The Semi-Truck Bezels, Grommets & Wiring Universal category offers essential parts for upgrading or customizing your truck?s lighting and wiring systems. Key products include: - Chrome and stainless steel bezels, grommets, and brackets for headlights, marker lights, and turn signals - Wiring components like plugs, pigtails, and harnesses for powering lights and accessories - Trim pieces such as visors and guards - Specialty items like load resistors and adapters for LED and aftermarket lights These high-quality components are compatible with popular truck models like Peterbilt, Kenworth, and Freightliner and are easy to install with plug-and-play options.