Places like Jim Carter sell complete water pumps, so parts must be available somewhere. They don't say whether they're new or rebuilt. I suspect the former.
Water Pumps, in my experience aren't that easy for the DIY guy to rebuild.

Last edited by klhansen; 01/04/2021 4:15 AM.
Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.