The Kenworth W900L 2011 and newer cab skirts for step DPF model are made of stainless steel, ensuring durability and longevity. These cab skirts are designed specifically for models with step DPF, providing a perfect fit. The driver's side skirt features a block heater cutout, while both panels have cutouts for courtesy lights. Each cab skirt is equipped with three amber LED lights for enhanced visibility. With dimensions of 51.67 inches long and 6.57 inches wide for the driver's side and 51.67 inches long and 5.12 inches wide for the passenger side, these cab skirts are compatible with most Kenworth W900L 2011 and newer makes and models. Please note that they are not suitable for day cab models due to high-route exhaust. Sold in pairs, these cab skirts come with all the necessary hardware, lights, and harnesses included.