Genuine OEM Audi Door Window Outer Aperture Seal, part number 8K0837477F. This essential component seals the outer aperture of the front left door window, preventing water, dust, and debris from entering the door cavity and vehicle interior. It also helps to reduce wind noise and maintain a clean appearance. Made from durable rubber, it measures approximately 1.085 meters in length and weighs 0.372 kg. Using a genuine OEM seal guarantees precise fitment, optimal weather resistance, and long-term durability, preserving the vehicle's factory finish and function.