The Peterbilt 389 2011-2013 Cab Skirt is a practical and durable accessory made of stainless steel. It is designed specifically for models with a Cummings engine and features three amber LED lights on each skirt. Sold in pairs, this product includes all necessary hardware, lights, and harness. It mounts easily to the underside of the cab, although some drilling is required. With its compatibility with most Peterbilt 389 2011-2013 makes and models, this cab skirt enhances the appearance and functionality of your truck while providing added safety with its LED lights.