Upgrade your Peterbilt 386 with aftermarket deck plates and air line boxes built for strength, style, and everyday reliability. These heavy-duty components make it easy to organize your hookups, protect your frame, and give your truck a clean, professional finish that lasts. The deck plates in this lineup come in stainless steel, diamond tread aluminum, and smooth aluminum, offering both durability and versatility. Available in sizes ranging from 34" x 24" up to 120", they fit a variety of truck configurations. Reinforced edges and secure mounting hardware ensure a flush, stable installation that protects your frame and helps prevent wear from hoses, cables, and heavy use. The air line boxes are available in matching finishes'stainless steel, smooth aluminum, or diamond tread-and are designed for easy access and clean integration with your deck plate setup. Choose from recessed or flush-mount styles featuring multiple hookups for air, electrical, and lighting connections, keeping everything organized and protected from the elements. Pair your upgrade with Peterbilt 386 toolboxes, Peterbilt 386 filler panels and Peterbilt 386 frame steps. Built for over-the-road demands, these Peterbilt 386 deck plates and air line boxes combine rugged durability with a sleek, professional look.