Genuine OEM Audi Engine Oil Cooler, part number 4H0117015E. This critical component is responsible for dissipating excess heat from the engine oil, ensuring it remains within optimal operating temperature ranges. Proper oil cooling is essential for engine lubrication, performance, and longevity. This cooler is typically located in the engine bay, often near the main radiator or integrated into the cooling system. Weighing approximately 2.749 kg, it is constructed to withstand high temperatures and pressures. Choosing a genuine OEM oil cooler ensures precise fitment, efficient heat exchange, and durability, preventing overheating and potential engine damage.