Genuine OEM Jaguar Fuel Return Line, part number J9C12049. This line is responsible for returning excess fuel from the engine's fuel rail back to the fuel tank, helping to maintain correct fuel pressure and prevent vapor lock. It is an integral part of the vehicle's fuel delivery system. With a length of 1.015 meters and weighing 0.1 kg, this genuine OEM fuel return line ensures correct routing, material compatibility, and leak-free operation for reliable fuel system performance.