Re: Cracked crankshaft pulley 3858533 BJ - weld / repair or replace?
Scott -- as to stampings, here's the 904/533 set on my '65 air L76; which I've owned since 1980 and I believe the pulleys to be original. Of interest is the script (sans serif ? serif ?) and no suffix letters after the 533 part #, or the 904. Notice the 'S' below the 'GM' near the bolt hole on the '533, and below the 'GM' on the 904.


Scott -- as to stampings, here's the 904/533 set on my '65 air L76; which I've owned since 1980 and I believe the pulleys to be original. Of interest is the script (sans serif ? serif ?) and no suffix letters after the 533 part #, or the 904. Notice the 'S' below the 'GM' near the bolt hole on the '533, and below the 'GM' on the 904.



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