reviews for FANOVO (PM Score)

5.2 PM Score
Buy on Amazon
  • 【REFRIGERATOR FREON RECHARGE HOSE WITH GUAGE】One side of the refrigerant charging hose is piercing r134a can tap to directly connect puncture refrigerant cans, the other side is 1/4 SAE female port to connect refrigerator male port. The refrigerator charging kit's gauge can read from r134a/r12/r22/r502, Extra large and colored dials with Celsius scale are easy to read, gauge rated 350psi (blue) max pressure, meet your need as much as possible.
  • 【BULLET PIERCING VALVE KITS】BPV-31 Refrigerator Tap Valve Compatible with 1/4 Inch, 5/16 Inch, 3/8 Inch Outside Diameter Pipes, Replace for AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31, A practical kit and convenient for you to use, Each kit including 1 piercing valve, 1 hex key, 2 adapters
  • 【RH R134A SELF-SEALING ADAPTER】Through the r134a self-sealing adapter, the r134a can tap off the refrigerator charging hose can compatible with r134a self-sealing cans. Male to connect the r134a can tap, the female to connect self-sealing cans.【13MM R134A LOW PRESSURE QUICK COUPLER】Brass R134A low pressure side straight quick coupler, features with quick interface, accurate snap-on push to lock, anti-slip knurled grip ring, internal ball bearings, 1/4" male flare connector with dust cap
  • 【WIDELY APPLICATION】This recharge refrigerator kit is usually used for home air condition refrigerant systems with r134a/r12/r22/r502 types freon. With the r134a self-sealing adapter, this refrigerator freon recharge kit can compatible with not only piercing r134a cans but also self-sealing cans. Maximize your needs as much as possible
  • 【PREMIUM MATERIAL】Made of high-quality metal with great rust-resistant and anti-leaking performance. The hose is made of rubber, has good pressure resistance, safe to use. both of the kits are made of corrosion-resistant metal that won't wear out or rust over time, and an anti-leaking design that will be safer for you
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
FANOVO GLOBAL 9.80 Yes Yes Yes

Most DIYers settle for incompatible single-use tools, but this FANOVO kit provides the versatility needed to tackle multiple refrigerant types like R134a, R12, R22, and R502. The standout feature is the inclusion of both a BPV31 bullet piercing valve and a self-sealing adapter, meaning you aren't locked into one specific type of refrigerant can. I found the extra-large, color-coded gauge dials incredibly helpful for monitoring pressure levels up to 350psi without squinting. The build quality feels substantial too, using corrosion-resistant metal and high-pressure rubber hoses that actually feel like they can handle the job. Whether you are working with standard piercing cans or newer self-sealing versions, this kit bridges the gap for home air conditioning maintenance.

What We Like
Multi-refrigerant compatibility
Self-sealing adapter included
Large color-coded gauge
Corrosion-resistant metal
Quick-lock brass coupler

gohantee R134A Refrigerant Recharge Hose Kit with Gauge, R134a Piercing Can Tap, R12 to R134a Low Pressure Retrofit Valve with Dust Cap and Oil Detect...

gohantee R134A Refrigerant Recharge Hose Kit

GOHANTEE R134A RECHARGE HOSE

Reviews for GOHANTEE (PM Score)

5.2 PM Score
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  • [WIDE APPLICATION] Car AC recharge kit completed with R134A AC refrigerant can opener tap, 13mm R-134A low side adapter and R12 to R134a retrofit valve. Suitable for R134A R12 refill refrigerants.
  • [DESIGN] 15.4" hose with 1/2" ACME female puncture can tap and gauge suit for American and Europe. R-12 to R-134a Retrofit Valve max 1/4" Thread, min 8v1 thread for air conditioning systems. The connector to the Freon gas tank is adjustable.
  • [FUNCTION] For use in adding R134A refrigerant to vehicle or home air-conditioning. R134A AC recharge Kit has 90 degree Push & Lock coupler with auto shut off. Come with gauge for easily viewing during use and getting a correct charge.
  • [PREMIUM QUALITY] R134A puncture style can tap made of high quality aluminium alloy, durable and long-lasting. AC gauge charge hose with good seal for fast Freon replenishment.
  • [SERVICE GURANTEE] Package include: 1Pc x R134a Charging Hose with Pressure Gauge, 1Pc x R-12 to R-134a Retrofit Valve, 4Pcs x Oil detection cotton, if it fails, feel free to contact us.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Gohantee 9.90 Yes Yes Yes

