The McCormick 6678317A1 Pulley is a genuine OEM replacement part designed for various McCormick tractor models, including the CX, MC, MTX, XTX, and ZTX series. This essential component ensures proper operation of the engine or accessory drive system. Manufactured to original specifications, it provides reliable performance and durability for demanding agricultural applications. With a weight of 0.36 kg and dimensions of 101.6 mm length, 101.6 mm width, and 50.8 mm height, this pulley is engineered for precise fit and long-lasting service.