Can a 1989 ford crown Victoria Transmission fit in 1993 car?

It's unlikely a 1989 Ford Crown Victoria transmission will fit a 1993 Ford Crown Victoria without significant modifications, if at all. While both are Crown Victorias, Ford made changes to their transmissions and drivetrains over those four years. The bolt patterns, bellhousing, and even the electronic controls might be different, rendering the swap incompatible.

You'd need to compare the specific transmission codes (found on a tag on the transmission itself) of both vehicles to determine compatibility. Even then, it's a risky proposition without expert mechanical knowledge. It's far more likely that finding a used transmission from a 1993 Crown Victoria (or a very close model year) would be a much more straightforward and successful repair.