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Spare parts reviews ➔ All comparisons ➔ VALEO ➔ OEM Mazda

Alternator VALEO or OEM Mazda

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VALEO
OEM Mazda
OEM Mazda › Alternator
TeknicZ10
  • Warning light:
Rating 4.0

Our 17 has 205,000km so far. Has been great. Have gone through 4 sets of rear brakes, maybe 2 front but it might only be one, had to recently replace the alternator.

Pros: has been great
Vehicle: Mazda
Mileage: 205000 km
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VALEO › Alternator
peacefulhectarez
Rating 5.0

Remember the old Bosch and Valeo alternators where the brushes were built into the regulator, which cost $15 and came off the back with two screws? Pepperidge Farm remembers.

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VALEO › Alternator
golenman123
  • Warning light:
Rating 5.0

Bought a used Valeo alternator, and sure enough, the charging problems went away, and it starts charging as soon as I start the car.

Pros: charging problems resolved, starts charging immediately
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VALEO › Alternator
caoimhin64
Rating 3.0

I did see something recently where an aftermarket alternator made by Valeo had the same part number as the Original Toyota part, but in fact had another software part number that made it through an error and not work properly.

Cons: software part number error
Vehicle: Toyota
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OEM Mazda › Alternator
nothardly_yes
  • Lights:
Rating 1.0

Mazda's DO NOT like aftermarket alternator. Most don't work out of the box. You need to get a genuine Mazda alternator.

Pros: genuine Mazda alternator needed
Cons: aftermarket alternator bad
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OEM Mazda › Alternator
greenestofgrass
  • Warning light:
Rating 2.0

My 2017 Mazda 3 touring felt like it was cursed. I had the direct high pressure fuel pump injector go out like 1.5 years after purchase. About 2k for just that repair. Thought that was the end of it until the following year where there was a persistent evap problem that nobody could find, despite clearing the code it wouldn’t pass smog. One smoke test and several hundred dollars in appointments later they found the smallest leak from one of the hoses, replaced it and passed smog. Then the check engine light saga started, at first we thought it was the battery/alrernator until after replacing both it kept happening. Turns out that was the start of my catalytic going out(76k miles exactly). Idk if it’s Stockholm syndrome but i did trade it in for a new Mazda. Hoping the curse has been lifted.

Pros: passed smog after repair
Cons: fuel pump injector failure, evap problem, check engine light, catalytic converter failure
Vehicle: Mazda
Mileage: 76000 km
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OEM Mazda › Alternator
Sad-Sky6740
Rating 1.0

Labor time is like .7 on the RX8 alternator if I remember my time at Mazda right… imma say like 900 or so for labor is a rip

Cons: 900 for labor is a rip
Vehicle: Mazda
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Which alternator to choose — VALEO or OEM Mazda?

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 VALEO and OEM Mazda
  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 Mazda or VALEO?

In March 2026 on PartReview, alternator VALEO were overall better than OEM Mazda.

  1. VALEO received a PR Score of 70 out of 100, and OEM Mazda scored 38 points.
  2. VALEO ranked 4 in the overall ranking, and OEM Mazda ranked 17.
  3. The average rating is higher for VALEO (3.7) than for OEM Mazda (2.4).
  4. Alternator VALEO have better feature ratings than OEM Mazda:
    • Noise - owners believe, that this property for VALEO is better than OEM Mazda.
    • Lights - drivers claim, that this property for VALEO is outperforms OEM Mazda.
    • Warning light - reviews suggest, that this property for VALEO is preferred to OEM Mazda.

Which alternator are more popular — VALEO or OEM Mazda?

In March 2026 on PartReview, alternator VALEO were overall more popular than OEM Mazda.

By vote balance, alternator VALEO surpassed OEM Mazda:

  • For VALEO, the ratio of positive (87) to negative (36) votes is 51 vote.
  • For OEM Mazda, the ratio of positive (15) to negative (24) votes is -9 votes.

By number of reviews, alternator VALEO surpassed OEM Mazda:

Which alternator do car owners prefer — VALEO or OEM Mazda?

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

VALEO are chosen by owners of cars such as: Ford Escape, and others.

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

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

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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