Genuine OEM Jaguar Crankshaft Sprocket, part number C2Z31439. This essential engine component is responsible for transferring rotational motion from the crankshaft to the timing chain or belt, playing a vital role in maintaining accurate engine timing. Made from durable metal, it is designed for precise fitment within the engine assembly. Using a genuine OEM sprocket ensures correct tooth profile and material hardness, which is crucial for the longevity and reliable operation of the engine's timing system.