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ALTERNATOR--post year & miles ONLY if you're on the original alternator!

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ALTERNATOR--post year & miles ONLY if you're on the original alternator!

Old 02-26-18, 03:33 PM
  #16  
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The alternator is original on my 2006 with 63,000 miles.

Another 2006 I considered late last year had its alternator replaced at about that mileage, so they don't all last forever!
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Old 02-26-18, 04:37 PM
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Going to Lexus....they tell me they almost never change an Alternator on an LS430 period. I wonder what was the issues for the few that have been replaced. Just wondering.
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Old 02-26-18, 05:19 PM
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There you go! No one has really substantiated an Alternator replacement for the LS430........and even if some come up... bottom line is these Denso Alternators seem to last and last and last.. The same as the rest of this great car. Bulletproof.
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Old 02-26-18, 05:33 PM
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2006 with 103K miles - original no issues
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Old 02-26-18, 08:42 PM
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2006 with 81k, original.
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Old 02-26-18, 08:51 PM
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I had to replace alternator at 89K.
Autozone replacement is fine at now 113K

You all are lucky but if and when fails, this thread will be or interest to you https://www.clublexus.com/forums/ls-...-ls-430-a.html
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Old 02-27-18, 03:53 PM
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Originally Posted by BMW7_LS430 View Post
I had to replace alternator at 89K.
Autozone replacement is fine at now 113K

You all are lucky but if and when fails, this thread will be or interest to you https://www.clublexus.com/forums/ls-...-ls-430-a.html
Post ONLY if you're on your original alternator!

me-----> <----BMW7_LS430
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Old 02-27-18, 06:27 PM
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Mine still has the original alternator with 110K miles (2003 UL).
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Old 02-28-18, 07:32 AM
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I am 20k short of 200 k no probs. I drove my last one to 200k no probs
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Old 02-28-18, 04:33 PM
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05/110,000 miles. Original alternator. In 40 years of owning various makes of cars ( mostly Ford, VW and Honda), Iíve never had an alternator fail. Two on my old wood trawler dating to 1972 are still working fine (original diesel with 10,600 hrs runs good too).
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Old 02-28-18, 05:15 PM
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I had 135,000 miles on original alternator. However, at that mileage I proactively replaced the brushes. The brushes are a factory Lexus part that are readily available and are a piece of cake to replace. Worn brushes are typically the thing that causes these Denso alternators to die. I have yet to have a Denso alternator die when proactively replacing the brushes. The bearings, voltage regulator, and rectifier are pretty durable on these alternators compared to other brands.
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Old 02-28-18, 06:37 PM
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Well that's interesting to know! I would have never guessed that Lexus would provide brushes as a factory replacement part. The last car I replaced brushes on was a 1970 Opel Kadette with a generator (not an alternator). I drove that car for about 150K miles and in the time I owned it I replaced the brushes twice. But the generator itself kept on keepin on once the brushes were replaced.
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Old 03-01-18, 08:19 AM
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Originally Posted by LS430inDE. View Post
Post ONLY if you're on your original alternator!

me-----> <----BMW7_LS430
What do we learn?

Seems we learn more when someone says they replaced at xxx,xxx miles.

2005 original at 116,000 now.

1996 LS400, replaced at 220,000 proactively! So there! More info you didnít want. Will you survive?
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Old 03-01-18, 04:31 PM
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Originally Posted by LS430inDE. View Post
Not looking for a whole lot of chit-chat or sidebar discussions. Just wondering what what year & mileage you have if you know you're on the ORIGINAL (meaning when car was brand new, not new to you) alternator.
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Old 03-01-18, 04:45 PM
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2006 ~ 95k
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