The Kenworth W900L 2011 And Newer Aerocab Cab Skirt is a practical and beneficial addition to your truck. Made of stainless steel, this cab skirt is designed for models with underbody DPF and fits most Kenworth W900L 2011 and newer makes and models. With a length of 51.67 inches on the driver's side and 6.57 inches wide, and 51.67 inches long and 5.12 inches wide on the passenger side, these panels are plain and sold in pairs. Hardware is included for easy installation. Please note that this cab skirt will not fit day cab models due to high-route exhaust.