The Roadworks Peterbilt Style Box Replacement Top is a practical and efficient solution for your Peterbilt 389. Made from durable stainless steel, this replacement top cover is designed to fit perfectly on DPF Boxes without an exhaust cutout. With its sleek design and easy installation, this product offers a seamless replacement option for your truck. Each top cover is sold individually and is specifically designed to fit Peterbilt 389 DPF Boxes. Upgrade your truck with this reliable and functional replacement top cover.