Genuine OEM Audi Fuel Hose, part number 079127509BA. This hose is responsible for delivering fuel from the fuel tank to the engine, ensuring a consistent and reliable fuel supply. It is positioned on the rear left side of the vehicle's fuel system. Constructed from materials resistant to fuel and pressure, it maintains integrity under demanding conditions. Using a genuine OEM fuel hose guarantees correct routing, material compatibility, and leak-free operation, which are critical for safety and engine performance.