alternator bracket

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May 17, 2008 | 04:23 PM

jhuff

Thread Starter

Instructor

Joined: Dec 2006

Posts: 167

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From: Oxnard/San Luis Obispo CA

alternator bracket

anyone know what the gm # is for an alternator bracket for a 75? I thought it was 3951337, but that doesn't bring anything up. Maybe the Chevy guys don't stock it anymore?

May 17, 2008 | 04:46 PM

Artsvette73

Drifting

Joined: Jan 2004

Posts: 1,991

Likes: 3

From: Piscataway NJ

The lower bracket 14015539 75-82

May 17, 2008 | 06:38 PM

jhuff

Thread Starter

Instructor

Joined: Dec 2006

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From: Oxnard/San Luis Obispo CA

perfect thanks

May 17, 2008 | 08:53 PM

TPI BOY

Burning Brakes

Joined: Dec 2002

Posts: 1,179

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From: STANTON CA

How about the top one

May 18, 2008 | 06:51 PM

ShinodaVette

Drifting

Joined: Aug 2003

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From: Lakeland FL

Quote:

Originally Posted by TPI BOY

How about the top one

My book shows it as 460754 for 75-82 (EXC. 70 AMP). It doesn't show any alternative p/n for one w/70 AMP though.

May 19, 2008 | 06:37 PM

jhuff

Thread Starter

Instructor

Joined: Dec 2006

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From: Oxnard/San Luis Obispo CA

I had emailed gmpartsdirect.com about this also and this is what they said.

14015539 first design malleable metal alternator bracket.
14015510 second design aluminum alternator bracket.

Does anyone know what the deal is with the aluminum one? Would it be worth the extra 20 bucks or so?

May 19, 2008 | 10:38 PM

carriljc

Le Mans Master

Joined: Jan 2001

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casting number on my bracket is 3951337

short water pump,

not sure about a 75, but you can look casting numbers on ebay and find these things. also, late 60's to early 70's chevy pickups used a short water pump with similar bracket.

3951337

May 19, 2008 | 11:47 PM

Artsvette73

Drifting

Joined: Jan 2004

Posts: 1,991

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From: Piscataway NJ

The 5510 is for the 80's aluminum. The 5539 early metal. Other than that I know of no other diffrence.

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Jan 6, 2015 | 09:03 PM

WHTDRGN

1st Gear

Joined: Dec 2014

Posts: 1

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Quote:

Originally Posted by Artsvette73

The 5510 is for the 80's aluminum. The 5539 early metal. Other than that I know of no other diffrence.

Are these two brackets interchangeable? I have an 81 with the aluminum bracket that is broken. I can't seem to find another for less than $100, but the cast iron ones are much cheaper and I imagine more durable.
Thanks!

Mar 23, 2015 | 10:56 AM

#10

zygowsra

Racer

Joined: Jan 2008

Posts: 292

Likes: 3

Quote:

Originally Posted by jhuff

anyone know what the gm # is for an alternator bracket for a 75? I thought it was 3951337, but that doesn't bring anything up. Maybe the Chevy guys don't stock it anymore?

I have a nice used bracket # 3951337.

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