Genuine OEM Audi Vacuum Hose, part number 4K0131492J. This hose is a critical component in the vehicle's vacuum system, responsible for transferring vacuum pressure to various engine and ancillary components, enabling their proper function. It is typically routed to connect a vacuum tank or pump to actuators and sensors. The hose measures approximately 0.49 meters in length and weighs 0.062 kg. Using a genuine OEM vacuum hose ensures precise fitment, correct internal diameter for optimal vacuum transfer, and resistance to engine bay temperatures and fluids, preventing vacuum leaks that can affect engine performance and emissions.