Shop Kenworth T680 Deck Plates & Air Line Boxes at 4 State Trucks. We offer high-quality steel and aluminum deck plates and air line boxes to enhance your truck's functionality and appearance. Keep your essentials organized with durable, sleek products including battery boxes, steps, and panels. Enjoy fast shipping and great deals. Enhance your Kenworth T680 with the best deck plates and air line boxes from 4 State Trucks.