Learning something new everyday! I always thought that all 2Fs used the same alternators except for the plug change starting in '78. Didn't know that non-US markets used F alternators. That's great information.
Here are the part numbers I found for the front:
3/'69 to 8/'73 (with vent window):
68170-90351
Apparently a single part number for both sides
9/'73 to 7/'80 (without vent window)
LH 68170-90352
RH 68130-90352
It seems odd that the earlier inner felt isn't sided, and the rears aren't sided...
By now I get that the program is geared toward JDM; however, it wasn't marketed as such when the program was first announced to much excitement.
I also question the point of having a JDM program, as there are very few 40 Series Land Cruisers in Japan. The vast majority of these vehicles were...
Rear door inner felts are the same for all years, so all good there.
Still need measurements for '74 and later front. I believe the pin distances are the same, so the specific measurements needed (in mm) are:
Overall length of the front inner felt
Distance from the right edge to the nearest pin...