72-74 doors are the same. Accept Fiberglass or metal screw on panels only

75 doors are a one year deal. Will fit. First year of plastic clip on door panel. Will accept any door panel.

76-80 doors have the recess around the exterior door handle.

72-77 have the early vent window lock.
78-80 have the push button vent window lock
These can all be swapped.
Some later years have riveted in window regulators.

As far as fit, any 72-80 door will bolt on and function

Regular cab, crew cab, Ramcharger and club cab doors all interchange