The Kenworth W900L 2011 And Newer Aerocab Cab Skirt is a practical and durable product made of stainless steel. It is designed specifically for models with underbody DPF and comes with two amber LED lights on each skirt. The driver's side measures 51.67 inches long and 6.57 inches wide, while the passenger side is 51.67 inches long and 5.12 inches wide. This skirt does not have a block heater hole and is not suitable for day cab models with high-route exhaust. Sold in pairs, it includes lights, hardware, and harnesses. It fits most Kenworth W900L 2011 and newer makes and models.