Peterbilt 357/378 Deck Plates & Air Line Boxes: Sturdy, Reliable, and Versatile Solutions for Your Truck Needs Whether you're looking to upgrade the appearance and functionality of your Peterbilt 357 or 378 truck, our comprehensive selection of deck plates and air line boxes has you covered. Crafted from high-quality materials like stainless steel and aluminum, these products are built to withstand the demands of life on the road. Deck plates provide a durable, slip-resistant surface for your truck's bed, offering both aesthetic and practical benefits. Choose from a range of sizes and finishes, including diamond plate and smooth options, to complement the style of your Peterbilt. Our air line boxes, meanwhile, provide secure and convenient storage for your trailer air and electrical connections, keeping them organized and easily accessible. Whether you're looking to upgrade your rig's appearance, improve its functionality, or both, our Peterbilt 357/378 deck plates and air line boxes are the perfect solution. With a focus on quality, durability, and versatility, these products are designed to meet the needs of even the most discerning truck owners and operators.