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Spare parts reviews ➔ All comparisons ➔ OEM Audi ➔ Denso

Alternator OEM Audi or Denso

Reviews
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OEM Audi
Denso
Denso › Alternator
Kye7
Rating 5.0

I have a 2005 XLS and upgraded to the 130a one, no issues at all. I bought a Denso (oem) one on rockauto for $170, sent my old one and got $40 back. The Toyota one (also denso) was like $450. The 130a was actually cheaper than the 100a too. Did it myself in about 3 hours

Pros: no issues, cheaper than OEM
Vehicle: Toyota
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Denso › Alternator
almeida8x1
  • Warning light:
  • Lights:
Rating 5.0

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
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Denso › Alternator
garibaldi18
Rating 5.0

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
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Denso › Alternator
No_Inspection649
  • Warning light:
Rating 4.0

Denso or straight from a Honda Dealership (Denso). Today's aftermarket and remanufactured parts often leave quite a bit to be desired. You may pay a little more, but legit Honda parts won't let you down like the others.

Pros: legit Honda parts
Cons: aftermarket parts undesired
Vehicle: Honda
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Denso › Alternator
J35XP3RT
Rating 3.0

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
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Denso › Alternator
prodigious-burrito90
Rating 3.0

Alternator went out a few days ago, replaced it with a remanufactured Denso from rockauto. It was a pain to install , now I'm getting code P0335 for crank position sensor. Car turns over and cranks but does not want to turn on .

Cons: pain to install
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Denso › Alternator
ConstantMango672
  • Noise:
Rating 2.0

As someone pointed out, don't expect the 150 dollar alternator to last that long. I threw on my 4runner a few months back because that's all that was in stock locally and I'm gonna have to replace it again, it's already whining. I'd definitely spend $350 or whatever it is on a denso unit

Pros: Denso unit is better
Cons: cheap alternator failed
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Which alternator to choose — OEM Audi or Denso?

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:

Comparison of alternator OEM Audi and Denso
  1. PR Score.
  2. Overall ranking.
  3. Vote balance.
  4. Average rating.
  5. Number of reviews.
  6. Feature ratings.
  7. Car owners’ choice.

Which alternator are better — Denso or OEM Audi?

In March 2026 on PartReview, alternator Denso were overall better than OEM Audi.

  1. OEM Audi received a PR Score of 50 out of 100, and Denso scored 81 point.
  2. OEM Audi ranked 15 in the overall ranking, and Denso ranked 1.
  3. The average rating is higher for Denso (4) than for OEM Audi (2.8).
  4. Alternator Denso have better feature ratings than OEM Audi:
    • Warning light - owners believe, that this property for Denso is better than OEM Audi.
    • Lights - drivers claim, that this property for Denso is outperforms OEM Audi.
    • Noise - reviews suggest, that this property for Denso is preferred to OEM Audi.

Which alternator are more popular — OEM Audi or Denso?

In March 2026 on PartReview, alternator Denso were overall more popular than OEM Audi.

By vote balance, alternator Denso surpassed OEM Audi:

  • For OEM Audi, the ratio of positive (42) to negative (42) votes is 0 votes.
  • For Denso, the ratio of positive (548) to negative (125) votes is 423 votes.

By number of reviews, alternator Denso surpassed OEM Audi:

Which alternator do car owners prefer — OEM Audi or Denso?

In March 2026, according to PartReview, alternator Denso led more car-specific ratings than OEM Audi:

Denso are chosen by owners of cars such as: Honda Civic, Honda Element, Honda Odyssey, Toyota 4runner, and others.

Alternator OEM Audi have not yet taken leading positions in car-specific ratings. You can help by adding a review and specifying your car.

Other comparisons of alternator

If this comparison didn’t fully answer your question, there are many others on PartReview.

For example, comparisons of alternator OEM Audi with: Bosch, Duralast, OEM Toyota, VALEO, OEM Honda, OEM Volkswagen, AC DELCO, OEM FORD, OEM Nissan, Motorcraft.

Also available: comparisons of alternator Denso with: Bosch, Duralast, OEM Toyota, VALEO, OEM Honda, OEM Volkswagen, AC DELCO, OEM FORD, 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.

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