Product Details: Outfit your vehicle to be Ready for the Road Ahead™ with the Bendix 1/4"-18 NPT Push/Pull Control Valve, a replacement product that is suitable for a wide range of pneumatic applications. This hydraulic valve controls the application and release of air pressure to the vehicle's brakes. Designed with non-corrosive and non-metallic material to ensure an extended lifetime. FleetPride is your First Click in Heavy Duty®.