Genuine OEM Audi Engine Coolant Hose, part number 5N0122101AP. This hose plays a vital role in the engine's thermal management, transporting coolant to and from various components, including the oil cooler. It ensures efficient heat transfer to maintain optimal engine operating temperatures. Weighing approximately 0.32 kg with a length of 0.73 meters, this hose is engineered for specific routing. Opting for a genuine OEM hose guarantees the correct material composition and precise routing geometry, preventing leaks and ensuring reliable performance under engine heat and pressure.