Alternator GENERAL MOTORS or Duralast

I will always vote for a 10SI or 12SI GM alternator swap on an L-series engine. Affordable conversion bracket. 1-wire GM alternators are simple, reliable, cheap and readily available online but not easy to find in parts stores. 3 wire GM alternators are are easy enough to wire up and are absolutely everywhere in parts stores if you’re more concerned about parts availability and potential breakdowns on long adventures.

2004 Limited with 310000 miles alternator went out so went to local service shop . They were able to get it in and repaired next morning other shops in the area are a week backlog.Parts we're 310.00 (Duralast alt.and Gates belt)

I went with a Duralast Gold(90A) which never gave me a issue. If I had a oscilliscope im sure it had good output.

Possibly the alternator, mine did that so I bought a brand new duralast gold alternator and it solved so many of my problems.

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.

I’ve had two D/L Alternators. Each has lasted 3 or 4 years.

Got a remanufactures duralast alternator. Worked for about a week and the died.

Reman alternator quality is in the toilet. Not uncommon to have to warranty an alternator once or twice.

I started having problems like my alternator was going bad again so I replaced it with a duralast alternator part number DL2618-6-11 because I had a lifetime warranty on it and it still didn't fix it so I was thinking it may be a wire shorting out was playing around with the wires that go to the alternator and the plug on the back that goes from the alternator to the PCM and it's started charging again ( I guess it finally connected the electricity) so I replaced the plug on the back of the alternator. It fixed it work for about a month then it happen again check charging system battery light on and battery going dead so I was done. I took it to the Ford place they wanted to replace the other side of the PCM to alternator connector which they did and the alternator so I got another AutoZone lifetime warranty alternator and when they did that they said everything is charging and running like it is supposed to be but your PCM is still throwing the battery light and check charging system because your alternator is charging at 14v and for the PCM to cut the light off it needs to be at 14.6 v. So they wanted to put another alternator on it because they said the alternator from autozone the voltage regulator wouldn't let it go to 14.6 volts. The car runs and drives and doesn't have any problems I just hate the light being on to be honest I have spent hours on the Internet trying to see if it's just these AutoZone alternators that aren't letting it get to the volts the PCM wants or not haven't found anything.

Duralast are shit alternator. See it time and time again people buy them and have more problems afterwards.