The Peterbilt 378, 379, 388, and 389 1987 and newer rear air cleaner light bar is a practical and functional accessory for your truck. Made from stainless steel, this light bar is designed to fit standard 15-inch premium Donaldson or Vortox cans. Each bar features six red 2-inch round starburst lights, providing enhanced visibility on the road. Measuring 20.25 inches long with a 7.25-inch mount, this light bar is sold in pairs and includes lights, hardware, and a harness with Packard plugs. It attaches easily to brackets between the cab and the air cleaner on both sides, fitting most Peterbilt 378, 379, 388, and 389 1987 and newer makes and models.