Genuine OEM Volkswagen Pulley, part number 03C105255F. This pulley is a component of the engine's accessory drive system, typically mounted on the crankshaft to drive other components via a belt. It is located at the front of the engine. Made from durable metal, it is designed for precise rotation. Genuine OEM parts are manufactured to exact tolerances for proper balance and longevity, ensuring smooth and reliable engine function.