Genuine OEM Volkswagen Seal Channel Reinforcement, part number 11E813331A. This part functions as a reinforcement for the seal channel, providing structural integrity. It is located in the area indicated by position 9 on the diagram. Manufactured from durable materials to exact factory specifications, ensuring precise fit and long-lasting performance. Genuine OEM parts are critical for body panels to ensure exact bolt patterns, correct contour, and proper surface preparation for paint.