Genuine OEM Volkswagen Coolant Pipe Hose, part number 2N1121447C. This hose is responsible for transporting coolant between various engine components, playing a vital role in maintaining optimal engine operating temperature. It is routed within the engine cooling system. Weighing approximately 0.19 kg, this genuine OEM hose ensures the correct routing geometry and resistance to engine fluids and temperatures, which is essential for preventing leaks and ensuring efficient cooling system performance.