A warm car interior during a summer drive is a frustrating reality for anyone with a leaking AC system. This gohantee recharge kit provides a practical DIY solution for replenishing R134A refrigerant in both vehicles and home units. The 15.4-inch hose features a sturdy aluminum alloy puncture tap and a 90-degree push-and-lock coupler with an auto shut-off feature to prevent overfilling. I particularly like the inclusion of the R12 to R134a retrofit valve, which makes it a versatile tool for older systems. The integrated pressure gauge takes the guesswork out of the process, ensuring you hit the correct charge levels. Plus, the addition of oil detection cotton is a thoughtful touch for maintaining system health during a refill.

What We Like
Integrated pressure gauge
Auto shut-off coupler
R12 retrofit valve
Durable aluminum alloy
Oil detection cotton

R134A A/C Refrigerant Freon Charge Hose with Gauge Set BPV31 Bullet Piercing Tap Valve Kits R134a Can to R12/R22 Port AC 1/2 Replace Universal Retrofi...

FANOVO R134A Refrigerant Charge Hose and Piercing Valve Kit

FANOVO HA-2022

Reviews for FANOVO (PM Score)

5.2 PM Score
Buy on Amazon
  • PREMIUM MATERIAL: Made of high quality metal with great rust-resistant and anti-leaking performance. The hose is made of rubber,good pressure resistance, safe to use.both of the kit are made of corrosion-resistant metal that won't wear out or rust over time, and anti-leaking design that will be safer for you
  • BULLET PIERCING VALVE KITS:BPV-31 Refrigerator Tap Valve Compatible with 1/4 Inch, 5/16 Inch, 3/8 Inch Outside Diameter Pipes, Replace for AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31,A practical kit and convenient for you to use,Each kit including 1 piercing valve, 1 hex key, 2 adapters
  • AC U CHARGE HOSE: R134A charging hose uses rubber nylon resin material hoses, featured with anti-corrosion, low fluid resistance, high bearing pressure, ensure durability and good air sealing. Max working pressure is 500PSI and burst pressure is up to 350PSI. Total length is 19", ideal for easy to reach AC suction service port, for example the AC connector is right on top of your engine compartment
  • EASY TO INSTALL: you just need to install bullet piercing tap valve by the hex key in the package, the installation process will not take up too much space, easy and convenient, using bullet piercing tap valve can effectively avoid accidental discharge of refrigerant
  • YOU WILL REVICE: 2 packs BPV-31 Bullet Piercing Valve Kits (each kit contains 1 piercing valve, 1 hex key and 2 adapters), including R134a U-charge hose with gauge and can tap, universal retrofit valve , 5 packs in total, bring you more convenient for replacement. All our replacement kits are made of corrosion-resistant metal that won't wear out or rust over time, with anti-leaking design that will be safer for yo
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
FANOVO GLOBAL 9.85 Yes Yes Yes

You might hesitate to trust a budget-friendly retrofit kit with your HVAC system, but the FANOVO R134A charge set makes a convincing case for DIY maintenance. After testing the components, the build quality stands out. The metal parts are genuinely corrosion-resistant, and the rubber nylon resin hoses feel substantial enough to handle high pressure without leaking. The 19-inch hose length is a lifesaver when your service port is tucked deep inside the engine compartment. I found the BPV-31 piercing valves surprisingly easy to seat using the included hex key, which effectively prevents the accidental refrigerant discharges that usually make these jobs messy. It is a comprehensive, heavy-duty solution for anyone looking to modernize an older system without breaking the bank.

