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  #1  
Old 09-25-2019, 08:17 AM
Cwood2000's Avatar
Cwood2000 Cwood2000 is offline
 
Join Date: Jun 2012
Location: Tallahassee, fl
Posts: 216
Default RV4 alternator

I have a 4 finished in 1992, I did not build. I?d like to replace the alternator.
The one on the plane has no markings and the builder?s log makes no mention of it.
Did Van?s supply them back then? Anyone have a suggestion for replacement?

Thanks
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  #2  
Old 09-25-2019, 08:31 AM
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Sam Buchanan Sam Buchanan is offline
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Join Date: Dec 2004
Location: North Alabama
Posts: 4,466
Default

It may be the 35a externally regulated alternator that Vans sold for many years. It is from a 1978 Honda CVCC (no air conditioning). A common rebuild part number for this alternator is 14184. But unless your RV has relatively low hours the original alternator has probably been replaced.

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  #3  
Old 09-25-2019, 08:53 AM
moosepileit moosepileit is offline
 
Join Date: Dec 2010
Location: Louisville, KY
Posts: 748
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I have the 14184, works fine.

Take a photo of the profile and harness jack with whatever plug it has removed and it'll get sluethed out. The 14184 is harder to find now- O'Reilly stopped carrying them. Still on available from other online searches, if that is what you have- but likely not true OEM New Densos.
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  #4  
Old 09-25-2019, 10:21 AM
rag rag is offline
 
Join Date: Feb 2012
Location: Holmen, WI
Posts: 57
Default Alternator

I have two 14129 (they interchange with the 14184) alternators, one is a new rebuild in the box, one was removed from my Rv4 for an engine replacement. I also have the original case mounting brackets and a couple of regulators. would like to get ride of everything - cheap. PM me if you have an interest.
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  #5  
Old 09-25-2019, 11:48 AM
alpinelakespilot2000 alpinelakespilot2000 is offline
 
Join Date: Jan 2005
Posts: 3,728
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I also use 14184, but concur that 14129 is the same--except the fan is vaned to spin the opposite direction--and it is easier to source. Alternators don't care which way they spin and Van's originally supplied the alternators without fans to begin with making the direction of spin irrelevant. I took mine off to give better cowl clearance. A blast tube in their place is a good preventative measure though.
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  #6  
Old 09-26-2019, 06:55 AM
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daddyman daddyman is offline
 
Join Date: Jan 2014
Location: Fredericksburg, Virginia
Posts: 326
Default Went with B and C

Quote:
Originally Posted by Cwood2000 View Post
I have a 4 finished in 1992, I did not build. I?d like to replace the alternator.
The one on the plane has no markings and the builder?s log makes no mention of it.
Did Van?s supply them back then? Anyone have a suggestion for replacement?

Thanks
I burned through 2 of them within 3 months of install. No fault of the Denso. I did not notice the support bracket had a bend in it. That caused Bering stress leading to failure.
So happy with the B and C you can buy either 40 or 60 amps. I chose 40. Works great.
Daddyman
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  #7  
Old 08-30-2021, 01:40 PM
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Andy612 Andy612 is offline
 
Join Date: Jun 2012
Location: Whitehorse, Yukon Territory
Posts: 31
Default Kubota tractor alternator

Probably too late to help YellaDawg...but in case anyone else needs to replace an older Van's 35-40 Amp alternator:

The Van's supplied externally regulated alternator in my RV-4 started to get "noisy" after 25 years and 700+ hours in service. I had a lot of trouble tracking down a replacement and the first one I ordered was totally wrong. Eventually found this one in the link below and it bolted right in, and even the connector plug on the rear was exactly the same. After installation the headset noise was gone. Price was $56 for brand new (not rebuilt) alternator.

https://www.amazon.com/Electrical-AN...0348079&sr=8-2

If the above link doesn't work try a search on ND121000-0980 or ND9712109-098.

Good luck.
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