The Peterbilt 579 2013 And Newer Cab/Sleeper/Extender Kit With Lights is a practical and versatile solution for your truck. Made from stainless steel, this kit is designed specifically for underbody exhaust models. Each skirt is equipped with amber/clear LED lights, providing enhanced visibility and safety. With a width of 2.5 inches, it fits most Peterbilt 579 2013 and newer makes and models. The kit includes cab skirts, 72-inch sleeper skirts, hardware, lights, and harnesses, making it a comprehensive package. The driver side skirt even features a block heater cutout. Upgrade your truck with this reliable and functional kit.