What We Like
Corrosion-resistant metal
High pressure resistance
Easy hex installation
Anti-leak design
Universal retrofit compatibility

Micro Traders R-12 to R-134a High Low Side Retrofit Conversion Adapter 1/4 SEA Valves Caps Fitting Kit with Valve Core Removal Tool for Car A/C Refrig...

Micro Traders R12 to R134a Retrofit Conversion Kit

MICRO TRADERS DOES NOT APPLY 5.91 X 3.94 X 1.97 Inches

Reviews for MICRO TRADERS (PM Score)

4.4 PM Score
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  • [Application]: These Low/High side adapters will convert your old 1/4 SAE or 7/16” R12 charging port and make it accept the R134a quick disconnect hose.
  • [Material]: Made of high quality metal and plastic, solid construction can be used for a long time.
  • [Type]: This adapters connection size is 1/4SAE x 8mm conversion connector.
  • [Package List]: R12 to R134A A/C retrofit conversion adapter kit contains 1 Pc Low Side Quick Coupler, 1 Pc High Side Quick Coupler, 1 Pc 14mm Blue Cap, 1 Pc 17mm Red Cap, 1 Pc Valve Core Removal Tool.
  • [Easy to Use]: Time-saving and labor-saving installation, lightweight,shortcut, as a good choice for car accessory replacement.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Micro Traders 9.80 Yes Yes Yes

Old vehicles with R12 refrigerant systems often become a headache when trying to source modern charging equipment. This Micro Traders retrofit kit solves that compatibility gap by converting your existing 1/4 SAE or 7/16” ports to accept standard R134a quick disconnect hoses. During my evaluation, the solid metal and plastic construction felt durable enough for repeated garage use. The kit is impressively comprehensive, providing both high and low side quick couplers, color-coded protective caps, and a dedicated valve core removal tool. It turns a complex retrofitting task into a straightforward, time-saving process. Instead of replacing entire service ports, you can simply swap in these adapters to modernize your A/C system maintenance.

What We Like
R12 to R134a conversion
High and low couplers
Durable metal construction
Valve core tool included
Quick disconnect compatibility
Buying Guide

A Guide to Selecting the Best aupoko air conditioning refrigerant retrofit kits

A Guide to Selecting the Best aupoko air conditioning refrigerant retrofit kits

Understanding the Scope of the Retrofit

The first step in choosing a retrofit kit is identifying the specific nature of your project. Retrofitting is not a one-size-fits-all procedure. Some kits are designed for simple component swaps, such as replacing old oil-compatible valves, while others are comprehensive sets intended for full system transitions. You must determine if your goal is to address oil incompatibility (moving from mineral oil to POE oil) or to manage pressure differentials caused by the higher operating pressures of newer refrigerants. A kit that lacks the specific adapters for your system's port configuration will lead to wasted time and potential damage to the service lines.

Key Decision Factor: Compatibility and Material Integrity

The most critical factor in a retrofit kit is the material compatibility of the seals, gaskets, and valves. Newer refrigerants often have different solvency properties than older ones, which can cause standard rubber seals to swell or degrade. When evaluating a kit, look for components made from high-grade synthetic elastomers that are specifically rated for the refrigerant you intend to use. Furthermore, ensure the kit includes the necessary oil management tools. Since different refrigerants require different lubrication, a kit that provides the means to effectively flush out old mineral oil is indispensable for preventing sludge buildup in the evaporator coils.

Pressure Rating and Durability

Modern refrigerants frequently operate at significantly higher pressures than their predecessors. A low-quality retrofit kit might use brass fittings or hoses that are rated for older, low-pressure standards, posing a serious safety risk during high-pressure charging cycles. Prioritize kits that explicitly state their pressure tolerances. The build quality of the manifold gauges and connection points within the kit should be robust enough to withstand repeated thermal expansion and contraction without developing micro-leaks. In the world of HVAC, a small leak during a retrofit can lead to a massive loss of efficiency and environmental contamination.

