can I use a passenger side motor mount on the driver side of the car? vice versa?

 

I have 2 1uz's but both driver mounts are broken and both passenger mounts look fairly new with no signs of stress..so if it is possible I have the parts to swap over

 

I believe you can since they have the same part number.

 

Yes, 90-94 at least, left and right mounts are the same part.
But it can be a lot of work to remove and replace, and maybe the passenger side ones are not as new as they might look before you remove them.
I replaced both on my '91 with OE parts. I don't recall significantly different wear on left vs. right. Dramatic improvement in smoothness after that job (and did the AT mount as well at the same time).

 

thanks for the info!