Genuine OEM Hyundai Fuel Injection Line, part number 314112F000. This high-pressure line is responsible for delivering precisely metered fuel from the common rail to the engine's fuel injector for cylinder number one. It is a critical component of the fuel delivery system. Choosing a genuine OEM injection line ensures the correct pressure rating, precise length, and proper sealing surfaces for leak-free and efficient fuel delivery, crucial for engine performance and safety.