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Author Topic: 837 alternator fan  (Read 888 times)
DT
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« on: June 02, 2013, 07:24:34 AM »

Are there any differences in alternator fans???  Did GM use the same fans for #834, #837 alternators??  Thx
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Donny
Ed Bertrand
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« Reply #1 on: June 04, 2013, 09:15:18 AM »

The 834 and 837 alternators used the same fan, P/N 1966990.

Ed
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Ed Bertrand
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DT
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« Reply #2 on: June 04, 2013, 03:18:25 PM »

Once again, thanks Ed !!
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Donny
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« Reply #3 on: June 04, 2013, 10:09:31 PM »

Ed, I see many 837 alternators with the "hook blade" , but my 837 had never been apart until I rebuilt it. It has the same fan as my 834(like you said). I always wondered if it was correct as it was not the hook type, but assumed it was because it was all original on my car when I bought it. Another post reply by JohnZ concerning 837 pulley finish started by DT shows the hook fan. Could you clarify why this is? My engine is a 396,not a Z.
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Ed Bertrand
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« Reply #4 on: June 05, 2013, 08:25:52 AM »

Can you post a picture of the fan you're referring to? Also, have you read THIS and THIS?

Ed
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Ed Bertrand
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DT
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« Reply #5 on: June 07, 2013, 09:33:22 PM »

Here is a picture of my alt fan.  Does it look like an 834 or 837 ??  Thx
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Donny
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« Reply #6 on: June 07, 2013, 11:14:26 PM »

It *appears* the same as the fan in my original 837 alternator in the photo...
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Gary W.  /  69Z28-RS, 72 B 720 cowl console rosewood all tint
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DT
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« Reply #7 on: June 08, 2013, 08:08:07 AM »

OK, Thx
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Donny
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