yes they all interchange. the reason that the 92 model doors suck, as it was put, is because they use a cable setup to pull the latch, instead of the older rod and link setup. I have a 90 regular cab (maroon) on an 84 longbed 4x4 frame, with a 90 bed (Calypso green), tailgate from an 83 (Brown) 89 doors from a super cab (blue with silver bottom) with an 86 swb fueltank.I also put the wing windows from an 85 BII in to the doors shells from the 89 Supercab. So, yeah, they will interchange. Next question?