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alternator numbers [message #97466]

Fri, 27 August 2010 09:30

Smitty52

Messages: 181
Registered: July 2007

Karma: 0

Senior Member

hey all, I am at work and tried to order a replacement alternator for my 78 with the 403. The guys at NAPA need a part number or model number to get the right one. I am at work and the coach is 30 miles away at home. Does anyone have the correct numbers available so I don't have to drive 60 miles round trip tomorrow?

They kept asking what type of motorhome, GMC, OK but who made the motorhome. I kept saying GMC but they could not get it clear that I was not referring to a chassis but a complete motorhome. Young-uns!!! They probably don't know what points and a carb are either.

Wayne and Lisa,
Bolton Landing, NY,
Patriot Guard Rider,
Standing for those who stood for us.

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Re: [GMCnet] alternator numbers [message #97467 is a reply to message #97466]

Fri, 27 August 2010 09:48

Mr ERFisher

Messages: 7117
Registered: August 2005

Karma: 2

Senior Member

>
> hey all, I am at work and tried to order a replacement alternator for my 78
> with the 403. The guys at NAPA need a part number or model number to get
> the right one. I am at work and the coach is 30 miles away at home. Does
> anyone have the correct numbers available so I don't have to drive 60 miles
> round trip tomorrow?
>
> if you have a local rebuilder, I would recommend using him to replace the
stator windings during the rebuild.

sometimes it takes 2 or 3 Napa alternators to get a working one, and then
they donot replace the stator windings.

sorry to say
gene

--
Gene Fisher -- 74-23,77PB/ore/ca
�Give a man a fish; you have fed him for today --- give him a URL and
-------
http://gmcmotorhome.info/
Alternator Protection Cable
http://gmcmotorhome.info/APC.html
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Re: [GMCnet] alternator numbers [message #97468 is a reply to message #97467]

Fri, 27 August 2010 10:02

Bob de Kruyff

Messages: 4260
Registered: January 2004
Location: Chandler, AZ

Karma: 1

Senior Member

Mr ERFisher wrote on Fri, 27 August 2010 08:48

If you want to stick with Napa, the 134022 is an 80 amp with lifetime guarantee or the 2134022 has a 3 year guarantee. Most likely they will have it in stock.

Bob de Kruyff
78 Eleganza
Chandler, AZ

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Re: [GMCnet] alternator numbers [message #97469 is a reply to message #97468]

Fri, 27 August 2010 10:05

Bob de Kruyff

Messages: 4260
Registered: January 2004
Location: Chandler, AZ

Karma: 1

Senior Member

I should have mentioned that Autozone has a 100 amp 7157 with lifetime guarantee that is a direct replacement. That's what I run and the first one lasted a year but this one has about 4 on it so far.

Bob de Kruyff
78 Eleganza
Chandler, AZ

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Re: [GMCnet] alternator numbers [message #97470 is a reply to message #97466]

Fri, 27 August 2010 10:04

emerystora

Messages: 4442
Registered: January 2004

Karma: 13

Senior Member

On Aug 27, 2010, at 8:30 AM, Wayne E LaMothe wrote:

>
>
> hey all, I am at work and tried to order a replacement alternator for my 78 with the 403. The guys at NAPA need a part number or model number to get the right one. I am at work and the coach is 30 miles away at home. Does anyone have the correct numbers available so I don't have to drive 60 miles round trip tomorrow?
>
> They kept asking what type of motorhome, GMC, OK but who made the motorhome. I kept saying GMC but they could not get it clear that I was not referring to a chassis but a complete motorhome. Young-uns!!! They probably don't know what points and a carb are either.
> --

Most GMCs used an 80 amp alternator. GM number 1101030. Napa's 13-4022.

However in 19789 GM used a 145 amp alternator. GM number 1117148.
Napa should be able to cross to this one if you have the 145 amp alternator.

Others have put in a 100 amp alternator. Autozone DL7157. AC/Delco has a 1101050 number on their 100 amp alternator.

I think that the 403 and 455 used the same alternator so you could always have them look up a 1975 Olds Toronado with a 455 engine.
It would probably be an 80 amp though.

Emery Stora
77 Kingsley
Santa Fe, NM

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Re: [GMCnet] alternator numbers [message #97486 is a reply to message #97470]

Fri, 27 August 2010 11:26

Smitty52

Messages: 181
Registered: July 2007

Karma: 0

Senior Member

Thanks all. NAPA has the 100 amp in stock.

Wayne and Lisa,
Bolton Landing, NY,
Patriot Guard Rider,
Standing for those who stood for us.

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Re: [GMCnet] alternator numbers [message #97513 is a reply to message #97486]

Fri, 27 August 2010 15:29

Ken Burton

Messages: 10030
Registered: January 2004
Location: Hebron, Indiana

Karma: 10

Senior Member

Smitty52 wrote on Fri, 27 August 2010 11:26

Thanks all. NAPA has the 100 amp in stock.

The problem with buying a NAPA alternator is if it quits you must take it back to the same store where you bought it. Also you must have the original receipt. That kind of leaves you out in the cold if you are on the road when it quits. AZ will honor their warranty no matter what store you go to. All you need it your telephone number for them to look up the original sale.

Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana

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