Genuine OEM Volkswagen Fuel Supply Line, part number 04E133723N. This line is responsible for delivering fuel from the fuel tank to the engine's fuel rail, ensuring a consistent and reliable fuel supply for combustion. It connects the fuel system to the engine's fuel rail. It weighs approximately 0.223 kg and measures 0.453m in length. Using a genuine OEM fuel supply line guarantees the correct material composition for fuel compatibility, precise routing, and secure, leak-proof connections, which are crucial for fuel system safety and performance.