Genuine OEM Volkswagen Door Window Guide Trim, part number 2G6839902G9B9. This trim piece is positioned vertically within the door frame, serving to guide the window glass smoothly as it moves up and down. It also provides a finished aesthetic to the door opening. Made from durable material, this guide trim measures 0.42 meters in length and is finished in Satin Black (9B9). Genuine OEM trim components ensure precise fitment, proper window operation, and a consistent interior or exterior aesthetic, preventing rattles and ensuring smooth function.