What alternator to buy?

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Old 10-25-2009, 03:35 AM
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Default What alternator to buy?

Just like the title says I need a new alternator for my 2000 LS1 WS6. I was wondering what brand and where to get one from. My first choice is going to local auto zone or oriley and get one from there just for the warranty(auto zone) but I have never bought anything like that from them. Any input is helpful. Thanks.
Old 10-25-2009, 10:43 AM
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Never buy an alternator from autozone or oriely. Mine lasted less than 12 hours. I got mine from o riely.
Old 10-25-2009, 12:28 PM
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Originally Posted by 02SStreetmachine
Never buy an alternator from autozone or oriely. Mine lasted less than 12 hours. I got mine from o riely.
Hmm! So where did you end up getting it from? Is the one from oriley the one you got now? I don't want to go to a stealership because those guys are ridiculous on their price, I spent 200 bucks on a damn power steering pulley and reservoir.
Old 10-25-2009, 01:51 PM
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Find an alternator/starter rebuild shop. That's usually the best bet.
Old 10-25-2009, 02:51 PM
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Me and a several others have had countless repeat failures with the aftermarket alternators, my NAPA one is doing pretty good, im going to send you a PM with a link to where you should get your alternator, its a GM alternator and not much more expensive than autocrap.
Old 10-25-2009, 03:50 PM
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I bought one off an Ebay store. Never had any problems with it. That was a few years ago though.
Old 10-25-2009, 04:09 PM
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O'Reilly's alternator in my T/A and O'Reilly's starter in my SS...zero problems.

~ Craig
Old 10-25-2009, 04:14 PM
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Originally Posted by CRAGER
O'Reilly's alternator in my T/A and O'Reilly's starter in my SS...zero problems.

~ Craig
x2 I have bought several Autozone and Oreilly alternators and starters and never had a return. I bought an Ac Delco reman Alternator for my 03 Gmc and it kept turning the battery light on and off and a check control message that said low charging voltage. I took it back and got another one and it was fine, but point of the story is that you can get a bad part from anywhere. My pick is for the lifetime duralast stuff, built to last, duralast!!!!!
Old 10-25-2009, 04:16 PM
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I have a 145 amp from a 2500 hd that will work with a longer belt, PM me if you're interested
Old 11-10-2009, 09:07 PM
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We'll thanks for all your input and advice. I found one on craigslist the day after it went out for 40bucks, the dude was aking 50 for it. So far is working as if it was brand spanking new!!!
Old 11-10-2009, 09:19 PM
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should have went with a truck alternator
Old 11-10-2009, 10:40 PM
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I would only buy the duralast gold from autozone. I bought an alternator from a 2k s-10 v6 pickup. Its the same except for a little higher output and the plastic cover on the back will need to be snapped off the old and on to the new. Not to mention they stock them and are 30-40 bucks cheaper. I've had mine on the car for 40K + miles and had no issues.
Old 11-11-2009, 06:08 PM
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orielys has lifetime warranty on parts if i remember correctly
Old 11-12-2009, 06:18 PM
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Originally Posted by Dirty 30
should have went with a truck alternator
Well what would have been the differene? By the way the one I bought has "Delphi" in front og it, is that a good alternator? It's working perfectly fine for 40 bucks.
Old 11-12-2009, 07:03 PM
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Originally Posted by Taspeed
I would only buy the duralast gold from autozone. I bought an alternator from a 2k s-10 v6 pickup. Its the same except for a little higher output and the plastic cover on the back will need to be snapped off the old and on to the new. Not to mention they stock them and are 30-40 bucks cheaper. I've had mine on the car for 40K + miles and had no issues.
I meant one off the newer V8 Silverado/trailvoy/tahoe's with the 145amp alternator.
Old 11-12-2009, 07:04 PM
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Originally Posted by zamora7
Well what would have been the differene? By the way the one I bought has "Delphi" in front og it, is that a good alternator? It's working perfectly fine for 40 bucks.
the amps should be engraved on the top



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