Enhance your Peterbilt 389 Glider with durable, customizable deck plates and air line boxes built for serious performance and a polished, professional finish. These aftermarket components help you organize your hookups, protect your frame, and give your truck a sharp, custom look that reflects your pride on the road. Choose from stainless steel or aluminum deck plates in smooth or diamond tread finishes, available in multiple lengths and configurations. Aluminum offers a lightweight, paintable option, while stainless steel provides a corrosion-resistant, mirror-polished shine. Each plate is built to handle the demands of daily use while improving traction and safety when climbing or performing maintenance. The air line boxes are available in recessed, on-top, and flush-mount designs, with cutouts for air, electrical, and hydraulic hookups. These boxes keep your lines organized and protected while providing quick, easy access to connections. For complete customization, many options feature modular layouts that can be tailored to your specific trailer setup. Pair your upgrade with Peterbilt 389 Glider toolboxes, Peterbilt 389 Glider filler panels and Peterbilt 389 Glider frame steps. Perfect for owner-operators, fleet managers, and custom builders, these Peterbilt 389 Glider deck plates and air line boxes combine long-lasting durability with show-quality style. Whether you're optimizing your setup for efficiency or enhancing your rig's appearance, this lineup delivers the right balance of form, function, and road-ready toughness.