Genuine OEM Volkswagen Crankshaft Toothed Belt Pulley, part number 045105263B. This critical component is responsible for transmitting rotational force from the crankshaft to the timing belt, synchronizing the engine's camshafts and valves. It is located on the crankshaft at the front of the engine. Weighing approximately 0.474 kg, this toothed pulley is engineered for durability and precise engagement. Using a genuine OEM pulley guarantees the correct tooth profile and material strength, which is vital for maintaining accurate engine timing and preventing catastrophic engine damage.