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📦 Product Description
This 14-piece DOT air line fittings kit includes 8 male straight fittings and 6 male 90-degree elbow fittings. Each fitting is designed for 1/4" tube OD x 1/8" NPT thread connection. The fittings are built to handle working pressure up to 250 PSI and support a wide operating temperature range from -40℉ to 160℉ (-53℃ to 121℃), making them suitable for demanding environments.
🔧 Durable Brass Construction
The fittings are made from solid CA360 precision brass with seal-coated threads to help resist corrosion and wear. The smooth rotation design helps make installation easier and supports reliable long-term use.
⚙️ Easy Push-to-Connect Design
These fittings use a push-to-connect design to allow quick installation and removal. Simply insert the air tube fully to secure the connection, and press the release ring to remove when needed.
✅ DOT Compliant
The fittings meet DOT FMVSS 571.106 and SAE J1131 requirements for air brake system use. For best performance and to help prevent air leaks, ensure the air tube is cut clean, even, round, and free from deformation before installation.
🚚 Wide Application
These DOT push connect fittings are suitable for:
Automotive air systems
Semi truck and trailer air systems
Air suspension line repair
General 1/4" nylon air line connections
