OEM Master and Slave Cylinder

[Brunoboy]

Ok so I keep replacing the master and slave cylinders with Autozone/Kragen etc... it has not fixed the problem and I have came across this page:
click

So I ask the question of, since it seems the internals are the difference, and not the housing. Would an OEM Rebuild kit for both fix my problem? OEM Rebuild kits if I am right, contain EVERYTHING needed for a full rebuild including the rods. What do you guys think of this, instead of buying new full assemblies?
-Shane