Daisy
Last Updated: Jul 20, 2026
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| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Fiada US | 9.93 | ✅ | ✅ | ✅ |
Fit for: the unions measures approx. 0.6 x 0.9 inch, the nut measures approx. 0.67 x 3/8 inch, fit for most common inverted flare or double flare sizes for 3/16 inch tube, for use with 3/16 inch steel, poly coated or copper brake lines; Please confirm the size of the details according to the picture before purchasing
Size and material: both the unions and nuts are metric 3/8-24 threads (regular 3/16 inch tube fitting size), all brake line fittings are made of quality brass to prevent rust and plated for corrosion resistance
You will get: 12 pieces brake line fittings in the package, include 4 pieces unions and 8 pieces nuts, you can share them with your family and friends, these tubes unions are good fittings
Inverted flare union: these unions are a nice option to join 2 (3/16 inch) brake lines together
Brake line fitting connect: the nut is called the fitting for 3/16 inch tube, these unions fittings have a hex size of 3/8 inch and the threads are 3/8 inch with a thread pitch of 24
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| thestopshop | 9.88 | ✅ | ✅ | ✅ |
3/8-24 Threads (standard 3/16" tube fitting size)
702x3 Weatherhead
Includes Mounting Bracket
Brass
One piece
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| MuHize® Direct | 9.85 | ✅ | ✅ | ✅ |
PACKAGE INCLUDE - MuHize upgraded Brake Fittings Replacement (Pack of 15): ① 5 x 3/8-24 threads unions; ② 10 x 3/8-24 threads nuts. Note:Both the unions and nuts is 3/8-24 threads (regular 3/16 inch tube fitting size) . Please check before shopping!
INVERTED FLARE UNION- Any 2 (3/16 inch) brake lines can be easy to joined with Muhize unions. both the sizes for unions and nuts are both 3/8-24 threads, which is the regular brake fitting size for 3/16 inch tube.
HIGHER QUALITY - MuHize brake fittings are made of durable brass with unique rust corrosion proofing technology.
WIDELY APPLICATION - MuHize 3/8' - 24 threads fittings commonly fits for regular inverted flare/ double flare sizes for 3/16 inch brake lines tube.
PROFESSIONAL - MuHize focus on outstanding features and benefits of braking line. 100% brand new & made from excellent materials, and good contact.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Legines | 9.70 | ✅ | ✅ | ✅ |
Contain common air brake fitting styles
D.O.T Union:1/4"(4 pcs), 3/8"(4 pcs), 1/2"(4 pcs), 5/8"(2 pcs)
D.O.T Tee:1/4"(2 pcs), 3/8"(2 pcs), 1/2"(2 pcs); Bushing: 3/8" NPT Female x 1/2" NPT Male(2 pcs)
D.O.T Male Elbow:1/4" OD x 1/8" NPT Male(2 pcs), 1/4" OD x 1/4" NPT Male(2 pcs), 3/8" OD x 3/8" NPT Male(2 pcs), 1/2" OD x 3/8" NPT Male(2 pcs)
D.O.T Sraight Male Connector: 1/4" x 1/8" NPT Male(2 pcs), 1/4" x 1/4" NPT Male(2 pcs), 3/8" x 3/8" NPT Male(2 pcs), 1/2" x 3/8" NPT Male(2 pcs)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Auto Supplies Direct | 9.88 | ✅ | ✅ | ✅ |
3/16" Tube (3/8-24 Thread, Inverted Flare) Brake Line Union Pack of 5 for Cars and Trucks
Convenient Pack of 5 - With a total of 5 pieces in each pack, you'll have enough unions for multiple connections or to keep extras on hand for future repairs.
Durable and Reliable - Made with professional quality brass, these unions are designed to last and provide a tight, leak-free seal for years to come.
Ideal for Cars and Trucks - Whether you're working on a car or truck, these brake line unions are a must-have for ensuring the safety and performance of your vehicle.
Meets Industry Standards - These unions are manufactured to meet industry standards for brake line fittings, ensuring a high-quality and reliable product.
Leak-Proof Design - With a Inverted Flare flare design, these unions provide a secure grip and a leak-proof seal, ensuring that your brake lines won't come loose or leak under heavy use.
High Pressure Resistant - These unions are designed to resist high pressures, making them suitable for use in all types of brake systems.
Compatible with a Range of Fittings- These unions are compatible with 3/16" steel, copper, nickel poly armor, and cupronickel tubing/fittings, making them a versatile choice for your brake line needs.
