Alternator Denso or Duralast

Denso Alternator

My local NAPA had [Denso remanufactured alternators in stock](https://www.napaonline.com/en/p/DEN2100511), vs the standard parts store brands everyone else carries. They're about $200+core, so a bit more expensive, but cheaper than Honda

Pros: cheaper than Honda
Cons: more expensive
Part number: DEN2100511
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Denso Alternator
Hochstradamus
  • Warning light:
Rating 4.0

Got a Denso Reman, and my mechanic installed it and kept the car for a week to test. So far so good.

He commented that before the alternator replacement, volts would go low when the engine was warm. Now they're pretty stable.

Pros: volts are stable
Cons: volts low when warm
Vehicle: Lexus
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Denso Alternator

These cars have a lot of electronics. A cheap alternator might not be able to handle the load as well. I sell parts for a living and definitely recommend going with a denso instead.

Pros: Denso is recommended
Cons: cheap alternator not recommended
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Denso Alternator
Select-Grand8121
  • Warning light:
Rating 5.0

I used a Denso re-manufactured unit through Napa on a 2014 Camry a few years ago. Many short trips as it gotten 4 teenagers through high school. Still going strong.

Pros: still going strong
Vehicle: Toyota Camry
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Denso Alternator
Thisisamericamyman
  • Warning light:
Rating 5.0

Only only only get oem alternator. They won’t last otherwise. I believe the brand is denso. Other brand only lasted 3 months in mine.

Pros: OEM lasts longer
Cons: other brands failed quickly
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Denso Alternator

Get the denso reman. Most reasonable option vs buying a new denso at the dealer. Main difference is no Honda logo otherwise absolutely identical.

Pros: reasonable option, identical quality
Cons: no Honda logo
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Denso Alternator

Don't buy a Remanufactured They Always Whine And Won't work the first Time Buy Them New From Denso

Pros: Buy new Denso
Cons: Remanufactured always whine
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Duralast Alternator

I purchased a Duralast 115A Alternator 14921 (remanufactured) which, once we moved the pulley and fan from old to new, it mounted up without a hitch. Once the battery was charged I connected everything up and she started right up. However, the voltmeter was hanging around 12V so we put a multimeter on the battery and only saw 12V+/-.

Pros: mounted up without a hitch
Cons: voltmeter hanging around 12V
Vehicle: Porsche
Part number: 14921
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