Genuine OEM Volkswagen Tail Light Seal, part number 7N0945191. This seal is located at item 3 in the diagram and creates a watertight and dustproof barrier around the tail light assembly. It is crucial for preventing moisture and contaminants from entering the tail light housing, which could damage bulbs and electrical components. Manufactured to exact specifications, genuine OEM seals ensure a perfect fit and long-lasting protection. Proper sealing is vital for the longevity of the lighting system.