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Spare parts reviews ➔ All comparisons ➔ Bosch ➔ GENERAL MOTORS

Alternator Bosch or GENERAL MOTORS

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Bosch
GENERAL MOTORS
Bosch › Alternator
Compy486
  • Warning light:
  • Lights:
Rating 4.0

I just had to swap my alternator today on my MK7. Mine was Valeo but I could only find a Bosch locally, I decided to give it a shot and it worked just fine. Just a PSA for anyone in the same situation, they are both the same barring a slightly different orientation of the plug on the back.

Pros: worked just fine, compatible
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Bosch › Alternator
Eric D
Rating 5.0

In place of the Valeo alternator I installed a Bosch VR6 120 amp alternator with a Bosch ABA alternator pulley (its 5 ribs versus 6 ribs of the VR6).

Pros: increased amperage
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Bosch › Alternator
Gold-Consequence1750
Rating 4.0

I just went over 195,000 miles while I've driven it over 26,000 miles this year with the only failures being the original 15 year old Bosch alternator and the spark plugs needing to be replaced.

Pros: motor itself is reliable
Cons: alternator needed replacement
Mileage: 313821 km
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Bosch › Alternator
tune-happy
Rating 5.0

Agree with the other guy to have someone else take a look but if it does turn out to need an alternator £553 really is taking the piss. A quick search on PartsInMotion for your car and I see that a replacement alternator can be had for £108 and if you want branded then a Febi one weighs in at £162 and a Bosch one for less than £200

Pros: alternator can be had cheap
Cons: £553 really is taking the piss
Vehicle: BMW
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Bosch › Alternator
Former-Primary-3186
  • Warning light:
Rating 1.0

Literally just put a FCP Bosch remanufactured 2 pin alternator in our 530 last week--it doesn't work at all. Communicating with FCP currently to send it back and get a replacement, but I'm not happy about it. I was told that Bosch was the one to go with for best quality, but now I'm skeptical.

Cons: doesn't work at all
Vehicle: BMW
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Bosch › Alternator
Ok-Window-5847
  • Noise:
Rating 1.0

the bosch alternators are junk. I had to warranty mine through fcp 3 times for the exact same bs: loud ass whining noise and over volting immediately after instal. Cheap chinese junk.

Cons: loud whining noise, over volting
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Which alternator to choose — Bosch or GENERAL MOTORS?

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 Bosch and GENERAL MOTORS
  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 — GENERAL MOTORS or Bosch?

In March 2026 on PartReview, alternator Bosch were overall better than GENERAL MOTORS.

  1. Bosch received a PR Score of 72 out of 100, and GENERAL MOTORS scored 50 points.
  2. Bosch ranked 2 in the overall ranking, and GENERAL MOTORS ranked 16.
  3. The average rating is higher for Bosch (3.7) than for GENERAL MOTORS (3).
  4. Alternator Bosch have better feature ratings than GENERAL MOTORS:
    • Noise - owners believe, that this property for Bosch is better than GENERAL MOTORS.
    • Lights - drivers claim, that this property for Bosch is outperforms GENERAL MOTORS.
    • Warning light - reviews suggest, that this property for Bosch is preferred to GENERAL MOTORS.

Which alternator are more popular — Bosch or GENERAL MOTORS?

In March 2026 on PartReview, alternator Bosch were overall more popular than GENERAL MOTORS.

By vote balance, alternator Bosch surpassed GENERAL MOTORS:

  • For Bosch, the ratio of positive (471) to negative (177) votes is 294 votes.
  • For GENERAL MOTORS, the ratio of positive (17) to negative (17) votes is 0 votes.

By number of reviews, alternator Bosch surpassed GENERAL MOTORS:

Which alternator do car owners prefer — Bosch or GENERAL MOTORS?

In March 2026, according to PartReview, alternator Bosch led more car-specific ratings than GENERAL MOTORS:

Bosch are chosen by owners of cars such as: BMW X5, Ford Focus, Volkswagen Golf, Volkswagen Jetta, Volkswagen Passat, and others.

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

Also available: comparisons of alternator GENERAL MOTORS with: Denso, Duralast, OEM Toyota, VALEO, 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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