Alternator model question

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  • dandruka
    Low Range
    • Apr 2009
    • 71
    #1

    Alternator model question

    Kind of a dumb question...but regarding alternators for the disco: one for the 3.9 and one for the 4.0. Both pulleys have 7 groves I believe. I have a reman one for a 3.9 sitting around but have to replace one on my 4.0. Why would they not be interchangeable? Is there anything preventing me from using my reman 3.9 alternator on the 4.0 engine?


    thanks for the help.
    "Out of every one hundred men, ten should not even be there, eighty are just targets, nine are the real fighters, and we are lucky to have them for they make the battle. Ah, but the one, one is a warrior, and he will bring the others back"
    Tags: None
    • antichrist
      2nd Gear
      • Mar 2009
      • 272
      #2
      Yeah, it will work on the 4.0.
      Tom Rowe

      Four wheel drive allows you to get stuck
      in places even more inaccessible.

      62 88 reg
      67 NADA x2
      74 Air Portable - The Antichrist (tag 6A666)
      95 D1 - R380
      95 D90 - R380
      97 D1 - ZF

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        • dandruka
          Low Range
          • Apr 2009
          • 71
          #3
          thanks Tom!
          "Out of every one hundred men, ten should not even be there, eighty are just targets, nine are the real fighters, and we are lucky to have them for they make the battle. Ah, but the one, one is a warrior, and he will bring the others back"

            Comment

            • Les Parker
              RN Sales Team - Super Moderator
              • May 2006
              • 2020
              #4
              So, did it work out OK?
              Les Parker
              Tech. Support and Parts Specialist
              Rovers North Inc.

                Comment

                • dandruka
                  Low Range
                  • Apr 2009
                  • 71
                  #5
                  Yes, it worked out fine. The issues that I was experiencing such as pulsating electrical equipment (really noticeable with headlights and dash lights) have disappeared. I had visually checked grounds but they seemed fine.

                  So, I guess the 3.9's for with the 4.0's. At least for me.

                  Dave
                  "Out of every one hundred men, ten should not even be there, eighty are just targets, nine are the real fighters, and we are lucky to have them for they make the battle. Ah, but the one, one is a warrior, and he will bring the others back"

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