Looking for a 289 K code crankshaft vibration bolt washer part number (C30Z -6378-A) thickness is 0.32 inch vs a standard 289 of 0.21 inch .this would be the washer that retains the harmonic balancer to the crankshaft. thanks chuck.
C3OZ-6378-A crankshaft bolt washer
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chucks302
August 15, 2026 at 2:11 AM Changed the title of the thread from “CSOZ-6378-A crankshaft bolt washer” to “C3OZ-6378-A crankshaft bolt washer”. -
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Looking for a 289 K code crankshaft vibration bolt washer part number (C30Z -6378-A) thickness is 0.32 inch vs a standard 289 of 0.21 inch .this would be the washer that retains the harmonic balancer to the crankshaft. thanks chuck.
Chuck, I just sent you an email.
-Fred-
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Looking for a 289 K code crankshaft vibration bolt washer part number (C30Z -6378-A) thickness is 0.32 inch vs a standard 289 of 0.21 inch .this would be the washer that retains the harmonic balancer to the crankshaft. thank
Thanks Fred i replied to your e mail.
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