Alternator Denso or Duralast

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Reviews found: 0
Duralast Alternator
Av8Surf
Rating 4.0
  • Warning light:

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
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Denso Alternator
cartoucheruperer
Rating 4.0
  • Warning light:

Had the same issue with a reman denso alternator that went in a Honda, it was the cheap diode/rectifier pack that was fitted that was causing the bat light to stay on.

Pros: cheap diode/rectifier pack
Cons: bat light stay on
Vehicle: Honda
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Denso Alternator

As some others have said, make sure you only get the remanufactured Denso alternator. No other alternator seems to work.

Pros: remanufactured Denso alternator
Cons: other alternators don't work
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Duralast Alternator

Right on schedule, about 7 months later, that reman also went out and I decided to pay more to get the Duralast Gold which is all new. That one lasted about a year and a half but then the bearings went out on it, but I don't think that issue was the alternator's fault because after I replaced it, I found out the Harmonic Balancer had lost its integrity and was wobbling a little. Again, not sure what caused what (did the bearings put extra pressure on the aging balancer or did the balancer go out and damage the alternator?), but all I can say is that since replacing the harmonic balancer and using the Duralast Gold alternator, I have not had any issues for over 2 years now.

Pros: lasted a year and a half
Cons: bearings went out
Vehicle: Toyota
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Duralast Alternator
larrymoencurly
Rating 2.0
  • Warning light:

When I lived in walking distance of a 24-hour AutoZone, there seemed to be more people waiting in line to get their lifetime-warranted DuraLast alternators replaced than for battery replacements.

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Denso Alternator
Jogman95
Rating 1.0
  • Warning light:

I replaced my original alternator (which is also denso out of the factory) with a brand new denso alternator. Should be the exact same thing as the factory alt. It's not working at all. Battery is not staying charged. Had a complete diagnostic done by Honda and they said it is the alt. Kinda disappointed I waisted $700.

Cons: not working, battery not charged
Vehicle: Honda
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