Easy to Install - These brake line Unions are designed for hassle-free installation and can be fitted onto your brake lines with minimal effort.
Essential for Brake System Maintenance - Regular maintenance of your brake system is essential for ensuring its safe and efficient operation. These fittings are an essential component for maintaining the health of your brake system.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Many different types available, including long, dual and tube styles
Corrosion-resistant brass design for a long service life
Also suitable for a broad variety of industrial and commercial uses
Available individually and in a variety of piece counts to assist with both small and large projects
Support available - every Dorman part is backed by Dorman's ASE Blue Seal Certified technical support team
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| HaSaoMoi | 6.11 | ✅ | ✅ | ✅ |
【PREMIUM MATERIAL】:Our push in fittings are made of high quality CA360 brass,Certified by DOT and Air Brake system Requirements,with corrosion resistance, high temperature ductility and low permeability. Great for long time use, dot air brake fitting pneumatic fittings type: 1/4"
【TYPICAL APPLICATION】:The air brake fittings assortment kit can be used with air systems, copper tubing in air lines brake systems, which is perfect for automotive car or truck repair,air operated seats, operating gauges, air horns, heater controls, industrial workshops, daily garden or lawn mower repair, towing machine hose connection and air brake connections .
【EASY TO BE INSTALLED】: Union connect two tube with same OD. All quick connect fittings can be sealed by pushing the tube firmly into the fittings and they are also simple to be removed from the tube.
【MAX PRESSURE】: Working pressure from vacuum to 250 psi. Temperature Range: -40° F to +200° F(-40°C to +93°C)(Note: see tubing manufacturer’s recommendations for pressure and temperature mutations)
【Quality Guarantee】: If you have any problems with it ,please feel free to contact us and i will try my best to solve your problems as soon as possible until you are satisfied. We are highly confident with our products.you won't regret it if you got it!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Auto Supplies Direct | 9.89 | ✅ | ✅ | ✅ |
Auto Supplies Direct 1/4" Brake Line Unions Pack of 5 7/16' - 24 Thread, Inverted Flare for Cars and Trucks
For Automotive Brake Line Systems, Works With Your Preferred 1/4" Brake Line Of Your Choice
Most Common 1/4" SAE Inverted Flare / Double Flare Size
High Pressure Resistant, Constructed From Safe and Professional Quality Brass, Lead Free
Compatible With 1/4" Steel, Copper, Nickel Poly Armour, and Cupronickel Tubing
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| HaSaoMoi | 6.06 | ✅ | ✅ | ✅ |
【PREMIUM MATERIAL】:Our push in fittings are made of high quality CA360 brass,Certified by DOT and Air Brake system Requirements,with corrosion resistance, high temperature ductility and low permeability. Great for long time use, dot air brake fitting pneumatic fittings type: 3/8" .
【TYPICAL APPLICATION】:The air brake fittings assortment kit can be used with air systems, copper tubing in air lines brake systems, which is perfect for automotive car or truck repair,air operated seats, operating gauges, air horns, heater controls, industrial workshops, daily garden or lawn mower repair, towing machine hose connection and air brake connections .
【EASY TO BE INSTALLED】: Union connect two tube with same OD. All quick connect fittings can be sealed by pushing the tube firmly into the fittings and they are also simple to be removed from the tube.
【MAX PRESSURE】: Working pressure from vacuum to 250 psi. Temperature Range: -40° F to +200° F(-40°C to +93°C)(Note: see tubing manufacturer’s recommendations for pressure and temperature mutations)
【Quality Guarantee】: If you have any problems with it ,please feel free to contact us and i will try my best to solve your problems as soon as possible until you are satisfied. We are highly confident with our products.you won't regret it if you got it!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| EilxMag | 9.81 | ✅ | ✅ | ✅ |
👉【Premium Material】: Our air line fittings are made of PBT Plastic, the air brake brass fittings DOT approved are made of high quality CA360 brass, with corrosion resistance, high temperature ductility and low permeability. Great for long time use.
👉【Quantity】: Unique dot air line quick connect fittings nylon tubing kit: The plastic tube fittings contain 28 pieces: 8 pcs Male straight push connectors, 6 pcs Straight tube unions. 6 pcs 90 degree Elbows. 4 pcs 90 degree Elbows NPT thread. 4 pcs Tube tees. The brass tube fittings contain 16 pieces: 5 pcs Male connectors. 5 pcs Male 90° elbows. 3 pcs Tube tees. 3 pcs Tube unions. Fit type: 1/2", 3/8", 1/4".
