25 Pack Brass DOT Air Line Fittings Straight Union 1/4 Inch And 3/8 Inch Push To Connect Kit For Air Suspension And Pneumatic Lines Up To 250 PSI

Brass DOT Air Fittings Kit, 25-Pack for 1/4 and 3/8" Lines
✔️ 25pcs 1/4" OD and 10pcs 3/8" OD push-to-connect, rated 250 psi

This 25-pack brass DOT air line fittings kit provides straight unions for quick connect air lines on trucks, trailers, and pneumatic systems. It's designed for air suspension and brake line applications where secure, leak-free connections are crucial.

✅ 25-piece DOT approved straight union kit with 15x 1/4" (6.35 mm) OD and 10x 3/8" (9.53 mm) OD
✅ Brass CA360, corrosion resistant with 360° rotating joint for easy install
✅ Push-to-connect design for quick, tool-free connections and disconnections
✅ Rated to 250 psi and withstands -40°F to 160°F (-53°C to 71°C)
✅ Suitable for automotive, semi truck, air suspension and pneumatic lines

💡 What is a DOT air line fitting used for in truck and trailer air systems?

This handy piece helps connect air lines quickly and reliably in harsh environments. - DOT approved, SAE J1131 compatible for compliant air brake and suspension lines (1/4 in = 6.35 mm, 3/8 in = 9.53 mm) - brass push-to-connect fittings for fast, leak-free connections in standard air lines - sizes 1/4 inch and 3/8 inch OD suit most automotive air lines