Genuine OEM Volkswagen Radiator Lower Coolant Hose, part number 3C0122101GH. This hose is a crucial component in the engine cooling system, connecting the engine to the lower outlet of the radiator to facilitate the return of cooled coolant. It ensures efficient heat exchange and proper circulation to regulate engine temperature. The hose features quick-release couplings for secure and reliable connections. Measuring 0.535 meters in length and weighing 0.842 kg, this component is built for durability. Choosing 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.