👉【Typical Application】: The push-to-connect fitting 1/4 inch are suitable for PU / PA / PE / PVC. The dot air fittings assortment can be used with air systems, and copper tubing in air brake systems. They are widely applied in automotive, manufacturing production lines, car or truck repair, industrial workshops, daily garden or lawn mower repair, towing machine hose connections and so on.
👉【Easy to install】: Our air fitting kit quicks disconnect simply push tubing in, no tools or loose parts to handle in tight places. Save your effort and time. And pieces that contain a threaded end already have sealant pre applied to provide a secure connection.
👉【After Service】: If you are not satisfied with our Air Line Fitting Assortment Kit, please feel free to contact us, as we will offer you a replacement or 100% money back. What we desire is to bring you the best shopping experience.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Mytee Products (Part of Mytee Inc.) | 9.81 | ✅ | ✅ | ✅ |
28 PCS (1/4", 3/8", & 1/2") D.O.T. Air Brake Line Fittings Brass Push to Connect Kit
Tee : 1/2" (2 Pcs), 3/8" (2 Pcs)
Union : 1/2" (2 pcs), 3/8" (2 pcs)
Elbow : 3/8'' OD x 1/4'' NPT (2 pcs), 3/8'' OD x 3/8'' NPT (2 pcs), 1/2'' OD x 1/2'' NPT (2 pcs), 1/2'' OD x 3/8'' NPT (2 pcs), 1/2'' OD x 1/4'' NPT (2 pcs)
Straight : 3/8'' OD x 1/2'' NPT (2 pcs), 3/8'' OD x 3/8'' NPT (2 pcs), 1/2'' OD x 1/2'' NPT (2 pcs), 1/2'' OD x 3/8'' NPT (2 pcs), 1/2'' OD x 1/4'' NPT (2 pcs)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ANRIWT | 5.35 | ✅ | ✅ | ✅ |
【PREMIUM MATERIAL】:Our air brake fittings are made of high quality CA360 brass,Meets D.O.T FMVSS 571.106 ,SAE J1131 Air Brake system Requirements and Air Brake system Requirements,with corrosion resistance, high temperature ductility and low permeability. Great for long time use, dot air brake fitting pneumatic fittings type: 3/8" .
【EASY TO USE】: Union connect two tube with same OD. All dot air quick connect fittings can be sealed by pushing the tube firmly into the fittings and they are also simple to be removed from the tube.
【TYPICAL APPLICATION】:Air brake fittings assortment kit can be used with air systems, copper tubing in air lines brake systems, which is perfect for automotive car or truck repair,air operated seats, operating gauges, air horns, industrial workshops, air brake connections,towing machine hose connection and air brake connections or lawn mower repair.
【PRESSURE RANGE】: Air brake fittings working pressure from vacuum to 250 psi. Temperature Range: -40° F to +200° F(-40°C to +93°C)(Note: see tubing manufacturer’s recommendations for pressure and temperature mutations)
【QUALITY GUARANTEE 】: If you have any problems with dot air fittings ,please feel free to contact us and i will try my best to solve your problems as soon as possible until you are satisfied.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ANRIWT | 5.35 | ✅ | ✅ | ✅ |
【PREMIUM MATERIAL】:Our air brake fittings are made of high quality CA360 brass,Meets D.O.T FMVSS 571.106 ,SAE J1131 Air Brake system Requirements and Air Brake system Requirements,with corrosion resistance, high temperature ductility and low permeability. Great for long time use, dot air brake fitting pneumatic fittings type: 1/4" .
【EASY TO USE】: Union connect two tube with same OD. All dot air quick connect fittings can be sealed by pushing the tube firmly into the fittings and they are also simple to be removed from the tube.
【TYPICAL APPLICATION】:Air brake fittings assortment kit can be used with air systems, copper tubing in air lines brake systems, which is perfect for automotive car or truck repair,air operated seats, operating gauges, air horns, industrial workshops, air brake connections,towing machine hose connection and air brake connections or lawn mower repair.
