Genuine OEM Volkswagen Engine Coolant Hose, part number 3D0122063CC. This molded rubber hose is designed to convey coolant between various engine components, playing a critical role in maintaining optimal engine operating temperatures. Approximately 0.42 meters in length, it features specific bends and fittings for precise routing. Genuine OEM coolant hoses are constructed from durable, heat-resistant rubber compounds to withstand high pressures and temperatures, preventing leaks and premature failure.