Genuine OEM Volkswagen Radiator Upper Coolant Hose, part number 3C0122101GE. This hose serves as a critical link in the engine cooling system, connecting the engine to the upper inlet of the radiator to facilitate coolant flow. It ensures efficient heat exchange, helping to regulate engine temperature. The hose features a fabric sleeve for added protection and quick-release couplings for secure attachment. Measuring 0.49 meters in length and weighing 0.577 kg, this component is built for durability. Using a genuine OEM coolant hose guarantees the correct material resistance to heat and pressure, precise routing geometry, and reliable quick-release mechanisms for a leak-free cooling system.