I had a local mobile glass company repair a rear window broken accidentally by the caretaker at my storage yard. When I went through the online listings for glass companies, I looked for "RV" in their service listings. I found a guy who came out to my trailer, measured the window and took a piece of the broken glass a a tinting sample, made the new safety glass, came back to the trailer, and popped it back into place without having to remove the frame. His bill to the caretaker was $230 as I remember.
My brand of windows is "Hehr". As I remember when this happened, they had replacement window glass listed on the internet. You will need measurements.