Best Nickel Brake Fittings in 2026

Male -3 AN to 2 x -3AN Flare (JIC -3, 3/8x24 thread) with Tab T Pipe Tee Block Hose Fitting Adapter

Material: SUS304 Stainless Steel

Works with -3AN TEFLON PTFE Brake and Clutch Hose / Line, Design For Drift / Hydraulic Hand Brake application

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

Our 3/16 (M10x1.0 Inverted) brake line unions are made with unmatched superior quality

4LifetimeLines unions are made of durable brass which is resistant to corrosion from salt that can be used on roads in the winter

Suitable for brake hydraulic line union applications

★ 【Material】: Heavy Duty Brass,strong and durable. Dual couplings for joining two tubes of the same diameter(OD: Outer Diameter).

★ 【Firm And Durable】: Litorange Brass for corrosion resistance, high temperature ductility and low magnetic permeability.

★ 【Function】: Union for connecting and disconnecting two tubes more easily than with a coupling

Inverted flare fittings and unions

7/16"-24 Threads

Pack of 6

1/4 Union Straight Push to connect fittings Fluid Admitted: Air, Water, Steam ;Pressure: 2MPa | 290psi/ Applicable: Pipe PU/NYLON/Soft PE; Working Temperature:-20°C—120°C | -4°F—248°F

1/4 Push connectors Nickel Plated Brass - corrosion resistance, ductility at high temperatures, and low magnetic permeability; Seal: O-ring FKM(Viton)

These 1/4 quick connect fittings work great ,available in various styles and models ,good to suit your pneumatic piping needs perfectly, easy to connect and disconnect, a quick fix to your leaking problems.

Unique Air Line Tubing Kit: The air brake fittings contains 2pcs 1/4” Unions, 2pcs 3/8” Unions, 2pcs 1/2” Unions; 2pcs 1/4” DOT Push-In × 1/8” MNPT, 2pcs 3/8” DOT Push-In × 1/4” MNPT, 2pcs 3/8” DOT Push-In × 3/8” MNPT, 1pc 1/2” DOT Push-In × 3/8” MNPT; 2pcs 1/4” DOT Push-In × 1/8” MNPT 90° Elbow, 2pcs 3/8” DOT Push-In × 1/4” MNPT 90° Elbow, 1pc 1/2” DOT Push-In × 3/8” MNPT 90° Elbow,

High-quality Material: Our push in fittings are made of high quality brass, with corrosion resistance, high temperature ductility and low permeability.

Technical Parameter: The Working Pressure is from Vacuum to 250 psi, the Working Temperature is from -40° F to +200° F.

PACKAGE INCLUDE - MuHize upgraded Brake Line 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 are 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 fitting size for 3/16 inch tube.

HIGHER QUALITY - MuHize brake line fittings are made of durable brass with unique rust corrosion proofing technology.

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.

【100% QUALITY MATERIAL】：The fitting made of T6061 Aluminum,high strength and good durability.The material of union adapter is lightweight aluminum.Working Temperature Range: -65℉ to 252℉ （-53℃ to 122℃).Max Working Pressure: 1000psi.

【EASY INSTALLATION】：Swivel fittings are easy to use and don't require special equipment. These new full flow swivel hose ends swivel to allow for a quick alignment of the hose after assembly.

【WIDELY APPLICATIONS】：6AN swivel hose end 6an hose separator clamp is not disposable, and you can easily reuse them. You can use them for Fuel Line, Oil Hose, Brake Line, Water Pipe, Gas Line and so on.

12 Piece 3/8 Inch-24 Threads Brake Line Fittings Assortment - for 3/16 Inch Tube (4 Unions, 8 Nuts)

These brake line fittings are made of durable brass to prevent rust and plated for corrosion resistance. Both the unions and nuts is metric 3/8-24 threads (regular 3/16 inch tube fitting size)

Intended for most common inverted flare/ double flare sizes for 3/16 inch tube, for use with 3/16 inch steel, poly coated or copper brake lines

Brake line adapter fitting is made from quality brass

Style is a 5/16 inch inverted flare union and is a straight style fitting

Sold in one set of 4 pieces

Available in many different styles, including elbows, union, and tees

A large variety of tube diameters and pipe sizes available

Conveniently packaged in diverse piece counts to assist with both small and large projects

Auto Supplies Direct (70) Piece 3/16″ & 1/4″ Brake Line Fittings Kit (3/16″ and 1/4″ Tube Nuts, Unions, and Compression Fittings) for Cars and Trucks

Contains a (30) Piece 3/16″ Inverted Flare Brake Line Fittings Assortment, which Includes: (10) 3/16″ Short Tube Nuts, (10) 3/16″ Long Tube Nuts, and (10) 3/16″ Unions

Contains a (30) Piece 1/4″ Inverted Flare Brake Line Fittings Assortment, which Includes: (10) 1/4″ Short Tube Nuts, (10) 1/4″ Long Tube Nuts, and (10) 1/4″ Unions

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)

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.

