A few years ago I had problems with two doorhinges of my old MINI MK IV.
The problem was solved after an information that the VW Beetle pins would fit with a little bit bigger wholes.
So the diameter and the length of the pins would be helpful. To change from imperial to metric can also be a step forward.
May be something like this:
https://www.werk34.de/de/tuerscharnierbolzen-passend-bis-07-67-standardmass-831-111-421.htmlGreets René