The Peterbilt 378, 379, 388, and 389 2005 and newer Donaldson Rear Air Cleaner Light Bar is a practical and efficient addition to your truck. Made from stainless steel, this light bar is designed for standard 13-inch can models. Each light bar includes 6 red LED lights, providing enhanced visibility. Measuring 20.5 inches long with a 2.63-inch mount, it is sold in pairs and comes with a wiring harness with Packard plugs and bezels. Easy to install, this light bar attaches to the brackets between the hood and the air cleaner on both sides, fitting most Peterbilt 378, 379, 388, and 389 2005 and newer makes and models.