Genuine OEM Audi Engine Coolant Hose, part number 4G0122055H. This hose transports coolant within the engine cooling system, playing a critical role in maintaining optimal engine operating temperature. It is located on the right side of the cooling system. Weighing 0.382 kg and measuring 0.43 meters in length, this hose is designed for precise fitment and durability. Choosing a genuine OEM hose ensures correct routing geometry, material composition, and resistance to temperature and pressure fluctuations, preventing leaks and premature failure.