Genuine OEM Volkswagen Gear Oil Cooler, part number 2N0317019B. This cooler is designed to cool the transmission fluid, preventing overheating and maintaining lubrication effectiveness. It is part of the transmission cooling system. The cooler has a weight of 1.436 kg and a length of 0.788 meters. Genuine OEM gear oil coolers are engineered with precise internal passages and durable materials to ensure efficient heat dissipation and long service life.