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Click on image for the lowdown. 
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| | | Forums66 Topics128,220 Posts1,057,510 Members48,473 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Apr 2007 Posts: 1,042 'Bolter | | 'Bolter Joined: Apr 2007 Posts: 1,042 | There is a difference between 1937-1940 water pumps and those from 1941-1953. The earlier ones had a single hole into the block, the later ones had two holes. You can clearly see that it has the gasket for the later pumps, so I would predict it is for 1941 to 1953. Kent | | |
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