The JCB 02801590 is a genuine OEM crankshaft pulley designed for a range of JCB equipment. This critical engine component helps to transmit power from the crankshaft to various engine accessories like the alternator, water pump, and power steering pump via drive belts. It also plays a vital role in damping torsional vibrations, contributing to smoother engine operation and extended component life. Manufactured to JCB's exacting standards, this pulley ensures precise fitment and reliable performance.