Equip your semi to be Ready for the Road Ahead , with the Horton Remanufactured DM Advantage Fan Clutch, a crucial device to properly cool an engine in a complete range of temperatures. This replacement component controls the operation of the engine cooling fan, by removing or applying power when needed. Engineered with an easy-to-install body that works to silently cool the engine. FleetPride is your First Click in Heavy Duty .