LS - 3rd Gen (2001-2006) Discussion topics related to the flagship Lexus LS430

Alternator bad or still okay?

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Old 03-31-21, 12:31 PM
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200lexus
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Originally Posted by 911LE
That piece is junk. Looks like it ran for a long time with a completely worn out brush. That piece is replaceable as well and isn't too expensive.
Just wonder where you buy your alternator regulator or parts? Thanks
Old 03-31-21, 01:18 PM
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bradland
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Originally Posted by 200lexus
Just wonder where you buy your alternator regulator or parts? Thanks
This is for an '06, IIRC the earlier models use a different part...
The regulator is built-in not a separate component.
https://www.lexussouthatlantaparts.c...&searchString=
Old 03-31-21, 01:37 PM
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911LE
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Originally Posted by 200lexus
Just wonder where you buy your alternator regulator or parts? Thanks
I've bought parts off of eBay with mixed results. I also bought parts from a local starter/alternator rebuild shop and had much better luck.
Old 03-31-21, 01:41 PM
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911LE
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Originally Posted by bradland
This is for an '06, IIRC the earlier models use a different part...
The regulator is built-in not a separate component.
https://www.lexussouthatlantaparts.c...&searchString=
Voltage regulators are available and replaceable separately. It's not a Lexus service part but you can get them elsewhere.
Old 03-31-21, 01:56 PM
  #20  
911LE
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Here's a thread I made on rebuilding the alternatorhttps://www.clublexus.com/forums/ls-...r-rebuild.html
The one I rebuilt is the same for '04-'06. It uses a 4-pin voltage regulator. '01-03 use a 3-pin.
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