Genuine OEM Audi Fuel Return Line, part number 03L130235S. This line is crucial for the fuel system, safely returning excess fuel from the fuel rail back to the fuel tank. It helps maintain correct fuel pressure and prevents fuel system overload. Weighing approximately 0.15 kg and measuring 0.24 m in length, this hose is designed for precise routing within the engine bay. Choosing a genuine OEM fuel line ensures proper material compatibility, leak-free connections, and long-term durability, critical for fuel system integrity.