MEGA CAB. Roof lamp assy nut. A Nut that attaches the molding to the fender. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Clearance Lamp Assembly. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Dome Lamp. Door Interior Trim Panel Nut. Nut that holds the Door glass run channel to the Door frame. Rocker Panel Molding Nut. fastener. Interior. retainer. Clearance Light Assembly. Dome Light. Fender Molding. Glass run. Rocker molding. Roof Lamp lens. Snap IN. Window Channel.