Genuine OEM Audi Engine Coolant Hose, part number 4M0121082F. This hose is designed to carry coolant efficiently, playing a vital role in regulating engine temperature and preventing overheating. It is positioned within the engine's cooling circuit, connecting to the radiator. Weighing 0.091 kg with dimensions of 0.28m x 0.105m x 0.022m, it features a specific molded shape for correct routing. Choosing a genuine OEM hose ensures the correct material flexibility and resistance to thermal cycling, preventing leaks and premature failure.