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Spare parts reviews ➔ All comparisons ➔ Denso ➔ OEM Volkswagen

Alternator Denso or OEM Volkswagen

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Denso
OEM Volkswagen
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 — Denso or OEM Volkswagen?

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 Denso and OEM Volkswagen
  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 — OEM Volkswagen or Denso?

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

  1. Denso received a PR Score of 81 out of 100, and OEM Volkswagen scored 55 points.
  2. Denso ranked 1 in the overall ranking, and OEM Volkswagen ranked 11.
  3. The average rating is higher for Denso (4) than for OEM Volkswagen (3.1).
  4. Alternator Denso have better feature ratings than OEM Volkswagen:
    • Noise - owners believe, that this property for Denso is better than OEM Volkswagen.
    • Lights - drivers claim, that this property for Denso is outperforms OEM Volkswagen.
    • Warning light - reviews suggest, that this property for Denso is preferred to OEM Volkswagen.

Which alternator are more popular — Denso or OEM Volkswagen?

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

By vote balance, alternator Denso surpassed OEM Volkswagen:

  • For Denso, the ratio of positive (548) to negative (125) votes is 423 votes.
  • For OEM Volkswagen, the ratio of positive (64) to negative (52) votes is 12 votes.

By number of reviews, alternator Denso surpassed OEM Volkswagen:

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

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

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

Alternator OEM Volkswagen 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 Denso with: Bosch, Duralast, OEM Toyota, VALEO, OEM Honda, AC DELCO, OEM FORD, OEM Audi, OEM Nissan, Motorcraft.

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

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