Genuine OEM Audi Front Left Door Window Aperture Seal, part number 427837477. This crucial component is designed to seal the window opening in the front left door, preventing water, wind, and noise intrusion into the vehicle's cabin. It is positioned along the upper frame of the door, where the window glass retracts. Measuring approximately 1.17 meters in length, this seal is made from durable, weather-resistant material. Opting for a genuine OEM seal guarantees an exact fit, optimal sealing performance, and long-lasting protection against environmental elements.