Genuine OEM Volkswagen Pressure Control Valve Hose, part number 022103474G. This hose is a critical component of the Positive Crankcase Ventilation (PCV) system, connecting the pressure control valve to other parts of the system. It helps regulate crankcase pressure by allowing excess gases to be recirculated. Proper functioning of this hose is vital for emissions control and preventing oil leaks. Genuine OEM ensures correct material composition and flexibility for a reliable seal.