The Horton Engine Cooling Fan Clutch is the perfect solution for keeping your engine coolant temperatures at optimum operating efficiency. With a low parts count, installation and maintenance are a breeze. The premium sheave bearing and long wearing friction liner ensure maximum reliability and long life. This fan clutch is designed for Sterling trucks with a back pulley diameter of 7.54", a CL3 belt configuration of 10K, and a belt groove location of 2.55". Upgrade your Sterling truck with the Engine Cooling Fan Clutch for reliable and efficient engine cooling. FleetPride is your First Click in Heavy Duty®.