Genuine OEM Audi Fuel Return Line, part number 4F0201227A. This component is responsible for safely returning excess fuel from the engine back to the fuel tank, helping to regulate system pressure. It is designed to resist fuel degradation and maintain flexibility. Weighing 0.04 kg and measuring 0.6 m in length, this line ensures precise routing and connection. Using a genuine OEM fuel line guarantees correct material composition, pressure resistance, and leak-free connections for safe and efficient fuel system operation.