Genuine OEM Volkswagen Fuel Return Line, part number 5Q0201294B. This critical component is designed to return excess fuel from the engine's fuel rail or pressure regulator back to the fuel tank, ensuring optimal fuel system pressure and preventing over-pressurization. It connects directly to the fuel pump/sender unit within the tank assembly. Weighing 0.03 kg and measuring approximately 39.5 cm in length, this line is engineered for precise routing and durability. Choosing genuine OEM ensures the correct material composition for fuel resistance, proper hose diameter, and secure connections, preventing leaks and maintaining fuel system integrity.