This is a known issue with non OEM and especially bosch alternators, the regulator gives a different signal to the power control unit.
Pros: known issue, regulator signal
Cons: different signal
Reviews of Bosch parts For Business
Average Rating
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The manufacturer's average rating is calculated based on ratings of all its spare parts. It determines the place in the manufacturer ranking
3.9
Manufacturer Ranking
#86
2081
Spare Parts
48
Country
Germany
Spare Parts
If you were family or my customer I would get the Bosch.
Pros: good quality
I use Bosch everytime I can, minus their $90 spark plugs lol
Cons: expensive spark plugs
Meh, upgraded to Bosch Icons.
Pros: Upgraded to Icons
I rebuilt the stock assembly with a Bosch pump from Rock Auto. It's been going strong over 100k miles. Also threw a new pressure regulator on top. Fixed my pressure issue of having to turn the key off and on several times before cranking to build up pressure.
Pros: 100k miles, fixed pressure issue
Vehicle:
Jeep
Mileage: 100000 km
Avoid the NGK’s Bosch or “Volvo” (also Bosch) plugs are way better than the NGK’s.
Pros: better than NGK
Cons: NGK not recommended
Vehicle:
Volvo
IMO a rebuilt German Bosch unit is far superior to the Chinese alts.
Pros: far superior
Bosch - 2.5 years so far,
Varta - 1.3 years before dying
Pros: long lasting (Bosch)
Cons: short life (Varta)
Bought the Bosch icons after so much hype about them.
Cons: Bosch service not helpful
I got some Bosch ones and they were terrible. A lot of chatter and movement while in operation.
Cons: terrible, chatter, movement
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