Genuine OEM Audi Engine Oil Cooler, part number 079117021M. This component is vital for maintaining the engine's health by reducing the temperature of the engine oil. It functions as a heat exchanger, typically using engine coolant to dissipate heat from the oil. Weighing 0.855 kg and constructed from durable metal, this genuine OEM oil cooler provides efficient heat transfer and robust leak-free performance, crucial for preventing oil degradation and ensuring proper engine lubrication under all operating conditions.