Get your semi Ready for the Road Ahead with fast and reactive rear air brakes, with the Sealco 3-Port 4 psi Relay Valve. By positioning itself between the service reservoir and the rear air brakes, this replacement component is able to quickly release compressed air and actuate the air brakes. Built with a solid metal body to tolerate extreme pressures and daily use.
FleetPride is your First Click in Heavy Duty .
Made from high-quality materials to provide long lasting performance and withstand the rigors of heavy duty use
Easy installation in tight spaces to be suitable for commercial vehicles
Improves vehicle braking performance
3/8" control port
1/2" reservoir port
3/8" delivery port
4 psi crack pressure
Use 6002 or 6003 nipple for mounting
Primarily used for single axle trailer service brakes or tandem axle by axle trailer brake designs
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