The Peterbilt 389 2011-2017 Passenger DPF Box Cover Kit is a practical and efficient solution for your truck. Made of stainless steel, this kit includes upper and lower panels that eliminate the need for one bolt during cab skirt installation. It is sold as a set and attaches easily using existing hardware and supplied silicone. Designed to fit most Peterbilt 389 2011-2017 makes and models, this kit offers durability and convenience. Upgrade your truck with this stainless steel cover kit for a sleek and functional addition.