Genuine OEM Volkswagen Coolant Hose, part number 3D0121065FC. This hose is part of the engine cooling system, responsible for circulating coolant between engine components and the radiator. It is located in the engine bay. The hose has a length of 0.22 meters and a width of 0.095 meters. Genuine OEM coolant hoses are manufactured to precise specifications to withstand extreme temperatures and pressures, ensuring reliable engine cooling and preventing leaks.