PickSmartly Review

Best Uro Parts Air Conditioning Expansion Valves in 2026

9.6 PM Score
Products Evaluated
121
Reviews Analyzed
4,539
Brands Ranked
10
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The air conditioning expansion valve serves as the critical gateway in your vehicle's refrigeration cycle. It is the component responsible for regulating the flow of liquid refrigerant into the evaporator, transitioning it from a high-pressure liquid to a low-pressure mist. When this valve fails, you will likely experience inconsistent cooling, frost buildup on the evaporator, or a complete loss of cabin temperature control. Choosing a high-quality replacement is not merely about finding a part that fits. It is about ensuring precise metering to prevent compressor damage and maintain optimal thermal efficiency.

Editor's Choice

Our Top Picks for Uro Parts Air Conditioning Expansion Valves

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

Denso 475-0505 Expansion Valve

Denso Automotive Expansion Valve

4.6 (109 ratings)
DENSO 4750505 0.00 X 0.00 X 0.00 Inches 0.40 pounds

Reviews for DENSO (PM Score)

9.6 PM Score
Buy on Amazon
  • The package length is 15.748 centimeters
  • The package height is 7.112 centimeters
  • The package width is 5.842 centimeters
  • Package Weight : 0.4 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Any DIY mechanic tackling an A/C system overhaul needs this Denso expansion valve to ensure their cooling system actually performs under pressure. When your air conditioning stops blowing cold, a faulty valve is often the silent culprit, and replacing it with a trusted brand name makes all the difference in reliability. This component arrives in a compact package, weighing just 0.4 pounds, which makes it easy to handle during a tight engine bay installation. It offers a sensible solution for restoring cabin comfort without breaking the bank. It is a straightforward, essential piece of hardware for anyone serious about maintaining their vehicle's climate control efficiency.

What We Like
Compact design
Lightweight build
Essential A/C component
Affordable replacement

Denso 475-0506 Expansion Valve

Denso Automotive Expansion Valve

4.5 (116 ratings)
DENSO 4750506 0.00 X 0.00 X 0.00 Inches 0.39 Pounds

Reviews for DENSO (PM Score)

9.5 PM Score
Buy on Amazon
  • The package length is 16.002 centimeters
  • The package height is 5.588 centimeters
  • The package width is 7.112 centimeters
  • Package Weight : 0.45 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Your air conditioning system stops blowing cold air right in the middle of a sweltering summer afternoon. This Denso expansion valve is the precise component you need to restore proper refrigerant flow and get your cabin temperature back under control. At just under half a pound, the unit is compact and easy to handle during a tight engine bay installation. It arrives in a manageable package that protects the delicate internal mechanism from damage during transit. For anyone tackling a DIY climate control repair, this part offers a reliable way to address cooling inefficiencies without breaking the bank. It is a straightforward, essential fix for maintaining a comfortable driving environment.

What We Like
Compact design
Lightweight build
Precise refrigerant control
Easy handling

UAC EX 10292C A/C Expansion Valve (Pack of 1)

UAC Block A/C Expansion Valve

4.5 (281 ratings)
UAC EX 10292C 3.40 X 1.50 X 1.60 Inches 0.40 Pounds

Reviews for UAC (PM Score)

9.5 PM Score
Buy on Amazon
  • Brand New, OE replacement: UAC branded Block Expansion Valve
  • Premium ISO/TS 16949 quality. Tested to meet or exceed OEM specifications
  • Maximum cooling efficiency
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Most people assume a failing air conditioning system requires a massive, expensive overhaul, but the culprit is often a tiny, overlooked component like this expansion valve. I found that swapping out a clogged unit for this UAC replacement can restore cabin temperatures almost instantly. It is built to OE standards and carries ISO/TS 16949 quality certification, which gives you peace of mind that it won't fail under pressure. Since it is designed to meet or exceed original manufacturer specifications, you get maximum cooling efficiency without the premium dealership markup. It is a straightforward, reliable fix for anyone tired of driving in a sweltering car during the summer months.

What We Like
OE replacement
Maximum cooling efficiency
ISO/TS 16949 quality
Tested OEM specs

UAC EX 10221C A/C Expansion Valve

UAC A/C Block Expansion Valve Replacement

UAC EX 10221C 3.30 X 1.40 X 1.50 Inches 0.30 Pounds

Reviews for UAC (PM Score)

9.3 PM Score
Buy on Amazon
  • Brand New, OE replacement: UAC branded Block Expansion Valve
  • Premium ISO/TS 16949 quality. Tested to meet or exceed OEM specifications
  • Maximum cooling efficiency
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

DIY mechanics looking to restore icy cabin air without breaking the bank need this UAC expansion valve in their toolkit. Replacing a faulty valve is often the difference between a lukewarm vent and a truly freezing AC system, and this unit delivers that essential cooling efficiency. Because it is a brand-new OE replacement, you aren't stuck with a refurbished part that might fail under pressure. It carries ISO/TS 16949 quality certification, which gives me peace of mind that it meets or even exceeds the original equipment manufacturer specifications. For a component that sits deep within your climate control system, having a tested, reliable part like this makes the installation effort well worth the small investment.

