Shop for Cab and Sleeper Panels Designed to Fit the Kenworth T300-T450 Truck Model. Experience a more comfortable, better-looking interior with aftermarket cab, sleeper, and cowl panels. You can choose from stainless steel, aluminum, or custom-sized options with pre-drilled light holes for a polished look. Add functionality with panels featuring built-in lighting and support brackets. Perfect for replacing worn parts or giving your truck a fresh, customized style. Built to last and made to shine!