Genuine OEM Volkswagen Gear Oil Cooler, part number 2HJ317019C. This oil cooler cools the transmission fluid to prevent overheating and ensure optimal performance of the automatic gearbox. It is located at position 6 in the transmission assembly. The part weighs approximately 1.993 kg. Genuine OEM quality ensures efficient heat dissipation and correct fluid flow, vital for the longevity of the transmission.