Product Details: Get your semi truck Ready for the Road Ahead™ with increased tractor safety, with the Bendix TP-3DC Type Tractor Protection Valve. With a sophisticated design, this replacement valve is able to prevent potential accidents or rolling by automatically applying a tractor's brakes in the case of a breakaway. Fashioned with push-to-connect ports for an easy pairing with other accessories. FleetPride is your First Click in Heavy Duty®.