Reviews of Bosch alternator

PR Score ? Shows the percentage of positive votes. Learn more in the help

Based on

204 reviews and 648 votes

648 votes

Average rating ? The average rating is calculated only from review ratings, without votes
3.7
Noise:
1.6
Lights:
4.0
Warning light:
3.1

204 reviews

Description
Bosch
Germany
Rank #2

among 18 manufacturers

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Bosch Alternator
  • 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

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

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

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

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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Bosch Alternator

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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Reviews of Bosch alternator

The brand is registered in Germany.

In March 2026, PartReview users have a mixed opinion of Bosch alternator.

PR Score — 72 out of 100, based on 204 reviews and 648 votes. 133 positive reviews, 36 neutral reviews, 35 negative reviews. Average rating — 3.7 (out of 5). Vote balance: 471 up, 177 down.

In the ranking of the best alternator this part is at position 2, behind Denso , but ahead of OEM Toyota and VALEO.

Users also evaluated the qualities of Bosch alternator:

  1. Warning light - battery light appears on the dashboard - rated ambivalently. 3.1 points out of 5.
  2. Lights - headlights flicker or dim at idle - rated positively. 4 points out of 5.
  3. Noise - whine or chirp from the alternator area - rated negatively. 1.6 point out of 5.

Alternator Bosch in car-specific ratings

See which car brands and models owners choose Bosch alternator for. Below are car-specific ratings where this part is in the Top-3:

  1. Bosch ranked #1 in alternator ratings for: Volkswagen Golf, Volkswagen Jetta, Volkswagen Passat, BMW X5, Ford Focus .
  2. Bosch ranked #2 for: Toyota Avalon, Honda Civic .
  3. Bosch ranked #3 for: Honda Accord .

Alternator Bosch in comparisons

There are 17 comparisons of Bosch alternator with other manufacturers on PartReview.

In particular, see which alternator are better: Bosch or Mitsuboshi, OEM KIA or Bosch, Bosch or GENERAL MOTORS, Bosch or OEM BMW, Bosch or OEM Mazda .

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