Most Duralast stuff is made off shore - much of it by Wells Manufacturing. But, sometimes OEM parts are repackaged under the Duralast label. The only way to know is by looking at the brand cast into the body of the part. I doubt whether AutoZone would know without breaking the package open. So far, I have had very good service from Duralast parts, which look like OE clones. Of course, everything is subject to change.
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