Genuine OEM Volkswagen Door Window Seal, part number 3AE839431D5AP. This seal is positioned on the door frame, at location 14 on the diagram, to provide a weather-tight seal for the window. It features a black finish, indicated by the '5AP' suffix. Genuine OEM seals are manufactured to precise dimensions to ensure proper sealing against wind noise and water ingress, protecting the interior from the elements.