Union connect two tube with same 1/4" OD.

Quick disconnect simply push tubing in, no tools or loose parts to handle in tight places

Meets D.O.T FMVSS 571.106 ,CMVSS106 and SAE J1131 Air Brake system Requirements

【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.

👉【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.

❤️ Application----Special design, suitable for 3/16 inch pipe.The brake tee is easy to install without additional modification, and can directly replace old or damaged ones.

❤️Advantages: compact size design, lightweight compatibility and powerful brake tee make it more reliable. And easy to ope e.Safe Working Pressure: 1841 PSI/ 127 BAR.

❤️Excellent material----Made of high-quality alloy material, strong and durable, not easy to wear. It has the characteristics of high strength and high hardness, is not easy to break, rust-proof, corrosion- , aging- , and has a long service life.

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)

【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.

👉【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.

Material: All brake pipe fittings are made of high-quality brass to prevent rust and plated to prevent corrosion.

3/16" Brake Line Fittings: 15 Fittings for 3/16" Brake Line: 5 x 3/8-24 threads unions; 10 x metric 3/8-24 threads nuts.

Size: The threads are 3/8 inch with a thread pitch of 24.

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

【Compact Design】It adopts compact size design, light weight and easy to operate.

【Application】It is suitable for 3/16 inch pipe. Safe working pressure is 1841 PSI/ 127 BAR.

【Easy to Install】This is a replacement brake tee with a wide range of applications and good compatibility, stable and reliable, you can replace directly for old or broken one.

Universal Air Bag Suspension Kit: Working Pressure Of 200 Psi And Burst Pressure Of 400 Psi. Compatible With Air Brake And Airbag Suspension Parts And Fittings.includes Air Hose Repair Kit And Air Line Kit For Easy Installation And Maintenance. This Professional-grade Air Bags For Trucks Fittings Air Fittings Kit Comes With Everything You Need To Make Sure Your Air Lines Are Functioning At Peak Performance

The Air Ride Suspension Kit Is An Essential Addition To Any Vehicle With Airbags. This Kit Includes All The Necessary Fittings For A Smooth And Reliable Air Ride Suspension.this Kit Includes 1/4" Quick Connect Air Hose Tubing, Pneumatic Push To Connect Tube Fittings, And A Variety Of Other Air Fittings. The High-quality Materials Used In This Kit Make It Perfect For Professional Jobs As Well As Diy Projects.

The Fittings Are Designed With Both Internal And External Locking, And Are Push-to-connect (ptc) For Easy Installation. This Means That You Do Not Need Any Special Tools To Install The Kit. With Its Easy Installation And Quick Disconnect Features, You Can Get Your Air Lines Up And Running In No Time. Don't Wait, Get Your Air Bags For Trucks Fittings Air Fittings Kit Today And Enjoy The Ease And Convenience Of Having A Professional-grade Air Line System.

6 PCS BRASS TUBE TEE FITTING: 2 PCS 1/4 Inch & 2 PCS 3/8 Inch & 2 PCS 1/2 Inch;

6 PCS BRASS STRAIGHT UNION CONNECTORS: 2 PCS 1/4 Inch & 2 PCS 3/8 Inch & 2 PCS 1/2 Inch;

10 PCS BRASS 90°ELBOWS NPT THREAD: 2 PCS 3/8 Inch O/D × 3/8 Inch NPT & 2 PCS 3/8 Inch O/D × 1/2 Inch NPT & 2 PCS 1/2 Inch O/D × 1/4 Inch NPT & 2 PCS 1/2 Inch O/D × 3/8 Inch NPT & 2 PCS 1/2 Inch O/D × 1/2 Inch NPT;

【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.

Dsnaduo 3AN AN3 Male Flare to AN4 Pipe Male Stainless Steel Brake Hose Fitting Adapter Union Connector,Brake and Clutch Adapter Fitting

Material: Stainless steel 304

Commonly used to mate AN hose ends to NPT ports and lines.