The Horton DM Advantage Two-Speed Remanufactured Fan Clutch is the perfect solution for trucks with a back pulley diameter of 7.87". This fan clutch is designed to provide maximum available horsepower for auxiliary systems while reducing operating noise. With the gain efficient cooling and improved fuel efficiency, this fan clutch is designed for easy installation and maximum reliability. The center of JB to top right mounting hole measures 4.39", ensuring a secure and stable fit. Manufactured by Horton, a trusted name in the industry, this fan clutch is built to last. It offers an optimized two-speed function for efficient cooling and improved fuel efficiency, as well as maximum reliability and long operating life. Upgrade your Two-Speed Remanufactured Fan Clutch today. FleetPride is your First Click in Heavy Duty®.