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Old 05-28-2021, 04:39 PM   #4
LS short box
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Join Date: Jun 2015
Location: Carlos MN
Posts: 1,927
Re: Replace pulley when switching to electric fan?

If you really concerned you could get a newer water pump that didn't have a mechanical fan. But having said that I just looked at a 2010 6.2 water pump and it looks like the end of the pulley is threaded not the water pump shaft.
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