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#1
08-26-2021, 04:47 PM
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Crank shaft pulley
I have a GM stamped 3921923BM pulley SINGLE GROVE !!!!!!! I looked up the parts number and it says double grove ?????? any ideas Thanks Joe
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#2
08-26-2021, 09:54 PM
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Service replacement parts are often not the same as OE.
I believe the notation means the service 3921923 pulley will have 2 grooves but function as original for manual and power steering.
__________________
Learning more and more about less and less...
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#3
08-26-2021, 10:01 PM
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Joe's photos here, FYI:
https://www.yenko.net/forum/showthre...hlight=3921923 I'm not sure either... Anthony
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#4
08-27-2021, 12:56 AM
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Sorry guys didn’t remember I posted it 3 years ago !!!!!!!! Another GM part out of the Jenkins Competition archives. There has been quite a few of them. !!!!!!!!
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Linear Mode
