Best has been new Bosch or Delco-Romy from jobber stores. Never had one of those fail yet.
For hpw old your car is, and the price of these boys in the photo, id go to your local autozone and get their alternator, simply because they come with a lifetime warranty
I think I put a Bosch 145 on my 01 5.3 and it’s been a non issue
I'd just get something with a warranty. I've been using Duralast from Autozone for the longest time and haven't had too many issues
After that I would pick the Bosch reman. A junk new alternator is going to last a fraction of the time of these 2.
IMO duralast doesn\u2019t last no where near as long as a good quality Bosch/Denso alternator.
I own the exact car, when I bought it, it came with a bad replacement alternator. The replacement was an eBay brand which was causing all sorts of faults. I replaced it with a Bosch unit and the car seemed fine. A few weeks after the replacement, I started getting a random limp mode with various under and over voltage errors. At this point I decided to buy and install a BMW branded alternator. This took care of issue.
All I could recommend is stop buying the autozone/duralast alternators. Buy a good brand, ie Denso, Delco, Motorcraft, etc. and return the duralast one outright for cash in hand.
Duralast..... if you want to get really good at changing them.
I was driving the Mini when the engine began to struggle at idle and then shut off, refusing to restart. The starter engaged but hit a wall of resistance. After getting it home, I found the alternator was completely stuck. The one I replaced was a Bosch. Its bearing had failed catastrophically, and the pulley would not move.
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