The Peterbilt 378, 379, 388, and 389 1987 and newer rear air cleaner light bar is a practical and functional addition to your truck. Made from stainless steel, each light bar features 6 red/clear LED lights, providing enhanced visibility. Measuring 17.86 inches long with a 4.34-inch mount, it easily attaches to the brackets between the cab and the air cleaner on both sides. Sold in pairs, this light bar includes lights, harnesses with factory ready plugs, and hardware. Designed to fit most Peterbilt 378, 379, 388, and 389 1987 and newer makes and models, it is a reliable and convenient choice.