The internal structure of the door is different 1989-92, the door has provisions for a 5" speaker
Avoid Vent window doors, the vents don't work for shit, (other than make a lot more wind noise) have a frame that rusts and in rainy weather they leak!
Additionally the vent window doors don't control the motion of the glass as well as the non vent window doors.
You'd think with that front frame the window would be guided by the track... it isn't,
the top front corner of the only engages the track in the last two inches of upward travel and because of aerodynamic effects it is often impossible to close the window completely if you are going faster than 60-65mph, because aerodynamic forces "suck the windows outboard of the front track and if you keep cranking you can break the glass.
Lastly the vent window frame obstructs vision compared to the non-vent doors.
As for power windows? be aware that the entire wiring harness must be changed out to install them and the motors and their attached gearboxes are failure prone
Absolute last note.
Avoid doors from a 1992 unless you plan to rob the latch assembly and internal latch handles from an '89-91.
1992 ONLY ford used a pull cable that is breakage prone.
all earlier doors used a push rod that is far more reliable
AD