Genuine OEM Audi Door Window Guide Trim Strip, part number 4N0837644BT94. This exterior trim piece guides the window glass smoothly within the door frame and provides a clean, finished edge along the window opening. It is designed for the front right door. Measuring 1.29m in length and finished in Satin Aluminum (T94), it weighs 0.14 kg. Using a genuine OEM trim strip ensures precise fitment, correct curvature, and a durable finish that perfectly matches other factory components, preventing wind noise and maintaining aesthetic integrity.