【PRESSURE RANGE】: Air brake fittings working pressure from vacuum to 250 psi. Temperature Range: -40° F to +200° F(-40°C to +93°C)(Note: see tubing manufacturer’s recommendations for pressure and temperature mutations)
【QUALITY GUARANTEE】: The air brake fittings with corrosion resistance, high temperature ductility and low permeability. Great for long time use .If you encounter problems can contact us at any time,we will try my best to solve your problems as soon as possible until you are satisfied.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Taii Auto Parts | 5.39 | ✅ | ✅ | ✅ |
👉【PREMIUM MATERIAL】: Our dot air brake fitting assortment is made of high quality CA360 brass, meets D.O.T FMVSS 571.106 and Air Brake System Requirements. With corrosion resistance, high temperature ductility and low permeability. Long service use, dot air brake fitting type: 1/8" 1/4", 3/8", 1/2", 5/8" .
👉【EASY TO INSTALL】: Our dot air line kit quicks disconnect simply push tubing in, need to use tools to fix loose parts to handle in tight places, so that use will be more firm and not easy to fall off. And pieces that contain a threaded end already have sealant pre applied to provide a secure connection.
👉【TYPICAL APPLICATION】: Air brake fittings assortment kit can be used with air systems, copper tubing in air lines brake systems, which is perfect for automotive car or truck repair,air operated seats, operating gauges, air horns, industrial workshops, air brake connections,towing machine hose connection and air brake connections or lawn mower repair.
👉【MAX PRESSURE】: Air line fittings pressure resistance, not easy to trip. Air brake fittings working pressure from vacuum max to 300 psi. Temperature Range: -65° F to +200° F(Note: see tubing manufacturer's recommendations for pressure and temperature mutations)
👉【 ALL IN ONE KIT】: The air brake fittings contain 42 PCS. 12PCS DOT Union, 8PCS DOT Straight Male Connector, 8PCS DOT 90⁰ Elbow, 6PCS DOT Tee, 4PCS 90° Elbow Connector, 4PCS Bushing.
👉【QUALITY GUARANTEE 】: If you have any problems with dot air brake fittings kit ,please feel free to contact us and i will try my best to solve your problems as soon as possible until you are satisfied.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Available in many different styles including 3-way tees, elbows, unions, and more
Hard-wearing brass or steel construction for a long service life
A wide range of tube diameters and pipe sizes available
Conveniently packaged in a variety of piece counts to assist with both small and large projects
Support available - every Dorman part is backed by Dorman's ASE Blue Seal Certified technical support team
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Available in many different styles including 3-way tees, elbows, unions, and more
Hard-wearing brass or steel construction for a long service life
A wide range of tube diameters and pipe sizes available
Conveniently packaged in a variety of piece counts to assist with both small and large projects
Support available - every Dorman part is backed by Dorman's ASE Blue Seal Certified technical support team
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ANRIWT | 5.35 | ✅ | ✅ | ✅ |
【PREMIUM MATERIAL】:Our DOT air brake fittings are made of high quality CA360 brass,Meets D.O.T FMVSS 571.106 , Air Brake system Requirements,with corrosion resistance, high temperature ductility and low permeability. Great for long time use, dot air brake fitting type: 1/4", 3/8", 1/2",1/8", 5/8" .
【 AIR LINE NYLON TUBING KIT】:The air brake fittings contain 44 PCS. 12PCS DOT Union , 6PCS DOT Tee , 4PCS Bushing, 8PCS 90⁰ DOT Male Elbow Connector, 8PCS DOT Straight Male Connector , 4PCS 45⁰ DOT Male Elbow Connector , 2pcs Compression Fittings 1/4" tube x 1/4" NPT Male. Fitting types: 1/4", 3/8", 1/2",1/8",5/8". All in a durable yet lightweight plastic storage container with flip lock tabs, rust and secure.
【EASY TO INSTALL】: Our dot air fitting kit quicks disconnect simply push tubing in, need to use tools to fix loose parts to handle in tight places, so that use will be more firm and not easy to fall off.And pieces that contain a threaded end already have sealant pre applied to provide a secure connection.
【TYPICAL APPLICATION】:Air brake fittings assortment kit can be used with air systems, copper tubing in air lines brake systems, which is perfect for automotive car or truck repair,air operated seats, operating gauges, air horns, industrial workshops, air brake connections,towing machine hose connection and air brake connections or lawn mower repair.
