brand may not matter...
make sure axle length is right.
Put both on a bench and Compress the inner CV.
See my Cave, Axle
While has a list for length. Check them side by side is best.
Even then Do Not give or return the core until the job is done and tested. Many "rebuild" axles have problems right out of the box.
Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should.
The Ogre's Fiero Cave