Reflector panel grommet. A component that usually provides cushion / insulates the Tail Lamp Assembly from its mounting surface. A rubber ring with a hole in the center which provides protection through which Backup Lamp Assembly related components pass through. A rubber ring with a hole in the center which provides protection through which Reflector Panel related components pass through. Tail Light Grommet. Assembly bushing. Back Up Light. Fastener. Light Assembly Insulator. Panel.