SKS question re: parts commonality

Hey guys- basic SKS question here:

I have a line on a nice Tula SKS, and another on a much newer Yugo (not sure of the vinatge on the Yugo). Given the prices on both, and the potential for dark times ahead, I am actually considering getting both rifles.

So, my question is, how much parts interchangability is there between these 2 rifles?

anyone? :confused:

Bolt and carrier probably would, piston, tappet, and recoil spring…maybe.

The mag bodies should as well.

Stocks and barrels, no.