Genuine OEM Volkswagen Door Window Channel Seal, part number 5H4837476BUWZ. This essential component is installed within the door frame to guide the window glass smoothly as it moves up and down, while also providing a seal against water, wind, and noise. It is a long, flexible strip, measuring 1.095 meters in length. Using a genuine OEM window channel seal ensures precise fitment and proper sealing characteristics, preventing leaks, reducing wind noise, and protecting the window mechanism from debris and moisture.