Our steel door skins are repair panels that replace your rusted door bottom or entire door. We offer both full door shells as well as just the door bottoms. The bottom of vehicle doors are prone to rust due to the amount of road grime, salt, and water spray that your tires spray. Another type of panel we carry is an inner door bottom. This repair panel replaces the rusted area on the lower inside bottom of the vehicle's door. You can rely on our quality panels and discount prices to help you finish your project.

Mill Supply has been the #1 supplier of step van parts for over 30 years. If you have a Workhorse, Utilimaster, Grumman, Morgan Olson, Supreme, International or other type of walk-in van you have landed on the right page. You will not find a more complete listing of parts for stepvans anywhere! With research and development on-the-go, new products are constantly being added to keep up with the growing industry. You can count on great customer service, fast shipping, and discount prices when you shop with us. It doesn't matter if you use your truck on-the-job, for deliveries, or run a food truck, you can count on Mill Supply to keep your vehicle in top shape. We distrubute parts for Todco, Whiting, Velvac, and Kason. If you have any questions don't hesitate to either contact us via email or give us a call at 800-888-5072 between 8:00 a.m. - 5:00 p.m. E.S.T. and one of our experienced representatives will be happy to help you.