Genuine OEM Audi Engine Coolant Hose, part number 06F121492L. This essential component is designed to transport engine coolant between various parts of the cooling system, such as the radiator, engine block, and heater core. It plays a critical role in maintaining optimal engine operating temperatures. This hose features both metal and rubber sections, measuring approximately 0.351 meters in length and weighing 0.193 kg. Using a genuine OEM coolant hose ensures the correct routing, material composition for heat and pressure resistance, and secure connections, which are vital for preventing leaks and engine overheating.