The 81 cj-7 was a half year. there were to were two types of doors produces. the only difference i know of is the fact that the sheet metal is thicker in one the hinges are different is some way. Need to know how to tell difference?
The difference is in the headlights. The CJ 7 has a narrower set of headlights. You can also tell by the bumper. The CJ 7 has a metal bumper, whil the other doesn't.