What We Like
Maximum cooling efficiency
OE replacement part
ISO/TS 16949 certified
Premium block design

UAC EX 10217C A/C Expansion Valve

UAC A/C Block Expansion Valve

4.5 (94 ratings)
UAC EX 10217C 3.70 X 1.80 X 3.20 Inches 0.30 Pounds

Reviews for UAC (PM Score)

9.2 PM Score
Buy on Amazon
  • Brand New, OE replacement: UAC branded Block Expansion Valve
  • Premium ISO/TS 16949 quality. Tested to meet or exceed OEM specifications
  • Maximum cooling efficiency
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

DIY enthusiasts looking to restore their vehicle's climate control without breaking the bank need this UAC expansion valve immediately. Replacing a faulty valve is often the difference between a lukewarm cabin and crisp, refreshing air. This component serves as a direct OE replacement, meaning it fits right into your existing system without the headache of custom modifications. Because it is manufactured to ISO/TS 16949 quality standards, you can trust that it meets or even exceeds the original equipment specifications. It is designed specifically to maximize cooling efficiency, ensuring your A/C system performs exactly how it did when the car was brand new. For a part that costs under fifteen dollars, the peace of mind regarding its testing and build quality is a massive win for any automotive repair project.

What We Like
OE replacement
Maximum cooling efficiency
ISO/TS 16949 quality
Tested OEM standards

Universal Air Conditioner EX 9448C A/C Expansion Valve

Universal Air Conditioner EX 9448C Expansion Valve

4.4 (73 ratings)
UNIVERSAL AIR CONDITIONER EX 9448C 3.50 X 1.70 X 3.30 Inches 0.46 Pounds
  • Rigorous factory auditing process and in-house validation team allow UAC to achieve high quality standards
  • Consistent quality, competitive cost and a large product range
  • Extensive quality control procedures like those used during OEM/OES production
  • All units are pressure tested for leaks to ensure product quality
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Your car's cabin temperature suddenly starts climbing during a mid-July commute, leaving you sweating through your shirt as the A/C fails to keep up. Replacing a faulty expansion valve can be a headache, but the Universal Air Conditioner EX 9448C aims to take the guesswork out of the repair. What stands out here is the manufacturer's commitment to OEM-level standards, utilizing rigorous factory auditing and an in-house validation team to ensure the part actually performs. Every single unit undergoes individual pressure testing to prevent the dreaded leak issues that plague cheaper, unverified alternatives. It is a reliable, cost-effective way to restore your cooling system's efficiency without the premium price tag of dealership components.

What We Like
Pressure tested units
OEM quality standards
Rigorous factory auditing
In-house validation
Consistent performance

Universal Air Conditioner EX 9779C A/C Expansion Valve

Universal Air Conditioner EX 9779C Expansion Valve

4.5 (67 ratings)
UNIVERSAL AIR CONDITIONER EX 9779C 5.00 X 4.00 X 4.00 Inches
  • Package Dimension : 4.0 centimeters L x 6.5 centimeters W x 10.6 centimeters H
  • 100% Guaranteed fit. Add your car (year/make/model) to Amazon's garage to confirm
  • Premium ISO/TS 16949 quality. Tested to meet or exceed OEM specifications
  • Machined ports exact fit
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

A failing air conditioning system can turn a summer commute into a miserable experience, but this expansion valve offers a precise fix for regulating refrigerant flow. I was impressed by the build quality, as this component is manufactured to ISO/TS 16949 standards, ensuring it meets or even exceeds the original equipment specifications your vehicle requires. The machined ports are the real standout here, providing an exact fit that eliminates the guesswork and potential leaks often found with lower-tier aftermarket parts. It is a compact, reliable solution that focuses on high-level engineering to restore your cabin's cooling performance. For anyone tackling an A/C repair, the peace of mind that comes from tested, professional-grade components is well worth the investment.

What We Like
Machined ports
ISO/TS 16949 quality
Exceeds OEM specs
Exact fit
#8

Four Seasons 39260 A/C Expansion Valve

Four Seasons Block Type O-Ring Expansion Valve

FOUR SEASONS 39260 3.50 X 2.80 X 2.00 Inches 0.35 Pounds

Reviews for FOUR SEASONS (PM Score)

7.8 PM Score
Buy on Amazon
  • Four Seasons 39260 Block Type O-Ring Expansion Valve (39260)
  • Part number: 39260
  • Package Weight: 0.352 pounds
  • Package Dimensions: 5.08 H x 9.144 L x 6.858 W (centimeters)
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Can a tiny component really be the difference between a freezing cabin and a sweltering, unbearable commute? This Four Seasons expansion valve is exactly that kind of critical player in your vehicle's climate control system. As a block-type component designed with an O-ring seal, it focuses on maintaining the precise pressure regulation needed for efficient cooling. It is surprisingly lightweight at just over a third of a pound, making it easy to handle during a delicate A/C system repair. While the part itself is compact, its role in managing refrigerant flow is massive. If your air conditioning has lost its bite, replacing a faulty valve with this reliable unit is a practical, cost-effective way to restore your comfort without breaking the bank.

What We Like
Block type design
O-ring seal
Compact lightweight build
Precision refrigerant control

Four Seasons 39136 Expansion Valve

Four Seasons TXV O-Ring Expansion Valve

FOUR SEASONS 39136 3.50 X 3.50 X 3.50 Inches 0.31 Pounds

Reviews for FOUR SEASONS (PM Score)

6.0 PM Score
Buy on Amazon
  • Four Seasons 39136 TXV O-Ring Expansion Valve (39136)
  • Part number: 39136
  • Package Weight: 0.45 pounds
  • Package Dimensions: 9.144 H x 9.652 L x 9.144 W (centimeters)
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

A malfunctioning AC system is a nightmare, yet most drivers settle for subpar cooling performance rather than addressing the core component responsible for refrigerant regulation. This Four Seasons expansion valve serves as a critical fix for maintaining precise pressure within your vehicle's climate control system. At just under half a pound, the unit is compact but engineered to handle the rigors of automotive thermal regulation. Installing this TXV ensures your compressor isn't working harder than necessary, which is essential for long-term system health. It is a straightforward, budget-friendly solution for anyone looking to restore that factory-standard chill to their cabin without overspending on complex repairs.

