Genuine OEM Volkswagen Toothed Belt Pulley, part number 03L130111H. This pulley is part of the timing system, driving the toothed belt to synchronize engine components such as the camshaft and crankshaft. Located on the engine, it is crucial for maintaining correct engine timing and performance. Manufactured to exact specifications for durability and precise operation. Genuine OEM toothed belt pulleys ensure the correct tension and alignment of the timing belt, preventing potential engine damage.