The Horton Engine Cooling Fan Clutch for Pierce is the perfect solution for your truck's cooling needs. With a back pulley diameter of 9.84" and a front pulley diameter of A1, this fan clutch is designed to fit perfectly in your vehicle. The overall length of the clutch is 5.92", making it compact and easy to install. The CL3 belt configuration with 6PK belt groove location of 0.88" ensures that the fan clutch operates smoothly and efficiently. The bolt circle of 3.50" and fan pilot diameter of 2.56" make it easy to attach the fan blade to the clutch. The fan operates at the optimal position for maximum cooling efficiency. The Fan Clutch is designed to be high torque capable, allowing it to turn larger fans with ease. The on and off operation of the clutch reduces noise and conserves fuel, making it an efficient and cost-effective solution for your truck's cooling needs. With a low parts count, installation and maintenance are easy and hassle-free. FleetPride is your First Click in Heavy Duty®.