Genuine OEM Skoda Inner Window Aperture Seal, part number 5JA839479B. This seal is designed to fit the inner perimeter of the window aperture, specifically for the left side of the vehicle. Its function is to create a weather-tight seal when the window is closed, preventing water and wind ingress. Manufactured from durable rubber compounds for longevity. Genuine OEM seals ensure a precise fit and effective sealing performance, maintaining the integrity of the vehicle's cabin.