I just had to replace original alternator in my 213k mile 2017.
Pros: long lifespan
Vehicle:
Toyota Corolla
Mileage: 213000 km
Owner reviews for alternator
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I’ve used denso remans and not had issues
Pros: no issues
Please please please, get a remanned or new Denso. Do not buy anything else. You WILL regret it.
Unless you love electrical quirks and replacing alternators, get a Denso.
Pros: avoids electrical quirks
Cons: other brands cause issues
Vehicle:
Honda Civic
I ordered a new (reman) denso alternator from RockAuto and also got a replacement alternator belt too. I\u2019m almost done with the job (took out the old alternator, mounted the new one) and it\u2019s been surprisingly easy, just a matter loosening 3-5 bolts and fiddling with a belt.
Pros: surprisingly easy, straightforward
Vehicle:
Toyota Sienna
For the alternator I would only go with a reman denso personally
Pros: reman denso
Vehicle:
Honda
I had an 08 Rio that I bought used in 2011 barely used. It was good for a couple of years but once things started to go it was one thing after another. Alternator twice, the starter.
Pros: good for a couple years
Cons: alternator failed twice
Vehicle:
Kia Rio
I replace just as many aftermarket alternators that are 'new', as I do 10+ year old OEM. Aftermarket alternators, unless denso's, fail often.
Pros: OEM alternators are reliable
Cons: aftermarket alternators fail often
And try and go with the Denso. Some of those are Chinese sweatshop garbage.
Cons: Chinese sweatshop garbage
Vehicle:
Honda
And assuming that the alternator is the issue, hope you get an oem good part or a used one, on nissan altimas/maxima Remans are bad.
Pros: oem good part
Cons: Remans are bad
Vehicle:
Nissan Altima
I have one with 44k miles sitting in the garage right now with a bad TPS and an oil leak.
The last drive down the street saw me with a dead alternator and blown alternator fuse. Replacing those two resulted in the above surprises afterwards.
Even replacing the alternator is a half day knuckle busting job assuming you know what you are doing.
Cons: bad TPS, oil leak
Vehicle:
Mitsubishi
Mileage: 70811 km
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