Genuine OEM Audi Outer Door Window Slot Seal, part number 8Y0839475D3Q7. This seal is designed to prevent water, dust, and other debris from entering the door cavity through the window slot, protecting internal components and maintaining cabin integrity. It is installed on the outer side of the left rear door window frame. Measuring 0.875m in length and finished in Satin Black (3Q7), this seal ensures a tight and effective barrier. Using a genuine OEM seal guarantees the correct material composition, precise dimensions, and optimal flexibility for long-lasting performance and a perfect fit.