Shop for Aftermarket Door Cab and Side Door Accessories for the Kenworth T300-T450. It's easy to upgrade your interior cab space with our lineup of products. Shop from chrome door handles and window trim to stainless steel chop panels and ventilated deflectors, this product lineup has it all. Boost style, airflow, and visibility with options for T300, T600, T800, and W900 models. Customize your truck and take it to the next level!