Passenger DPF Box Covers For 2010-2017 Peterbilt 388 models. Passenger side upper and lower panels. Add to wishlist Part # : MD5623 Categories: 388/389 Short Hood (123" BBC), Battery, DPF & Toolbox Covers, Peterbilt Truck Parts & Accessories Tags: box cover, d, dpf box cover, Peterbilt 388 dpf box cover ❮ ❯ Product Information Product Information Designed for 2010-2017 Peterbilt 388 models. For the passenger side. Sold as a set, upper and lower panels. Uses existing hardware and supplied silicone. IIPB034 For ordering or pricing information, please visit your local Peterbilt dealership.