Genuine OEM Volkswagen Rear Outer Taillight Gasket, part number 1Q0945191D. This gasket is specifically designed to create a watertight and dust-proof seal around the rear outer taillight assembly. Its proper function is critical in preventing moisture and debris from entering the light housing and damaging electrical components. Positioned at the rear of the vehicle, this genuine OEM gasket ensures a precise fit and long-lasting sealing performance, vital for maintaining the integrity and functionality of the taillight system.