Oh, and yes the AP's are made in Mexico.

I agree.It seems to me like the majority of them have AP on the casting they use, but the other parts do not appear the same.
This could mean the bearings, springs, wear points are lesser quality even if they use the same casting for the base, it's hard to know for sure.
I won't buy duralast, I used them when I was younger and got tired of using the warranty every year for stuff I bought at autozone. I'd rather not have to put a new one on even if it's on warranty.
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