Genuine OEM Jaguar Fuel Return Hose, part number C2Z31040. This critical component is responsible for safely returning excess fuel from the engine's fuel rail or pump back to the fuel tank, ensuring efficient fuel system operation and pressure regulation. It is an integral part of the vehicle's fuel delivery and return system. The assembly features a combination of flexible braided hose and rigid piping, equipped with quick-connect fittings for secure installation. Using a genuine OEM fuel hose guarantees correct routing geometry, material compatibility with fuel, and leak-free connections, vital for safety and performance.