Genuine OEM Volkswagen Coolant Hose, part number 7E0122058N. This hose is a vital part of the engine cooling system, responsible for circulating coolant between components like the radiator and thermostat housing to maintain optimal engine temperature. Weighing 0.25 kg, this hose measures 0.185m in length. Installing a genuine OEM coolant hose guarantees the correct material composition, pressure resistance, and precise routing geometry, preventing leaks and ensuring efficient heat transfer.