I don't know. My 40 is missing all of the heater parts and the ones I see online are tagged as fitting 73-80 and look like the one you have, but I don't know what was in earlier or later trucks.
I bought this rotisseries from @xtiaan2000 a couple years ago for a planned project I’m changing directions on. Sized perfectly for a pig. Asking $500 which is what I paid for it. Driving from Seattle to LA area next week and can throw it on the trailer and meet up along the way. You can see it...
The fenders or pending sort of - let me check with the other guy and have him commit or back away.
The same guy was also thinking to get the front floor pans I have posted up, so I'll find out for sure.
I do have rear floor pans posted here :For Sale - Price reduced. Seattle area. FJ55 rear...