Ensure your truck is Ready for the Road Ahead™ with proper engine cooling in a complete range of temperatures, with the Horton DM Advantage 2-Speed Fan Clutch Repair Kit. With a temperature-based design, this replacement component controls the operation of the engine's cooling fan, by applying or removing power as needed. Manufactured with an easy-to-install body that quietly works to cool the engine. APPLICABLE TO BOTH 2.56" AND 5.00" FAN PILOTS. 2S-DP-L REQUIRED FOR UNITS WITH 61 MM SHEAVE/PULLEY BEARING. FleetPride is your First Click in Heavy Duty®.