Parker Duo-Coil™ assemblies are designed with the inner red emergency coil wound inside the blue service coil, providing added protection to the driver. These pre-assemble, ready to install tractor-trailer hoses come with spring guards and male pipe end NTA swivel fittings. Special pipe thread sealant is factory applied and there is no cutting or assembly necessary. Just attach the gladhands (sold separately or pre-assembled).

Markets:
• Transportation

Features/Benefits:
• Duo-Coil combines both tractor-to-trailer lines (service and emergency) into a strong single unit
• Designed for quick hook-up and trouble-free service on your rig
• Reverse winding of the coiled air brake lines eliminates the possibility of tangling
• NPT swivel fittings reduce hook-up time
• The single unit provides clean and neat installation

Applications:
• Tractor-to-trailer service and emergency connections

Certifications/Compliance:
• Meets or exceeds SAE J844 and D.O.T. FMVSS 106 Specifications at -70°F to +200°F

Accessories:
• Gladhands available:
•Blue - PN GH9211
•Red - PN GH9212