Genuine OEM Audi Fuel Line, part number 05A130309J. This line is designed to transport fuel within the engine bay, ensuring precise delivery to the fuel rail or injectors. It is a pre-formed, rigid line, critical for maintaining fuel pressure and preventing leaks in the high-pressure fuel system. Genuine OEM fuel lines are engineered for exact routing, material compatibility with fuel, and robust construction to withstand engine vibrations and temperature fluctuations, ensuring safe and reliable fuel delivery.