Air Brake Quick Release Valve QR1C 0 PSI Differential With 0.25 Inch Supply Port And 0.375 Inch Delivery Port For Heavy Duty Trucks Replaces Bendix 289714 289714CX Freightliner A1214980 Volvo Mack 0587289714P

QR1C Air Brake Quick Release Valve for Heavy-Duty Trucks
✔️ 0 PSI diff, 0.25" supply, 0.375" delivery, 2.68" tall, single

The QR-1C quick release valve is designed for heavy-duty air brake systems and fits trucks, buses, and trailers. It features precise port sizes (supply 0.25", delivery 0.375", balance 0.25"), a compact 2.68" height, and durable NPT-threaded connections for leak-free installs in demanding fleet environments.

✅ Type QR-1C Quick Release Valve for heavy-duty air brake systems with 0 PSI differential
✅ Supply port diameter 0.25 inches; delivery port diameter 0.375 inches; balance port 0.25 inches
✅ Height 2.68 inches; NPT threaded ports for secure, leak-free connections
✅ Replaces Bendix 289714 and related part numbers; compatible with multiple brands
✅ Universal fit for trucks, buses, trailers; compatible with Freightliner, Mack, Volvo, Navistar, Wabco, and more
✅ Durable, compact construction designed to perform under high pressure

💡 What is a quick release air brake valve used for in heavy-duty vehicles?

A quick release valve helps quickly relieve air from the brake line, improving response time on trucks, buses, and trailers. - Handy for reliable brake release in commercial fleets - Supports common interchange parts and brands - Precise port sizes and 0 PSI differential aid consistent performance - Durable, compact design for tight installations