At 4 State Trucks, we offer a wide range of International WorkStar Deck Plates and Air Line Boxes. Our durable deck plates ensure a seamless finish, while our airline boxes provide reliable connections for air and hydraulic systems. Products include the 18-inch Sectional Deck Plate Filler with Recessed Airline Box, Stainless Airline Box with 2 Cutout Options, and the On-Top Air Line Box with Trailer Air, Hydraulic Hookups, and 7-Way Hookup. Shop now for quality International WorkStar parts and accessories.