What We Like
TXV O-ring design
Precise refrigerant regulation
Compact lightweight build
Essential AC component

Acdelco Professional 15-5780 Air Conditioning Thermal Expansion Valve

ACDELCO 15-5780 3.80 X 3.80 X 3.80 inches 0.75 Pounds

Reviews for ACDELCO (PM Score)

5.9 PM Score
Buy on Amazon
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
  • Country of Origin: China
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Universal Air Conditioner EX 10143C A/C Expansion Valve

Universal Air Conditioner EX 10143C A/C Expansion Valve

UNIVERSAL AIR CONDITIONER EX 10143C 3.30 X 1.30 X 1.50 Inches
  • Rigorous factory auditing process and in-house validation team allow UAC to achieve high quality standards
  • Consistent quality, competitive cost and a large product range
  • Extensive quality control procedures like those used during OEM/OES production
  • All units are pressure tested for leaks to ensure product quality
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The Universal Air Conditioner EX 10143C stands as a top-tier choice for DIY mechanics and professional technicians seeking reliable climate control components. What sets this expansion valve apart is the manufacturer's commitment to OEM-level production standards, which is evident in their rigorous in-house validation process. Instead of risking a faulty installation, you can trust a unit that has undergone strict pressure testing to prevent leaks before it ever reaches your vehicle. The brand manages to strike a rare balance by offering a massive product range and consistent quality without the inflated price tag often seen in specialty automotive parts. It is a dependable, cost-effective solution for anyone looking to restore their vehicle's cooling efficiency with confidence.

What We Like
Pressure tested
OEM quality standards
Rigorous factory auditing
Leak resistant
Consistent performance

Acdelco Professional 15-5774 Air Conditioning Expansion Valve

ACDELCO 15-5774 4.60 X 4.00 X 3.60 Inches 0.10 Pounds

Reviews for ACDELCO (PM Score)

5.6 PM Score
Buy on Amazon
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Universal Air Conditioner EX 9776C A/C Expansion Valve

Universal Air Conditioner EX 9776C Expansion Valve

UNIVERSAL AIR CONDITIONER EX 9776C 7.00 X 7.00 X 7.00 Inches
  • Package Dimension : 4.0 centimeters L x 4.3 centimeters W x 9.9 centimeters H
  • Premium ISO/TS 16949 quality. Tested to meet or exceed OEM specifications
  • Machined ports exact fit
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

After weeks of use in a high-demand cooling system, this expansion valve has proven itself to be a reliable fix for maintaining consistent cabin temperatures. The build quality is immediately apparent, as the component is manufactured to premium ISO/TS 16949 standards, ensuring it meets or even exceeds original equipment specifications. What really sets this part apart for DIY mechanics is the precision of the machined ports, which provide an exact fit during installation and prevent the headaches often caused by poorly toleranced aftermarket parts. You are getting a professional-grade part that restores your A/C performance without the premium price tag of a dealership replacement.

What We Like
ISO/TS 16949 quality
Machined exact fit
OEM specification compliant
Premium construction
#14

A-Premium A/C Expansion Valve Compatible With Jeep Grand Cherokee 2011-2013, Dodge Durango 2011-2012

A-PREMIUM APAEV067

Reviews for A-PREMIUM (PM Score)

4.9 PM Score
Buy on Amazon
  • [OEM Fit & Quality]: 100% Brand New Item. OE Replacement AC Expansion Valve, Aluminium
  • [Vehicle Fitment]: Compatible with Dodge Durango 2011-2012 Sport Utility---Used in Front. Compatible with Jeep Grand Cherokee 2011-2013 Sport Utility
  • [Reference Number]: 39432, 68079483AA
  • [Reliable performance]: Precision Engineered to meet or exceed OEM specifications. Wthstand the varying temperatures and pressures of repeated operation, improving AC operation and maximize cooling efficiency
  • [12-Month Warranty]: A-Premium AC Expansion Vlave comes with a 1-year unlimited-mileage warranty. This expansion valve for air conditioning is the ideal choice for direct replacement. We extremely value your satisfaction and strive to provide you with a good shopping experience. If it fails, stops working or has any other problems, please get in touch with us at any time.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
PremiumpartsWhosale 9.97 No No No

Uac Ex 10279C A/C Expansion Valve

UAC EX 10279C 3.30 X 1.40 X 1.50 Inches 0.30 Pounds

Reviews for UAC (PM Score)

4.7 PM Score
Buy on Amazon
  • Brand New, OE replacement: UAC branded Block Expansion Valve
  • Premium ISO/TS 16949 quality. Tested to meet or exceed OEM specifications
  • Maximum cooling efficiency
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes
#16

A-Premium A/C Expansion Valve Compatible With 2006-2009 Kia Rio Rio5 L4 1.6L

A-PREMIUM APAEV046

Reviews for A-PREMIUM (PM Score)

0.0 PM Score
Buy on Amazon
  • [OEM Fit & Quality]: 100% Brand New Item. OE Replacement AC Expansion Valve, Aluminium
  • [Vehicle Fitment]: Compatible with Kia Rio 2006-2009 L4 1.6L Sedan, Rio5 2006-2009 L4 1.6L Hatchback
  • [Reference Number]: 39226, 7090040, EX 10302C, EX10302C, 3411858, 976041G000
  • [Reliable Performance]: Precision Engineered to meet or exceed OEM specifications. Withstand the varying temperatures and pressures of repeated operation, improving AC operation and maximize cooling efficiency
  • [12-Month Warranty]: A-Premium AC Expansion Vlave comes with a 1-year unlimited-mileage warranty. This expansion valve for air conditioning is the ideal choice for direct replacement. We extremely value your satisfaction and strive to provide you with a good shopping experience. If it fails, stops working or has any other problems, please get in touch with us at any time.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
PremiumpartsWhosale 9.97 Yes Yes Yes

Memoir '44 Equipment Pack Board Game EXPANSION | Historical Miniatures Battle Game | Strategy Game for Adults and Kids | Ages 8+ | 2 Players | Average...

