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.
Frequently Asked Questions About Mack CV/GU Truck Deck Plates & Air Line Boxes
What are deck plates and air line boxes used for on a Mack CV/GU truck?
Deck plates and air line boxes are mounted on the back of the cab or at the rear of the frame to organize and protect the electrical connections, air lines, and glad hands that link the tractor to the trailer. The deck plate provides a mounting surface for these components while the air line box shields the hose connections from road debris and weather.
Will a replacement deck plate or air line box fit my specific Mack CV or GU model year?
Most deck plates and air line boxes in this category are designed to match the factory mounting points and dimensions used on Mack CV and GU series trucks, but exact fitment can vary by model year and cab configuration. Check the listed specifications and part numbers against your truck's existing setup, or contact our sales team with your VIN or truck details to confirm compatibility before ordering.
What materials are these deck plates and air line boxes made from, and which is the better choice?
These parts are typically available in steel, aluminum, or stainless steel. Steel options are durable and budget-friendly but can be prone to rust if the finish is compromised. Aluminum is lighter and naturally corrosion-resistant. Stainless steel offers the best combination of strength and long-term corrosion resistance, along with a cleaner appearance, though it usually comes at a higher price point.
Are these deck plates and air line boxes easy to install, and what tools will I need?
Installation generally involves removing the old unit and bolting the new one into the existing mounting holes, so basic hand tools such as wrenches and sockets are usually sufficient. Depending on your setup, you may need to disconnect and reconnect air lines and electrical connectors, so it helps to label or photograph the original wiring and hose routing before you start.
How do I keep my deck plate and air line box looking good and functioning properly over time?
Regularly clean off road grime, salt, and debris to prevent buildup around the air line and electrical connections. Inspect mounting bolts periodically to ensure everything stays secure from vibration, and touch up any chips or scratches on painted or coated finishes promptly to reduce the risk of corrosion starting underneath.
