Ensure your semi is Ready for the Road Ahead™ with proper engine cooling in a complete range of temperatures, with the Horton Stratis Fan Clutch. Thanks to its temperature-based design, this replacement component is able to control the operation of the engine's cooling fan by applying or removing power as needed. Fashioned with an easy-to-install body that quietly works to cool the engine. FleetPride is your First Click in Heavy Duty®.