Genuine OEM Audi Fuel Return Hose, part number 4L0201906D. This flexible hose is an essential component of the fuel system, responsible for safely returning excess fuel from the engine's fuel rail or pressure regulator back to the fuel tank. It is positioned near the fuel filter and tank assembly. Weighing 0.0731 kg and measuring 0.235 meters in length, this hose is designed for durability. Choosing a genuine OEM fuel return hose ensures correct material resistance to fuel, proper routing, and secure connections for leak-free and safe operation.