DOT Approved Brass Air Brake End Fitting - 3/8” OD Union Tubing for J1402 Air Brake Hose - Replacement Fittings for Semi Truck & Trailer Air Brake Systems - Includes 2pc Union Tubes & 4pc Sleeve Tubes - Heavy Duty Truck Repair & Maintenance Accessories

【High-Quality Materials】Air brake hose union tubing meets D.O.T. FMVSS571.106 when used with SAE J1402 air brake Hose，our Air hose end fittings ensure durability and a long lifespan, enabling stable performance for semi truck.

【Exceptional Sealing Performance】 Sleeve tube and thread precision engineering guarantees outstanding sealing performance, effectively preventing gas leaks, enhancing system efficiency, and reducing energy wastage.

【Easy Installation】With just one wrench, you can securely fasten your air hose and end fitting together. After testing, the maximum working pressure can reach up to 350 psi. If you are unsure about the installation process, you can refer to the videos on the DAZAKOOT product page for guidance.

【Excellent Corrosion Resistance】 Air hose end fittings are manufactured using pure brass materials, providing resistance against corrosion and oxidation in harsh environments, ensuring the reliability and stability.

【Professional After-Sales Service】 We provide a dedicated after-sales service team, ready to offer technical support and solutions, ensuring prompt assistance for customers during product usage.