Genuine OEM Audi Fuel Return Hose, part number 059130218AD. This critical component is responsible for returning excess fuel from the engine's fuel rail or injectors back to the fuel tank, helping to maintain optimal fuel system pressure and prevent vapor lock. The hose features a durable, braided exterior for protection. This genuine OEM fuel return hose ensures correct routing geometry, precise connection points, and resistance to fuel and engine bay temperatures for reliable, leak-free operation.