Genuine OEM Audi Coolant Hose, part number 5Q0122061C. This hose is an essential component of the engine cooling system, designed to transport coolant efficiently between various engine components. It is integrated within the engine's complex cooling circuit. Weighing 0.3103 kg and measuring 0.36 m in length, this hose is built for durability and a precise fit. Using a genuine OEM coolant hose ensures it possesses the correct material properties, flexibility, and resistance to high temperatures and pressures, which is paramount for preventing leaks and maintaining engine longevity.