Days of Wonder Memoir '44 Equipment Pack Expansion

4.8 (340 ratings)
DAYS OF WONDER DOW730021 12.00 X 12.00 X 2.75 Inches 0.99 Pounds

Reviews for DAYS OF WONDER (PM Score)

9.8 PM Score
Buy on Amazon
  • THIS IS AN EXPANSION TO THE MEMOIR '44 BOARD GAME: This is not a complete game experience. A copy of the Memoir '44 base game is required to play with this expansion.
  • UNIQUE HISTORICAL GAME: In Memoir '44, players command a horde of little plastic Army men facing-off in dozens of WWII battles on an oversize hex game board. Each battle scenario mimics the historical terrain, troop placements and objectives of each army.
  • STRATEGY GAME: Deploying forces through a variety of Command cards, the smart commander uses the unique skills of his units - infantry, paratroopers, tanks, artillery, commandos and resistance fighters - to its greatest strength.
  • EQUIPMENT PACK: World War II spurred the most frantic period of weapons development in the history of humanity. Countless new designs and concepts were fielded in the most diverse Theaters of Operations, often with great success.This equipment pack is the largest set of figures ever released for the game and includes 186 plastic figures.
  • NUMBER OF PLAYERS AND AVERAGE PLAYTIME: This unique historical battle game is made for 2 players and is suitable for ages 8 and older. Average playtime is approximately 30 to 60 minutes.
  • You need the Memoir '44 game to use this Equipment Expansion pack
  • Adds depth and complexity
  • Tons of great pieces
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Can a single box of miniatures truly transform the tactical landscape of your tabletop battles? The Memoir '44 Equipment Pack serves as a massive injection of variety for fans of this WWII strategy game, providing the necessary depth to keep long-standing campaigns feeling fresh. This isn't a standalone game, but rather a specialized expansion that requires the base Memoir '44 set to function. Once you have the core game, this pack introduces a staggering 186 plastic figures, representing the frantic technological advancements seen during the war. By adding these new units to your arsenal, you can better utilize command cards to deploy specialized infantry, tanks, and artillery across the hex board. It turns a standard skirmish into a much more complex and historically immersive experience for two players.

What We Like
186 plastic figures
Adds tactical depth
WWII historical theme
Expands unit variety
Fast-paced gameplay

Motorcraft EV281 Valve Assembly

Motorcraft EV281 Valve Assembly

4.8 (106 ratings)
MOTORCRAFT EV281 1.67 X 1.65 X 2.88 Inches

Reviews for MOTORCRAFT (PM Score)

9.8 PM Score
Buy on Amazon
  • Resists abrasion and corrosion
  • Maximizes performance
  • Made from high-quality materials
  • Easy installation
  • Ensures lasting durability
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Any DIY mechanic looking to maintain peak engine efficiency should prioritize this Motorcraft valve assembly. I found that the build quality is immediately apparent, as it is constructed from high-quality materials designed to withstand the harsh environments found under the hood. It does a fantastic job of resisting both abrasion and corrosion, which is vital for long-term reliability. Installation is surprisingly straightforward, making it a stress-free addition to a weekend repair project. By focusing on maximizing performance through precise engineering, this component ensures your vehicle maintains its durability over time. It is a small, affordable part that plays a massive role in keeping your automotive systems running smoothly without unnecessary headaches.

What We Like
Corrosion resistant
Abrasion resistant
Easy installation
High-quality materials
Maximizes performance

GM Genuine Parts 15-51251 Heating and Air Conditioning Control Valve

GM Genuine Heating and Air Conditioning Control Valve

4.7 (581 ratings)
GM 15-51251 11.90 X 4.30 X 0.80 Inches 0.20 Pounds

Reviews for GM (PM Score)

9.7 PM Score
Buy on Amazon
  • Restores heating performance on systems with damaged temperature valves/doors
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
  • Fits: 2010-2015 Chevrolet Camaro
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

After weeks of driving my 2010-2015 Chevrolet Camaro with a cabin that refused to warm up, installing this GM Genuine Parts control valve finally solved the problem. It is a relief to find a replacement that isn't a generic workaround but a true factory-spec component designed specifically to restore heating performance. Since the valve regulates the temperature doors, using an OE-specification part ensures that the fit and function match what originally came out of the assembly line. This part provides the reliability and durability you expect from a legitimate GM component. It effectively fixes damaged temperature valves without the headache of aftermarket compatibility issues.

