Genuine OEM Audi Coolant Hose, part number 7L6122447BK. This flexible hose is an essential component of the engine cooling system, responsible for transporting coolant between various parts like the radiator, engine, and coolant reservoir. It ensures efficient heat dissipation and maintains optimal engine operating temperature. Measuring 0.54 m in length and weighing 0.157 kg, this hose is designed to withstand high temperatures and pressures. Choosing a genuine OEM coolant hose ensures the correct material composition, routing, and secure connections for a reliable and leak-free cooling system.