Genuine OEM Volkswagen Ribbed V-Belt Pulley, part number 077903119G. This pulley is a crucial component of the engine's accessory drive system, designed to engage with and rotate the ribbed V-belt. Its precise dimensions and material ensure smooth operation and efficient power transfer to accessories like the alternator and power steering pump. Manufactured from durable metal to withstand constant rotation and load. Genuine OEM parts guarantee the correct balance and material composition for vibration-free operation and extended service life.