Genuine OEM Audi Engine Coolant Hose, part number 059122055D. This hose is designed to carry coolant within the engine cooling system, playing a critical role in regulating engine temperature. It is a small, lightweight component, weighing approximately 0.054 kg with a length of 0.13 meters. Using a genuine OEM hose ensures proper fitment, material integrity, and resistance to temperature and pressure fluctuations, which is vital for preventing leaks and maintaining cooling system efficiency.