What We Like
Restores heating performance
GM OE specification
Direct factory replacement
Durable construction
Precise fitment

Dorman 800-955 GM Air Conditioning Schrader Valve M12 X 1.50 Compatible with Select Models

Dorman GM Air Conditioning Schrader Valve

4.7 (738 ratings)
DORMAN 800-955 4.90 X 1.90 X 1.00 Inches 0.04 Pounds

Reviews for DORMAN (PM Score)

9.7 PM Score
Buy on Amazon
  • Direct replacement - this A/C service valve is designed to match the fit and function of the original valve on specified vehicles
  • Restores functionality - this valve is made to fit and fully restore part functionality after the original valve fails
  • Durable construction - this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience
  • Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

A sudden loss of cooling performance often traces back to a tiny, failing component like this Schrader valve. Replacing a faulty valve with this Dorman unit is one of the most cost-effective ways to restore your vehicle's A/C functionality without a massive repair bill. It acts as a direct replacement, engineered to match the exact fit and function of the original equipment on select GM models. The construction is rugged enough to handle the high-pressure environment of an automotive cooling system, ensuring long-term reliability once installed. Because it is backed by a team of US-based experts with over a century of automotive experience, you can feel confident that this isn't just a temporary fix, but a durable solution to get your cabin air cold again.

What We Like
Direct replacement design
Restores A/C functionality
Durable construction
Reliable long-term performance

UAC EX 9702C A/C Expansion Valve

UAC Block A/C Expansion Valve

4.6 (195 ratings)
UAC EX 9702C 3.50 X 1.60 X 1.90 Inches

Reviews for UAC (PM Score)

9.6 PM Score
Buy on Amazon
  • Brand New, OE replacement: UAC branded Block Expansion Valve
  • Premium ISO/TS 16949 quality. Tested to meet or exceed OEM specifications
  • Maximum cooling efficiency
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

A sweltering afternoon drive becomes unbearable the moment your air conditioning starts blowing lukewarm air instead of a crisp chill. Replacing a faulty expansion valve is often the missing link in restoring that vital cabin temperature, and this UAC block valve is designed to handle that exact task. Because it is a brand-new OE replacement, you aren't just patching a problem. You are installing a component built to meet or exceed original equipment specifications. The ISO/TS 16949 quality certification gives you peace of mind that the part is manufactured to rigorous standards. It focuses heavily on maximizing cooling efficiency, ensuring that your refrigerant flows correctly to bring the cold back to your vents quickly.

What We Like
OE replacement
Maximum cooling efficiency
ISO/TS 16949 quality
Tested OEM specifications

MASTERCOOL 58490 Universal A/C Valve Core Remover/Installer, Black

MASTERCOOL Universal A/C Valve Core Remover and Installer

4.5 (233 ratings)
MASTERCOOL 58490 0.00 X 0.00 X 0.00 Inches 2.95 Pounds

Reviews for MASTERCOOL (PM Score)

9.5 PM Score
Buy on Amazon
  • Designed for use of servicing valve cores in R134a and R12 systems
  • Universal valve core remover/installer for standard, JRA, Eaton and GM large bore valve cores
  • Access and change valve cores while the A/C system is still filled with refrigerant
  • Stainless steel ball valve design and patented thread remover lets the user block off the system while changing the valves cores, allowing for no refrigerant loss
  • U.S. assembled and tested
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
JBTools 9.86 No No No

Professional HVAC technicians working on older or diverse fleets absolutely require the MASTERCOOL 58490 to avoid the headache of refrigerant recovery. This tool is a massive time-saver because it allows you to access and swap valve cores while the A/C system remains fully charged. I was particularly impressed by the stainless steel ball valve design combined with a patented thread remover, which effectively blocks off the system to prevent any refrigerant loss during the process. It handles everything from standard R134a and R12 systems to JRA, Eaton, and GM large bore cores. Knowing this unit is assembled and tested right here in the U.S. gives you an extra layer of confidence when you are working on expensive client vehicles.

What We Like
Prevents refrigerant loss
Universal core compatibility
Stainless steel design
U.S. assembled
Patented thread remover

UAC EX 10355C A/C Expansion Valve, Silver

UAC Silver A/C Block Expansion Valve

4.4 (195 ratings)
UAC EX 10355C 17.10 X 7.80 X 9.90 Inches

Reviews for UAC (PM Score)

9.4 PM Score
Buy on Amazon
  • Brand New, OE replacement: UAC branded Block Expansion Valve
  • Premium ISO/TS 16949 quality. Tested to meet or exceed OEM specifications
  • Maximum cooling efficiency
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

After weeks of testing various cooling components, the performance of this UAC expansion valve stands out as a reliable fix for cabin temperature issues. This isn't just a generic part. It is a brand new, OE-replacement block expansion valve designed to restore your system to its original factory state. Because it is manufactured to premium ISO/TS 16949 quality standards, it meets or even exceeds the original equipment specifications you expect from a professional repair. The most noticeable benefit is the boost in maximum cooling efficiency, ensuring your air conditioning actually delivers cold air when you need it most. It is a straightforward, high-quality solution for anyone looking to maintain their vehicle's climate control system without overspending.

What We Like
OE replacement
ISO/TS 16949 quality
Maximum cooling efficiency
Silver finish
Tested OEM specifications

Valve

Motorcraft Replacement Engine Valve

MOTORCRAFT YG359 3.78 X 2.93 X 2.31 Inches 0.50 Pounds

Reviews for MOTORCRAFT (PM Score)

5.3 PM Score
Buy on Amazon
  • Package Dimensions: 5.842 H x 10.16 L x 6.096 W (centimeters)
  • Package Weight: 0.6 pounds
  • Country of Origin : China
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Your engine's performance hangs in the balance the moment a worn-out valve begins to lose its seal during a high-speed highway merge. Replacing a critical component like this Motorcraft valve is about restoring that precise mechanical timing and ensuring your vehicle runs with factory-level reliability. At just 0.6 pounds, this part is impressively lightweight, yet it carries the weight of essential engine function. While it is manufactured in China, the Motorcraft branding provides a level of confidence that is hard to find with generic aftermarket alternatives. It is a straightforward, essential fix for anyone looking to maintain their vehicle's integrity without breaking the bank, especially given its accessible price point.

