Genuine OEM Volkswagen Fuel Filler Valve Spring, part number 1J0809931. This small, S-shaped metal spring is a critical component within the fuel filler assembly, specifically designed to provide the necessary tension for the fuel filler valve. Its function ensures the valve operates correctly, maintaining a proper seal and preventing fuel vapor escape or spills. Made from durable spring steel, it offers consistent performance and longevity. Using a genuine OEM spring guarantees the correct tension and material properties for reliable fuel system function.

Catalogue entry: SPRING; TANK FLAP.