If the two cars use the same engine (2.3 litre L-4 for example) the "cats" should be identical. A careful visual inspection, side by side, will point out any differences in size and configuration. If...
Other than tires and wiper blades, not many parts will fit.
And I'm not even sure about those.
The cars are so different, and don't share a common "platform".
In short: The Tempo's not...
If it came equipped with power locks, it's possible the lock actuators seized up and it's impossible to lock/unlock them depending on which they were before they seized.
My drivers rear door lock...