Genuine OEM Volkswagen Coolant Hose, part number 2HJ122101D. This hose transports coolant between engine components and the radiator to regulate engine temperature. It is located at position 18 in the engine cooling system diagram. The hose has a length of 0.68 meters and a weight of 0.6162 kg. Genuine OEM coolant hoses are manufactured to precise specifications to ensure optimal flow and durability, preventing leaks and maintaining engine temperature.