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I just had to replace original alternator in my 213k mile 2017.
I legit daily drive an 03 camry, the only thing that needed changing in my 2 years of owning it was the alternator.
For any other car it would be replace but it's a Camry, those items especially water pump and alternator generally needs replacing at 220k but as long as you replace them with OEM Toyota parts you'll be good for years to come.
I\u2019m 43 and only have had 3 cars in my life only Corollas and Camry. I get a new one around 250k miles. They are great reliable cars that run well with basic maintenance. Only wear and tear items have I ever replaced with the exception of an alternateer on one of my corollas at around 200k miles. As long as I can keep going to 250k I will keep buying them.
My last OEM Toyota alternator made it to 250K miles. My future non-Toyota ones failed because they were cheap remanufactured ones and later I found a failing harmonic balancer that was putting extra pressure on bearings of the alternator
Did this years ago in my 5th gen, not because of more Amps, but because for some dumb reason the Alternator for the Celica was $250 reman (back in 2014), but Camry's in the Junk yard with Good OEM Alternators were plentiful. That was after I had 3 reman alternators fail in less than 6 months, 2 being DOA!
Got a remanufactures duralast alternator. Worked for about a week and the died.
Reman alternator quality is in the toilet. Not uncommon to have to warranty an alternator once or twice.
I started having problems like my alternator was going bad again so I replaced it with a duralast alternator part number DL2618-6-11 because I had a lifetime warranty on it and it still didn't fix it so I was thinking it may be a wire shorting out was playing around with the wires that go to the alternator and the plug on the back that goes from the alternator to the PCM and it's started charging again ( I guess it finally connected the electricity) so I replaced the plug on the back of the alternator. It fixed it work for about a month then it happen again check charging system battery light on and battery going dead so I was done. I took it to the Ford place they wanted to replace the other side of the PCM to alternator connector which they did and the alternator so I got another AutoZone lifetime warranty alternator and when they did that they said everything is charging and running like it is supposed to be but your PCM is still throwing the battery light and check charging system because your alternator is charging at 14v and for the PCM to cut the light off it needs to be at 14.6 v. So they wanted to put another alternator on it because they said the alternator from autozone the voltage regulator wouldn't let it go to 14.6 volts. The car runs and drives and doesn't have any problems I just hate the light being on to be honest I have spent hours on the Internet trying to see if it's just these AutoZone alternators that aren't letting it get to the volts the PCM wants or not haven't found anything.
Duralast are shit alternator. See it time and time again people buy them and have more problems afterwards.
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If choosing alternator across many manufacturers, check the part ranking. If your choice is down to two brands, the PartReview part comparisons help.
We compare alternator across these categories:
In March 2026 on PartReview, alternator OEM Toyota were overall better than Duralast.
Alternator OEM Toyota and Duralast were equally popular according to data in March 2026.
By vote balance, alternator OEM Toyota surpassed Duralast:
By number of reviews, alternator Duralast surpassed OEM Toyota:
In March 2026, according to PartReview, alternator OEM Toyota led more car-specific ratings than Duralast:
OEM Toyota are chosen by owners of cars such as: Toyota Avalon, and others.
Alternator Duralast have not yet taken leading positions in car-specific ratings. You can help by adding a review and specifying your car.
If this comparison didn’t fully answer your question, there are many others on PartReview.
For example, comparisons of alternator OEM Toyota with: Denso, Bosch, VALEO, OEM Honda, OEM Volkswagen, AC DELCO, OEM FORD, OEM Audi, OEM Nissan, Motorcraft.
Also available: comparisons of alternator Duralast with: Denso, Bosch, VALEO, OEM Honda, OEM Volkswagen, AC DELCO, OEM FORD, OEM Audi, OEM Nissan, Motorcraft.
You can also see who is better among other alternator manufacturers: Bosch or Denso, Denso or Duralast, OEM Toyota or Denso, Bosch or Duralast, Denso or VALEO.