Genuine OEM Volkswagen Coolant Hose Line, part number 5N0122157BF. This integrated hose line assembly is crucial for circulating engine coolant throughout the cooling system, ensuring efficient heat transfer and temperature regulation. It consists of multiple hoses and connectors designed for precise routing and connections. Weighing 0.344 kg, this genuine OEM hose line provides the correct routing geometry and fluid resistance for reliable, leak-free performance.