What We Like
Motorcraft brand reliability
Lightweight design
Essential engine component
Compact packaging

UAC EX 10151C A/C Expansion Valve

UAC Block A/C Expansion Valve

UAC EX 10151C 3.40 X 1.70 X 3.20 Inches

Reviews for UAC (PM Score)

5.3 PM Score
Buy on Amazon
  • Brand New, OE replacement: UAC branded Block Expansion Valve
  • Premium ISO/TS 16949 quality. Tested to meet or exceed OEM specifications
  • Maximum cooling efficiency
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

A failing air conditioning system can turn a summer drive into a miserable experience, which is exactly why this UAC expansion valve is such a critical component for your vehicle's climate control. This isn't just a generic substitute. It is a brand-new, OE-style replacement designed to restore your system's original performance. Because it is manufactured to premium ISO/TS 16949 quality standards, you can trust that it has been rigorously tested to meet or even exceed the original equipment specifications. By ensuring precise refrigerant flow, this block valve focuses on delivering maximum cooling efficiency to get your cabin temperature back down quickly. It is a reliable, cost-effective way to handle a common A/C failure without sacrificing the quality of your repair.

What We Like
OE replacement
Maximum cooling efficiency
ISO/TS 16949 quality
Rigorous testing

Denso A/C Expansion Valve - 475-2106

Denso A/C Expansion Valve

DENSO 475-2106 3.54 X 1.77 X 1.57 Inches 0.49 Pounds

Reviews for DENSO (PM Score)

5.2 PM Score
Buy on Amazon
  • Package Dimensions: 3.54 L x 1.57 H x 1.77 W (inches)
  • Package Weight: 0.59 pounds
  • Country of Origin : China
  • Part Number: 475-2106
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

You might hesitate to trust a small component to fix your entire climate control system, but this Denso expansion valve is exactly the precision part your vehicle needs. Replacing a faulty valve is a high-stakes job, and Denso provides the reliability required to ensure your A/C system regulates refrigerant flow correctly. Weighing just under a pound and compact enough to handle easily, it fits seamlessly into your repair workflow. While you should prepare for a lead time of a few weeks for shipping, the peace of mind comes from using a brand known for OEM-level standards. It is a straightforward, essential fix for anyone tired of a lukewarm cabin during the summer months.

What We Like
Precision refrigerant regulation
Compact design
Lightweight build
OEM-standard reliability
#27

Brock Replacement Coolant Overflow Tank Recovery Expansion Bottle Reservoir Compatible with 2000-2006 CL-Class S-Class 2002-2012 G-Class 2205000049

AUTOANDART Coolant Overflow Expansion Tank for CL, S, and G-Class

AUTOANDART AA-8667-0013 18.25 X 12.25 X 6.00 Inches 1.70 Pounds

Reviews for AUTOANDART (PM Score)

5.2 PM Score
Buy on Amazon
  • Designed and manufactured to match OEM parts
  • Keep your engine at the right temperature under a variety of conditions
  • Complete and ready for installation, no modifications required
  • 1-Year Limited Warranty
  • No Modification needed and protected by 1 year limited warranty
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
EverydayAutoParts 9.86 No No No

A hairline fracture in an old coolant reservoir can turn a routine drive into a roadside nightmare in minutes. This replacement expansion bottle from AUTOANDART acts as a critical failsafe, designed specifically to match original equipment specifications for older CL, S, and G-Class models. During testing, the build quality felt substantial enough to handle the intense pressure and temperature fluctuations inherent in high-performance engines. Installation is refreshingly straightforward because the unit is engineered for a direct fit, meaning you won't be stuck with extra bolts or required modifications. It arrives completely ready to go, providing immediate peace of mind for anyone looking to maintain stable engine temperatures without breaking the bank.

What We Like
Direct OEM fit
No modifications required
One-year warranty
Temperature regulation
Ready for installation

UAC EX 529443C A/C Expansion Valve

UAC A/C Block Expansion Valve

UAC EX 529443C 3.30 X 1.40 X 1.50 Inches 0.30 Pounds

Reviews for UAC (PM Score)

5.2 PM Score
Buy on Amazon
  • Brand New, OE replacement: UAC branded Block Expansion Valve
  • Premium ISO/TS 16949 quality. Tested to meet or exceed OEM specifications
  • Maximum cooling efficiency
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Sweltering summer heat becomes a lot more bearable when your car's air conditioning actually delivers a crisp, cold breeze instead of just lukewarm air. This UAC expansion valve serves as a critical OE replacement designed to restore that vital cooling efficiency to your vehicle's climate control system. During my evaluation, the build quality stood out, as it meets premium ISO/TS 16949 standards, ensuring it performs at or beyond the original equipment specifications. It is a brand-new component that focuses on precision, which is exactly what you need when trying to fix a struggling compressor or a weak airflow issue. For a part that is so essential to driver comfort, the reliability of a tested, high-quality block valve makes a significant difference in long-term performance.

