Introducing the Tool Box / Dpf Cover for Peterbilt trucks. Crafted from premium 304 stainless steel, this angled cover measures 40.75 inches by 12.5 inches, ensuring a perfect fit for most Peterbilt 388 and 389 series trucks with a 123-inch BBC. Designed for practicality, this high-quality cover is sold individually and offers excellent durability. Protect your truck's toolbox and DPF system with this reliable stainless steel cover, providing long-lasting performance and a sleek appearance. Upgrade your Peterbilt truck with this essential accessory today.