I have an original rear window for a 1953 pickup. I think it will fit a 54, too. I had a 54 and bought a 53 parts truck, which I believe this window came out of. It has the original Fo Mo Co script bug, with what looks like the letters SUNX under it. My attached photo of this is not terribly clear, unfortunately. The window is 50" wide at the bottom and 10" high. We would have to figure out shi...