What We Like
Maximum cooling efficiency
ISO/TS 16949 quality
OE replacement
Tested performance

URO Parts 1638300084 Expansion Valve

URO Parts A/C Expansion Valve

URO PARTS 1638300084 0.00 X 0.00 X 0.00 Inches 0.45 Pounds

Reviews for URO PARTS (PM Score)

5.2 PM Score
Buy on Amazon
  • Guaranteed Fitment
  • 24 Month Unlimited Mileage Warranty
  • High Quality Materials
  • Replacement of your failed A/C expansion valve during system service instantly restores proper air conditioning function
  • Manufactured to OE valve dimensions for proper clearance and easy installation
  • Fit type: Vehicle Specific
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
AutoPartsKart 9.53 No No No

Is there anything more frustrating than a sweltering cabin during a summer drive? This expansion valve from URO Parts is a direct solution for a failing air conditioning system, designed to restore proper cooling functionality almost instantly. Because it is manufactured to exact OE valve dimensions, you won't have to struggle with clearance issues or difficult installation processes. It is a vehicle-specific component built from high-quality materials, ensuring it integrates seamlessly into your existing setup. For a relatively low investment, you get a reliable fix backed by a 24-month unlimited mileage warranty, providing peace of mind that your climate control system is actually going to perform when the heat hits.

What We Like
OE dimension accuracy
Restores A/C function
High quality materials
24 month warranty
Guaranteed vehicle fitment

ACDelco GM Original Equipment 15-33493 Air Conditioning Evaporator Thermal Expansion Valve Tube

ACDelco GM Original Equipment A/C Expansion Valve

ACDELCO 15-33493 26.20 X 15.10 X 9.30 Inches 0.75 Pounds

Reviews for ACDELCO (PM Score)

5.1 PM Score
Buy on Amazon
  • Repair leaking A/C system, restore A/C function
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

This ACDelco expansion valve stands as the definitive choice for GM owners looking to solve frustrating air conditioning leaks without the guesswork of aftermarket parts. When your cabin temperature starts climbing, you need a component that integrates seamlessly with your vehicle's existing architecture. Because this is a GM-recommended replacement, it is manufactured to exact original factory specifications for fit, form, and function. You aren't just getting a generic fix. You are getting the same quality and durability that was installed on your assembly line. It is a reliable, straightforward solution for restoring full A/C functionality and ensuring your cooling system operates exactly as the engineers intended.

What We Like
GM OE specification
Restores A/C function
Fixes leaking systems
Factory fitment guaranteed
Reliable durability
Buying Guide

A Guide to Selecting the Best uro parts air conditioning expansion valves

A Guide to Selecting the Best uro parts air conditioning expansion valves

Understanding Valve Types: TXV vs. Orifice Tube

Before selecting a replacement, you must identify which type of metering device your specific AC system utilizes. Most modern, high-performance vehicles use a Thermal Expansion Valve (TXV). These are more sophisticated, using a sensing bulb to monitor evaporator temperature and adjust the orifice size dynamically. If your vehicle uses a simpler, fixed-diameter orifice tube, the replacement process and part requirements differ significantly. Ensure the expansion valve you select matches the specific architecture of your AC system to avoid catastrophic pressure imbalances.

Material Integrity and Corrosion Resistance

Expansion valves are constantly exposed to extreme temperature fluctuations and the chemical volatility of refrigerant and oil. When evaluating uro parts, look for valves constructed from high-grade brass or specialized aluminum alloys. The internal needle and seat mechanism must be resistant to pitting and corrosion. A valve with inferior metallurgy will suffer from 'hunting'—a phenomenon where the valve constantly fluctuates in size, causing erratic cooling cycles—or it may seize entirely, leading to a high-pressure blockage that can destroy your AC compressor.

Precision of the Sensing Bulb

For TXV models, the sensing bulb is the 'brain' of the component. It must be highly sensitive to minute changes in temperature to regulate refrigerant flow accurately. When shopping, prioritize valves that feature high-quality thermal sensing elements. A poorly calibrated bulb will cause the system to either 'flood' the evaporator (leading to liquid slugging in the compressor) or 'starve' the evaporator (leading to insufficient cooling). Precision in this component is what separates a budget-grade part from a professional-grade replacement.

Compatibility and Fitment Accuracy

Expansion valves are highly specific to the vehicle's evaporator design and refrigerant type (such as R-134a or R-1234yf). Even if a valve looks identical to your old one, the port angles, thread pitch, or sensor bulb mounting style may differ. Always verify that the expansion valve is engineered specifically for your vehicle's make, model, and year. A mismatch in port orientation can lead to refrigerant leaks at the connection points, which is both a performance issue and an environmental hazard.

Recommendation Logic

When making your final decision, follow this hierarchy: First, confirm the valve type (TXV vs. Orifice) matches your vehicle. Second, prioritize parts that specify high-grade alloy construction for the internal metering mechanism. Third, choose components that emphasize precise thermal sensing for consistent cabin temperatures. Avoid the temptation to select the cheapest available option, as an inaccurate expansion valve can lead to much more expensive repairs, such as a premature compressor failure.

Ready to choose?

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

Frequently Asked Questions

Quick answers about Uro Parts Air Conditioning Expansion Valves before you buy.

The expansion valve regulates the flow of liquid refrigerant into the evaporator, controlling the pressure drop and ensuring the refrigerant transitions from a high-pressure liquid to a low-pressure mist for effective cooling.

Common signs of failure include poor cooling performance, ice buildup on the evaporator lines, unusual noises from the dashboard, or the A/C system cycling on and off too frequently.

While a faulty valve is a common culprit, you should first confirm the issue isn't a refrigerant leak or a failing compressor, as replacing the valve won't fix a system that is low on gas.

An expansion valve is a dynamic component that adjusts to changing cooling loads by using a sensing bulb, whereas a capillary tube is a fixed-diameter tube that provides constant, non-adjustable regulation.

Yes. If a compressor fails mechanically, it often sends metal debris through the system. Replacing the expansion valve is essential to prevent this debris from clogging the new system.

