Genuine OEM Volkswagen Shutter, part number 3D0837112A. This component is marked as number 8 in the diagram and functions as a shutter or plug within a door mechanism. It is a small, lightweight part with dimensions of 0.05m x 0.02m x 0.01m and a weight of 0.0016 kg. Genuine OEM parts are essential for this type of component to ensure proper sealing and smooth operation within the door assembly, maintaining the vehicle's original integrity.