doors on Square body!!!

[Dually63dude]

what yrs door are interchangeable on the square body also will door from the 2/3/5 tons work on the pickups?? thanks in advance

[KQQL IT]

73 - 75
76 - 87 as far as I know.
Have 84 doors on a 73

And 2 ton up should fit and follow squarebody years of door panels.

[smupser]

All 73-87 doors are interchangeable, the only things that aren’t are the door panels as the inner skins changed in 77’. But the outer shells are exactly the same. I do know 81’ and up doors have some internal parts that are also different. But sheet metal is the same

[Honest Bob]

I think the glass is thicker in the earlier years and got thinner in the 80's.

[mongocanfly]

and dont forget doors up til 91 are squarebody also ,,on duallys ,suburbans, and blazers

[TotallyHucked]

All squarebody doors are interchangeable, technically. '73-76 are manual only with smaller door panels. '77-up have larger door panels and provisions for both manual and power windows and locks. The glass was thinner in the '81-up trucks but all the gaskets/seals are the same, it was only a millimeter or two difference

[KQQL IT]

Oh and 73-75 have a better door handle.
The back is smooth where you pull it to open