For the price difference just get ACdelco they’re a reliable brand that doesn’t create shit and will stand behind a warranty.
Pros: reliable brand, stands behind warranty
Owner reviews for alternator
Manufacturers
Comparisons
I am currently leaning towards picking up a new Bosch 120 amp over the BMW.
Vehicle:
BMW
Exact thing happened to my vehicle earlier this month. Left me stranded. Luckily I was in the last month of warranty and got a shiny new alternator!
Pros: shiny new alternator
Cons: left me stranded
Vehicle:
Audi
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.
Last year I had a similar experience/warnings with my 2021 RS6. Flat bedded to the dealership and they replaced the alternator under warranty.
Pros: replaced under warranty
Vehicle:
Audi RS6
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
My shitbox, I replaced my alternator just for my window motor to go bad, I replaced the window motor just for the thermostat to go bad the next day, it’s inevitable.
4 aftermarket alternators in a Volkswagen Vanagon… after the last shit the bed i insisted on a factory one. That solved the charging system issue.
Pros: factory one solved issue
Cons: aftermarket alternators failed
Vehicle:
Volkswagen
I used ACDelco on my Hyundai Santa Fe and only lasted 8 months before almost leaving me stranded. Also noticed that aftermarket alternators lugs my engine especially during high output while original genuine alternators do not.
Cons: lasted only 8 months
Vehicle:
Hyundai Santa Fe
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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