Genuine OEM Audi Front Left Inner Window Aperture Seal, part number 8T8837479D. This seal is designed to fit along the inner perimeter of the front left door's window opening, providing a crucial barrier against water, wind, and road noise. It ensures a tight and secure closure for the window. Weighing 0.81 kg, this seal is made from durable, weather-resistant rubber or similar material. Choosing a genuine OEM seal guarantees the correct profile, flexibility, and material composition for effective long-term sealing and noise reduction, maintaining interior comfort and protection.