Genuine OEM Volkswagen Coolant Hose, part number 7N0815992A. This hose is designed to transport coolant between engine components and the radiator, playing a crucial role in maintaining optimal engine operating temperatures. It is located in the engine cooling system. The precise dimensions and material composition ensure it withstands the pressures and temperatures of the cooling system. Genuine OEM parts are manufactured to exact specifications for reliable performance and longevity.