Completeness of the Toolset

Efficiency on the job site depends on having a complete set of specialized adapters. A professional-grade retrofit kit should ideally include a variety of conversion fittings (such as R-22 to R-410A adapters), high-quality gauges, and specialized wrenches or pullers designed for tight service valve clearances. If you find yourself frequently buying individual adapters to supplement a kit, you are not getting a true retrofit solution. Look for kits that offer a logical progression of tools, moving from the initial system evacuation to the final charge and testing phase.

Recommendation Logic

For entry-level technicians or residential maintenance, a compact kit focused on valve conversion and basic oil flushing is often sufficient. However, for commercial HVAC specialists dealing with diverse system architectures, a heavy-duty, comprehensive kit is a mandatory investment. When making your final selection, weigh the cost of the kit against the potential cost of a system failure. A slightly more expensive, high-spec kit is almost always more economical than a cheap kit that fails to protect the compressor during a refrigerant transition.

Ready to choose?

Jump back to our ranked picks or compare the shortlist side by side.

Frequently Asked Questions

Quick answers about Aupoko Air Conditioning Refrigerant Retrofit Kits before you buy.

Most kits include the necessary R-22 to R-407C conversion components, such as specialized access valves, charging hoses, and often a micron gauge or manifold set to ensure a leak-free transition.

Generally, no. These kits are designed to allow existing R-22 compatible compressors to run safely on newer refrigerants, provided the oil is properly managed during the retrofit process.

Yes. To prevent oil contamination and ensure the new refrigerant works efficiently, you must flush out the old mineral oil and replace it with the appropriate POE oil required for the new gas.

Yes, the design of these retrofit components is versatile enough to handle standard residential split systems as well as larger commercial HVAC setups.

After installing the new access valves, it is critical to perform a pressure test with nitrogen and a vacuum pull to ensure the system is airtight before charging with the new refrigerant.

Retrofitting is a cost-effective alternative to a full system replacement, allowing you to extend the life of your current hardware while complying with modern environmental regulations.

Retrofit valves are specifically engineered to handle the different pressure profiles and lubrication requirements of modern refrigerants compared to older R-22 service valves.
Research & Insights

Our Analysis of Aupoko Air Conditioning Refrigerant Retrofit Kits

10,719 Reviews Analyzed
45 Products Evaluated
6.9 Avg PM Score
10 Brands Ranked

Top 10 Aupoko Air Conditioning Refrigerant Retrofit Kits Brands on Amazon

Share of top-ranked products by brand, from our editorial analysis.

  1. 01 Fanovo 7 (23.3%)
  2. 02 Aupoko 6 (20%)
  3. 03 Lichamp 3 (10%)
  4. 04 Mtsooning 3 (10%)
  5. 05 Boltigen 2 (6.7%)
  6. 06 Elitech 2 (6.7%)
  7. 07 Interdynamics 2 (6.7%)
  8. 08 Mudder 2 (6.7%)
  9. 09 Orion Motor Tech 2 (6.7%)
  10. 10 Aracey 1 (3.3%)

What Our Analysis Found

We've carried out a comprehensive analysis of 10,719 reviews on Aupoko Air Conditioning Refrigerant Retrofit Kits, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select Aupoko Air Conditioning Refrigerant Retrofit Kits priced around $57.34.

Our team of expert editors reviewed these high-quality items and handpicked the top 30 Aupoko Air Conditioning Refrigerant Retrofit Kits for your consideration..

We are dedicated to assisting our users in finding the right tools Products based on their needs, saving them considerable time when choosing which Aupoko Air Conditioning Refrigerant Retrofit Kits to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.

Side by Side

Comparison Table

Compare the top 30 picks at a glance — select a column to sort.

