* If you mean a transmission from a 2WD K1500: Yes, a transmission from another 2WD 1993 K1500 (or a very close year model) will generally fit. However, you still need to verify the transmission's specifics (e.g., automatic vs. manual, specific model number) to ensure compatibility.
* If you mean a transmission from a vehicle *other* than a K1500: It's much less likely to be a direct bolt-in. Even within the GM family, there can be significant differences in transmission mounting points, bellhousing patterns (how it attaches to the engine), and input shaft lengths. You'd need to do extensive research and possibly custom fabrication.
In short: A 2WD transmission from a similar year K1500 is a good bet. Anything else requires a deep dive into compatibility charts and potentially significant modification.