Genuine OEM Volkswagen Fuel Return Line, part number 3Q0201294. This essential component is responsible for returning excess fuel from the engine back to the fuel tank, helping to regulate fuel system pressure and prevent vapor lock. It connects the engine's fuel system to the fuel tank. The line is a distinctive blue color and features factory-fitted connectors for a secure, leak-free connection. Genuine OEM fuel lines ensure correct routing geometry, material compatibility with fuel, and robust connections for safe and reliable fuel system operation.