Anything you can get from a parts store is made in china or mexico. They have a lifetime warranty so if you don't mind changing them a little sooner than normal, go for it. But if you want the best option, you may want to try to hunt down an AcDelco or something.

 

We don't have an Advance here, so I guess I'll go with the AZ one. Only reason I'm not real worried about it TOO badly is, I'm hoping to do a 6.0 upgrade in the future anyway. THEN we'll get down to "best of the best" stuff. Thanks everyone for your input

 

fyi it's the same water pump. So if you wanted to save money and just go ahead and get a good one, you'd be fine in doing so.