Shop for Deck Plates and Air Line Boxes for the Mack CV/GU Truck Model. This product lineup includes a wide selection of high-quality deck plates, air line boxes, and related accessories for Mack CV and GU model trucks. These durable, versatile components are designed to provide secure storage, convenient access, and a polished appearance to the underbody and cargo areas of Mack vocational work trucks. The deck plates come in a variety of sizes, materials, and mounting styles to suit different applications and preferences. Flush-mount, top-mount, and sectionalized options are available, with features like non-skid surfaces, recessed air line boxes, and cutouts for electrical and air connections. Popular material choices include diamond plate aluminum, stainless steel, and smooth aluminum. The air line boxes, in turn, offer multiple configurations to accommodate trailer air, electrical, and hydraulic hookups. Styles range from compact on-top designs to larger recessed units, with durable stainless steel and smooth aluminum finishes. Many incorporate LED lighting, and some include cutouts for visibility or accessibility. Whether you need to upgrade the functionality and appearance of your Mack work truck or equip a new one, our large inventory of products has the high-quality deck plates, air line boxes, and accessories to get the job done right. The products are built to withstand the rigors of tough jobs while delivering the organization, access, and visual appeal that professionals demand.