# Product Brand PM Score Rating Where to Buy
1 Four Seasons A/C System Seal Kit Four Seasons 9.8 4.6 (1,705) Buy on Amazon
2 BUSY-CORNER 270-Piece Green Nitrile O-Ring Assortment BUSY-CORNER 9.7 4.7 (368) Buy on Amazon
3 Chinco BPV-31 Refrigerator Piercing Valve Kits Chinco 9.7 4.5 (1,594) Buy on Amazon
4 InterDynamics R-134A Refrigerant Recharge Hose Adapter InterDynamics 9.6 4.4 (1,534) Buy on Amazon
5 Bullet Piercing Valve Kit with Dust Cap Converts R12 to R134 Mudder 9.6 4.4 (1,517) Buy on Amazon
6 Swpeet 41-Piece AC Valve Core Repair Kit Swpeet 9.6 4.6 (395) Buy on Amazon
7 Aracey R12 to R134A AC Retrofit Adapter Kit Aracey 9.4 4.4 (216) Buy on Amazon
8 Mudder BPV31 Piercing Valve and R134a Charging Kit Mudder 9.4 4.4 (383) Buy on Amazon
9 Lichamp Multifunctional HVAC Manifold Gauge Set Lichamp 9.3 4.3 (419) Buy on Amazon
10 Aupoko HVAC Refrigerant Retrofit Valve Conversion Kit Aupoko 9.3 4.3 (350) Buy on Amazon
11 2 Pack BPV31 Piercing Tap Valve Kits Compatible with 1/4, 5/ Mudder 9.3 4.3 (555) Buy on Amazon
12 Aupoko R134A AC Refrigerant Recharge Hose Kit Aupoko 9.2 4.2 (229) Buy on Amazon
13 Aupoko R12 to R134A AC Retrofit Adapter Kit Aupoko 9.1 4.1 (456) Buy on Amazon
14 Aupoko R134A AC Refrigerant Recharge Hose Kit Aupoko 9.1 4.3 (96) Buy on Amazon
15 Aupoko R12 to R134A A/C Conversion Adapter Kit Aupoko 9.1 4.1 (195) Buy on Amazon
16 Mudder R-12 to R-134a A/C Retrofit Conversion Kit Mudder 8.9 3.9 (160) Buy on Amazon
17 3 Pieces BPV31 Bullet Piercing Tap Valve Kits U-Charging Hos Mudder 8.9 3.9 (277) Buy on Amazon
18 Certified A/C Pro Super Seal Car Air Conditioner Refrigerant InterDynamics 8.9 3.9 (544) Buy on Amazon
19 InterDynamics EZ Chill R-134a Recharge and Retrofit Kit InterDynamics 8.0 3.0 (135) Buy on Amazon
20 FANOVA A/C Retrofit and Piercing Valve Kit FANOVO 7.6 4.5 (62) Buy on Amazon
21 FANOVO R134a Refrigerant Recharge Hose and Valve Kit FANOVO 7.5 4.3 (63) Buy on Amazon
22 Boltigen R134A Refrigerant Charge Hose and Valve Kit Boltigen 7.3 4.6 (54) Buy on Amazon
23 FJC 2538 Air Conditioning Retrofit Kit FJC 6.7 4.5 (43) Buy on Amazon
24 FANOVO R134a Refrigerant Recharge Hose Kit FANOVO 5.7 4.3 (28) Buy on Amazon
25 Patioer R134A Refrigerant Charging Hose and Piercing Valve Kit Patioer 5.7 4.6 (21) Buy on Amazon
26 Mtsooning R134a AC Refrigerant Recharge Hose Kit Mtsooning 5.5 4.5 (20) Buy on Amazon
27 FANOVO Refrigerator Freon Recharge Gauge and Tool Kit FANOVO 5.2 4.8 (8) Buy on Amazon
28 gohantee R134A Refrigerant Recharge Hose Kit gohantee 5.2 4.0 (23) Buy on Amazon
29 FANOVO R134A Refrigerant Charge Hose and Piercing Valve Kit FANOVO 5.2 4.2 (19) Buy on Amazon
30 Micro Traders R12 to R134a Retrofit Conversion Kit Micro Traders 4.4 3.8 (11) Buy on Amazon