【PRESSURE RANGE】: Air line fittings pressure resistance, not easy to trip.Air brake fittings working pressure from vacuum max to 300 psi. Temperature Range: -65° F to +200° F(Note: see tubing manufacturer’s recommendations for pressure and temperature mutations)
【QUALITY GUARANTEE 】: If you have any problems with dot air fittings ,please feel free to contact us and i will try my best to solve your problems as soon as possible until you are satisfied.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| IMAChoice | 6.81 | ✅ | ✅ | ✅ |
DOT Air Brake Line Fittings 32pcs KIT: Brass Material 3/8”1/2” 1/4” Tube OD; Straight 1/2" Tube x 3/8" NPT 2PCS,3/8" Tube x 3/8" NPT 2PCS,3/8" Tube x 1/2" NPT 2PCS,1/2"Tube x 1/2" NPT 2PCS,1/2" Tube x 1/4" NPT 2PCS;90°Elbow 3/8"Tube x 1/2" NPT 2PCS,3/8" Tube x 3/8" NPT 2PCS,1/2" Tube x 1/2" NPT 2PCS,1/2" Tube x 3/8" NPT 2PCS",1/2" Tube x 1/4" NPT 2PCS";Tube Union 1/2" 2PCS,1/4"" 2PCS,3/8"?2PCS;Tube Tee 1/2" 2PCS,3/8" 2PCS, 1/4"" 2PCS;
Air Brake Line Fittings Typical Application: Air System;Working PRESSURE: Working pressure from vacuum up to 250 psi; Temperature Range: -40° F to +200° F(-40°C to +93°C) ;
How to installation Brass Push to Connect Fitting Kits:Insert the same OD Pneumatic Tube from union two side ;How to Put Out the Tube:Step 1: Depress the end cap;Step 2: Pull out the Pneumatic Tube;
Push to Connect Fitting Tips:caution!Ensure the cross section of the pneumatic tube is smooth not uneven
D.O.T Brass Push to Connect Fittings;For Pneumatic Tube or Hose Connection, Car brake system line connection, or other air system tube connection;
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| OTYYWD | 5.05 | ✅ | ✅ | ✅ |
【PREMIUM MATERIAL】:The dot air fittings are made of high quality CA360 brass,Meets D.O.T FMVSS 571.106 ,SAE J1131 Air Brake system Requirements and Air Brake system Requirements,with corrosion resistance, high temperature ductility and low permeability. Great for long time use,dot push to connect air fittings kit pneumatic fittings type: 1/4", 3/8", 1/2" .
【TYPICAL APPLICATION】The dot air line quick connect fittings can be used with air suspension systems, copper tubing in air lines brake systems, which is perfect for automotive car or truck repair,air operated seats, operating gauges, air horns, industrial workshops, air brake connections,towing machine hose connection and air brake connections.
【EASY TO INSTALL】: Our dot push to connect air fittings simply push tubing in, no tools or loose parts to handle in tight places. Save your effort and time. And pieces that contain a threaded end already have sealant pre applied to provide a secure connection.
【PRESSURE RANGE】: DOT Air Line Quick Connect Fittings Assortment working pressure from vacuum to 250 psi. Temperature Range: -40° F to +200° F(-40°C to +93°C)(Note: see tubing manufacturer’s recommendations for pressure and temperature mutations)
【DOT AIR LINE FITTING SET】:The dot air brake line fittings kit package includes 38pcs : 7pcs straight tube union connectors,6pcs tube tees,10pcs 90°elbows NPT Thread,10pcs straight push connectors NPT Thread, 5PCS Bushing.Push fitting types: 1/4", 3/8", 1/2".
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Anriwt | 3 |
| Dorman | 3 |
| Auto Supplies Direct | 2 |
| Hasaomoi | 2 |
| Eilxmag | 1 |
| Frienda | 1 |
| Imachoice | 1 |
| Legines | 1 |
| Muhize | 1 |
| Mytee Products | 1 |
We've carried out a comprehensive analysis of 2,690 reviews on car brake fittings, using our selection criteria to identify the best options in the automotive replacement parts. Our findings reveal that most customers typically select car brake fittings priced around $48.70, with top brands including wypabiqis, auto supplies direct, mytee products, legines, the stop shop, s.u.r. and r auto parts, 4lifetimelines and frienda and allstar
Our team of expert editors reviewed these high-quality items and handpicked the top 19 car brake fittings for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the automotive replacement parts category. These include wypabiqis, auto supplies direct, mytee products (part of mytee inc.), legines, thestopshop, jbtools, 4lifetimelines and fiada us and fastcatmachine .
We are dedicated to assisting our users in finding the right fittings Products based on their needs, saving them considerable time when choosing which car brake fittings to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.