Genuine OEM Volkswagen Engine Toothed Belt Pulley, part number 04L105263E. This precision-engineered pulley is a critical component in the engine's timing system, responsible for driving the toothed belt and ensuring synchronized operation of engine components. It is typically mounted on the crankshaft, transmitting rotational force to the timing belt. Weighing 0.386 kg, this pulley is manufactured to exact specifications for reliable performance. Choosing a genuine OEM toothed belt pulley ensures precise tooth profile, material hardness, and dimensional accuracy, which are vital for maintaining correct engine timing and preventing catastrophic engine damage.