For my personal vehicles, I replace alternators at 100K with Remy or Denso new alternators and have never had an issue and I save a lot of money by waiting a couple of days.
Pros: never had an issue
Mileage: 100000 km
Owner reviews for alternator
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Nippondenso (Denso) is what I would choose, I believe this is the OEM manufacturer.
Pros: OEM manufacturer
I would get Denso
Vehicle:
Honda
If I’m correct Delphi was the original manufacturer for factory GM alternators around the time. 140,000 miles on my 2000 Buick Century still on its original Delphi alternator.
Pros: original manufacturer
Mileage: 225308 km
Replaced the 2017 ACDelco alt with a Duralast Gold 160 Amp. Life time warranty. For 200 bucks at Auto zone. Hope this is the last one I buy.
Pros: lifetime warranty
Sorry for the late reply. just to go ahead and close this out, it was a bad alternator. Took the 400 dollar hit to my wallet and bought a new one. Spent a few hours yesterday replacing it. So far I've driven it about 30 miles without the battery light coming back on. Thanks everyone for the help.
Pros: battery light not on
Cons: bad alternator
Vehicle:
Volkswagen Jetta
Step up and buy a Bosch. Yes, they do fail, but the odds are much less.
Pros: more reliable
Cons: can fail
I bought a Bosch rebuilt alternator from ECStuning and installed it last night. The light however has stayed on.
Cons: light stayed on
Vehicle:
BMW
I've seen it twice, both had alternators. The first was a Chevy truck. I was standing right there but didn't speak up fast enough and it took out the alternator.
Cons: took out the alternator
Vehicle:
Chevrolet
So, OK, ended up getting a Bosch Reman from IMC, installed it to find out it was only producing 10Volts @ idle. Took it back out, and installed an Ultima which put out 14Volts @ idle.
Pros: Ultima worked well
Cons: low voltage at idle
Vehicle:
Volkswagen
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