Genuine OEM Volkswagen Engine Oil Cooler, part number 09M409061. This component is responsible for regulating the temperature of the engine oil, ensuring it remains within optimal operating ranges to prevent overheating and maintain lubrication efficiency. It is typically mounted near the engine or transmission assembly. Choosing a genuine OEM oil cooler guarantees the correct heat exchange capacity, material integrity, and leak-free operation, which is vital for protecting the engine from thermal stress and ensuring its long-term reliability.