Update your semi with enhanced control of its braking system, with the Bendix PP-1 Series 1/4"-18 NPT Push to Connect Type Dash Control Valve that ensures you're Ready for the Road Ahead™. This replacement valve helps regulate how much brake pressure is applied to the wheels by controlling the flow of compressed air to various parts of the brake system. Engineered with a durable design to withstand extreme pressures and idle operations. FleetPride is your First Click in Heavy Duty®.