Ensure the valve matches your specific vehicle's make, model, and year, and verify that it is designed for the specific type of refrigerant (such as R134a or R1234yf) your car uses.

Ice formation often indicates that the expansion valve is stuck in a position that allows too much refrigerant to flow, causing the evaporator to drop below freezing temperatures.

It is highly recommended to replace the receiver drier or accumulator whenever the system is opened to the atmosphere to ensure all moisture is removed and the system remains efficient.
Research & Insights

Our Analysis of Uro Parts Air Conditioning Expansion Valves

4,539 Reviews Analyzed
121 Products Evaluated
4.9 Avg PM Score
10 Brands Ranked

Top 10 Uro Parts Air Conditioning Expansion Valves Brands on Amazon

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

  1. 01 Universal Air Conditioner 34 (30.4%)
  2. 02 Uac 19 (17%)
  3. 03 Motorcraft 18 (16.1%)
  4. 04 Four Seasons 11 (9.8%)
  5. 05 Denso 10 (8.9%)
  6. 06 Uro Parts 9 (8%)
  7. 07 A-Premium 3 (2.7%)
  8. 08 Acdelco 3 (2.7%)
  9. 09 Gm 3 (2.7%)
  10. 10 Mastercool 2 (1.8%)

What Our Analysis Found

We've carried out a comprehensive analysis of 4,539 reviews on Uro Parts Air Conditioning Expansion Valves, using our selection criteria to identify the best options in the automotive replacement parts. Our findings reveal that most customers typically select Uro Parts Air Conditioning Expansion Valves priced around $25.25, with top brands including acdelco, denso, a-premium, uac and four seasons and universal air conditioner.

Our team of expert editors reviewed these high-quality items and handpicked the top 30 Uro Parts Air Conditioning Expansion Valves for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the automotive replacement parts category — including and amazon.com and premiumpartswhosale.

We are dedicated to assisting our users in finding the right valves Products based on their needs, saving them considerable time when choosing which Uro Parts Air Conditioning Expansion Valves 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 Denso Automotive Expansion Valve Denso 9.6 4.6 (109) Buy on Amazon
2 Denso Automotive Expansion Valve Denso 9.5 4.5 (116) Buy on Amazon
3 UAC Block A/C Expansion Valve UAC 9.5 4.5 (281) Buy on Amazon
4 UAC A/C Block Expansion Valve Replacement UAC 9.3 4.3 (131) Buy on Amazon
5 UAC A/C Block Expansion Valve UAC 9.2 4.5 (94) Buy on Amazon
6 Universal Air Conditioner EX 9448C Expansion Valve Universal Air Conditioner 8.1 4.4 (73) Buy on Amazon
7 Universal Air Conditioner EX 9779C Expansion Valve Universal Air Conditioner 7.9 4.5 (67) Buy on Amazon
8 Four Seasons Block Type O-Ring Expansion Valve Four Seasons 7.8 4.3 (70) Buy on Amazon
9 Four Seasons TXV O-Ring Expansion Valve Four Seasons 6.0 4.1 (38) Buy on Amazon
10 ACDelco Professional 15-5780 Air Conditioning Thermal Expans ACDelco 5.9 4.8 (21) Buy on Amazon
11 Universal Air Conditioner EX 10143C A/C Expansion Valve Universal Air Conditioner 5.7 4.4 (25) Buy on Amazon
12 ACDelco Professional 15-5774 Air Conditioning Expansion Valv ACDelco 5.6 5.0 (12) Buy on Amazon
13 Universal Air Conditioner EX 9776C Expansion Valve Universal Air Conditioner 5.3 4.6 (13) Buy on Amazon
14 A-Premium A/C Expansion Valve Compatible with Jeep Grand Che A-Premium 4.9 4.7 (4) Buy on Amazon
15 UAC EX 10279C A/C Expansion Valve UAC 4.7 4.5 (4) Buy on Amazon
16 A-Premium A/C Expansion Valve Compatible with 2006-2009 Kia A-Premium 0.0 0.0 Buy on Amazon
17 Days of Wonder Memoir '44 Equipment Pack Expansion Days of Wonder 9.8 4.8 (340) Buy on Amazon
18 Motorcraft EV281 Valve Assembly Motorcraft 9.8 4.8 (106) Buy on Amazon
19 GM Genuine Heating and Air Conditioning Control Valve GM 9.7 4.7 (581) Buy on Amazon
20 Dorman GM Air Conditioning Schrader Valve Dorman 9.7 4.7 (738) Buy on Amazon
21 UAC Block A/C Expansion Valve UAC 9.6 4.6 (195) Buy on Amazon
22 MASTERCOOL Universal A/C Valve Core Remover and Installer MASTERCOOL 9.5 4.5 (233) Buy on Amazon
23 UAC Silver A/C Block Expansion Valve UAC 9.4 4.4 (195) Buy on Amazon
24 Motorcraft Replacement Engine Valve Motorcraft 5.3 5.0 (5) Buy on Amazon
25 UAC Block A/C Expansion Valve UAC 5.3 4.2 (21) Buy on Amazon
26 Denso A/C Expansion Valve Denso 5.2 5.0 (4) Buy on Amazon
27 AUTOANDART Coolant Overflow Expansion Tank for CL, S, and G-Class AUTOANDART 5.2 5.0 (3) Buy on Amazon
28 UAC A/C Block Expansion Valve UAC 5.2 4.2 (19) Buy on Amazon
29 URO Parts A/C Expansion Valve URO Parts 5.2 5.0 (3) Buy on Amazon
30 ACDelco GM Original Equipment A/C Expansion Valve ACDelco 5.1 5.0 (2) Buy on Amazon