I did one on my Wife's 2011 Nissan Quest with the same engine as the Pathfinder.
Original one lasted around 130k miles, so can't really complain.
The one on the Quest wasn't great, but I think I got it done in about 4-5 hours.
Had to pull the lower bumper splash shield, and the passenger fender liner.
Then I unbolted the ac compressor and let it drop down (was able to leave all the refrigerant hoses connected so that was a plus).
The upper bolt was a pain to get to, probably the worst part of the job!
With it unbolted there was just barely room to get it out through the wheel well. If you had it positioned just right it would slip through the opening between the subframe and the frame rail.
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!
Last year I had a similar experience/warnings with my 2021 RS6. Flat bedded to the dealership and they replaced the alternator under warranty.
Nissan use to be good
The voltage regulator on the alternator is bad.
Ya my alternator failed in 32k kilometers... But Audi Japan replaced it for free so it was okay ...
And assuming that the alternator is the issue, hope you get an oem good part or a used one, on nissan altimas/maxima Remans are bad.
Wouldn\u2019t recommend unless you like spending your time on the side of the road or at the dealer. Mine just went back to my local dealer today for its 4th alternator in 32k total miles, 3rd one in the last 6 months. Literally just got the car back 5 days ago for the same issue.
Had an alternator problem (which was a recall) that completely shut down the car in the middle of driving (dash and all electronics turned off) leaving me stranded to wait for a tow truck. Audi fixed it for free.
Die neueren Generatoren sind heute noch Müll (Haltbarkeit). Musste ich erst in meinem A6 erleben (der zu meinem Glück noch auf Garantie ging). Im RS6 gehen die Dinger auch am laufenden Band flöten.
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If choosing alternator across many manufacturers, check the part ranking. If your choice is down to two brands, the PartReview part comparisons help.
We compare alternator across these categories:
In March 2026 on PartReview, alternator OEM Nissan were overall better than OEM Audi.
Alternator OEM Audi and OEM Nissan were equally popular according to data in March 2026.
By vote balance, alternator OEM Nissan surpassed OEM Audi:
By number of reviews, alternator OEM Audi surpassed OEM Nissan:
In March 2026, according to PartReview, alternator OEM Nissan led more car-specific ratings than OEM Audi:
OEM Nissan are chosen by owners of cars such as: Nissan Maxima, and others.
Alternator OEM Audi have not yet taken leading positions in car-specific ratings. You can help by adding a review and specifying your car.
If this comparison didn’t fully answer your question, there are many others on PartReview.
For example, comparisons of alternator OEM Audi with: Denso, Bosch, Duralast, OEM Toyota, VALEO, OEM Honda, OEM Volkswagen, AC DELCO, OEM FORD, Motorcraft.
Also available: comparisons of alternator OEM Nissan with: Denso, Bosch, Duralast, OEM Toyota, VALEO, OEM Honda, OEM Volkswagen, AC DELCO, OEM FORD, Motorcraft.
You can also see who is better among other alternator manufacturers: Bosch or Denso, Denso or Duralast, OEM Toyota or Denso, Bosch or Duralast, Denso or VALEO.
