Genuine OEM Volkswagen Engine Crankshaft Pulley, part number 059105251DL. This vital component is mounted on the engine's crankshaft and drives various accessory components like the alternator, power steering pump, and air conditioning compressor via a serpentine belt. Weighing 4.025 kg and with a diameter of approximately 0.19 m, it is engineered for precise balance and vibration damping. A genuine OEM pulley ensures correct harmonic balance and durability, preventing premature wear on belts and accessories.