Is that a "bus" style door like on diesel pushers? I had to replace mine, there was a label of the manufacturer that I had to order from. If it's a middle door that has a bracket on the body and on the door, you can get that at any RV store or online.
Hope that helps
Kent and Sally Lunda 2006 Newmar Mountain Aire 4141 4 Slide 400HP Cummins, Spartan Chassis, Hydro Hot 2016 Ford Explorer (Toad)
Living the dream until the money runs out.