I think the Denso alternator is the ONLY remanufactured alternator I will buy. I've been burned too many times trying other remanufactured brands.
But I typically always buy NEW alternators from RockAuto. Sometimes the bearing is bad out of the box so I have to return it and get another. But when I get a quiet one, they seem to work fine. Nice and steady voltage output around 14.3V
I recently was having a misfire in cylinders 2/3, and new plugs and ignition coils cleared it up.
Just buy a reman denso
Ok, so it's a toyota so odds are it's a denso or denso style alternator. I used to rebuild Alternators, you will need access to test certain parts like the regulator, or diode trio, or the windings to see where it's failing.
Personally I’d go with a Denso 27060‑50230. More expensive but it’s an OE part not third party. The one in your car was originally a Denso and it lasted almost 30 years, right?
If and when it does replace it with a denso and enjoy another 200k+ miles of no problems.
Look into a Denso remanufactured alternator. They are the Honda OE brand and are designed to work with Honda's dual-mode charging system. You can find them for under $300 at places like Rockauto or NAPA. I recently replaced mine on a '13 Honda CRV with no issues.
Swapped the NGKs (around 60k miles on them) for new OEM Denso plugs. That stopped the shaking for about two days, then it came back.
Get the Denso radiator from rockauto. I tried eBay crap once and it barely lasted a year
Second defective Denso. First one sent shrapnel through the whole system, and the whole system was replaced. This unit is under vacuum so it is only the clutch pulley turning.
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