Genuine OEM Volkswagen Cap Nut, part number N91132501. This nut is used to secure components within the tailgate or rear hatch assembly. It is located at position 10 in the assembly diagram. This cap nut provides a secure, vibration-resistant connection while protecting the exposed thread from corrosion. Genuine OEM fasteners are essential for body assemblies to ensure the correct torque retention and environmental sealing required for exterior components.