Genuine OEM Volkswagen Radiator Lower Coolant Hose, part number 1C0122051P. This hose carries cooled fluid from the radiator back to the engine, playing a critical role in the cooling system. It is positioned at the lower outlet of the radiator. This complex-shaped hose, made of durable rubber with integrated plastic connectors and clamps, weighs 0.53 kg and measures 0.66 m in length. Genuine OEM hoses ensure precise fitment, correct internal diameter for optimal flow, and resistance to thermal cycling and chemical degradation, preventing leaks and maintaining cooling system integrity.