what is the difference between these axle seals???
 

im rebuilding my 94 rear end, jim ellis mazda parts list 2 axle seals (stub shaft seals) anyone know whats the difference ??

parts numbers
MA02-27-238A
M0A1-27-238A

the rear end is a torsen with stub shafts if that matters

You want the earlier one. As far as I know, the newer one has a metal lip that interferes with the metal lip on the stub shafts. Its meant for one piece axles that have no lip.

This is the first I've heard about both being available.

well i just ordered the MA02-27-238A's ill see what comes in, im replacing my axles as well so if i have to i will get newer 1 pc axles. Is there a benifit to the 1pc over the stub shafts?

weight, exhaust clearance, and you loose a man made possibility of a failure point? That's all I can think of.

You can trim the metal lip off easily with tin snips. It's just there to keep dirt out.