Genuine OEM Audi Fuel Return Pipe, part number 8K0201227D. This rigid pipe is a crucial component of the fuel system, responsible for directing unused fuel from the engine back to the fuel tank, ensuring proper fuel pressure regulation. It is typically located in the vicinity of the fuel pump and fuel tank assembly, as shown in the diagram. Constructed from durable, corrosion-resistant materials, this lightweight pipe weighs approximately 0.022 kg. Using a genuine OEM fuel return pipe guarantees precise bends, correct material specifications, and leak-free connections for safe and efficient fuel system operation.