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#1
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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
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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.
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Learning more and more about less and less... |
#3
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Joe's photos here, FYI:
https://www.yenko.net/forum/showthre...hlight=3921923 I'm not sure either... Anthony |
#4
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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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