Genuine OEM Audi Fuel Line, part number 1S0133321C. This critical component is responsible for transporting fuel from the fuel tank to the engine's fuel rail, ensuring a consistent and reliable fuel supply for combustion. It is located within the fuel delivery system, connecting to the fuel rail assembly. The line measures approximately 0.4 meters in length and weighs 0.162 kg. Opting for a genuine OEM fuel line guarantees the correct material composition for fuel resistance, precise connection fittings, and proper routing, which are essential for preventing leaks and maintaining fuel system safety and efficiency.