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Ensure your semi is Ready for the Road Ahead with fast and reactive rear air brakes, with the Sealco 4-Port 4.5 psi Emergency Relay Valve. To quickly apply compressed air to the rear air brakes, this replacement component acts as a gateway between the service reservoir and the air brakes. Fashioned with a durable metal body to tolerate extreme pressures and regular use.
FleetPride is your First Click in Heavy Duty .
Compact size for easy installation in tight spaces, making the valve an ideal choice for commercial vehicles
Made from high-quality materials that are designed to withstand the rigors of heavy duty use and provide long-lasting performance
Presents an affordable solution to improve a vehicle's emergency brake system
3/8" supply port
3/8" control port
3/8" delivery port
4.5 psi crack pressure
Includes ratio feature for speedy restoration during hard stop situations
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