Genuine OEM Jaguar Oil Pump Drive Wheel, part number AJ813090. This essential engine component is responsible for transmitting rotational power from the crankshaft to the oil pump, ensuring the continuous circulation of engine oil for lubrication. It is a small, gear-like part located within the engine's oil system. Weighing approximately 0.044 kg, this precision-engineered component is crucial for engine health. Genuine OEM drive wheels are manufactured to exact tolerances, ensuring reliable power transmission and the longevity of the oil pump and engine.