Left.LWB. Right.LWB. Sunscreen lower bolt. SUNSCREEN. A Bolt used to secure the liftgate finish panel to it's mounting point. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Door Window Curtain to it's mounting point. Center molding. Liftgate Finish Panel. Sunscreen. Sunshade. Window Shade.