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#1588511 09/28/2025 5:47 PM
Joined: Aug 2018
Posts: 760
M
'Bolter
'Bolter
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Joined: Aug 2018
Posts: 760
My 1940 half ton is still running on the original engine. Now, after all these years it has a water leak. It appears to be coming from the water pump. I'll remove some panels tomorrow to get a better look. My question for now is: Are all of the 216 water pumps the same, or at least interchangeable? If not, then what years would interchange with my 1940?


Mike Burns
1940 Chev 1/2 ton
1953 Chev 1/2 ton
1950 Studebaker Starlight Coupe
1947 Indian Chief
1943 Indian 741
Joined: May 2015
Posts: 11,050
Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums
Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums
Joined: May 2015
Posts: 11,050
Both the Filling Station and RockAuto show a break in water pump between 1940 and 1946 216's (RockAuto doesn't list one for 1940)
The Filling Station lists a rebuild service for 39-40 water pumps LINK, but you have to send your pump to them unless they happen to have them in stock. And there are some pumps they can't rebuild. Expensive in any case.
[on edit]Filling Station says all 216's use the same water pump to block gasket, so maybe the only difference is the size/position of the hose connection. Maybe a later and less expensive new pump could be adapted with a little hose modification. Don't know for sure.

Last edited by klhansen; 09/28/2025 8:02 PM. Reason: added more info

Kevin
1951 Chevy 3100 work truck
Follow this saga in Project Journal
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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.
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P
'Bolter
'Bolter
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Posts: 5,337
Up through 1940 Chevrolet used a single main water transfer port.
Starting in 1941 they went to two.
See picture.
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IMG_1516.jpeg (24.85 KB, 116 downloads)


See the USA in your vintage Chevrolet!
My Blog
Joined: May 2015
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Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums
Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums
Joined: May 2015
Posts: 11,050
Well, that answers the interchangeability issue. Looks like the Filling Station's water pump to block gasket listing is a little misleading. Link

I knew someone would have the answer.

Last edited by klhansen; 09/29/2025 2:43 AM. Reason: added missing word

Kevin
1951 Chevy 3100 work truck
Follow this saga in Project Journal
Photos
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.
Joined: Aug 2018
Posts: 760
M
'Bolter
'Bolter
M Offline
Joined: Aug 2018
Posts: 760
Yes, that really does answer the interchangeability question. Although, not in the way I had hoped. Thanks guys !!!


Mike Burns
1940 Chev 1/2 ton
1953 Chev 1/2 ton
1950 Studebaker Starlight Coupe
1947 Indian Chief
1943 Indian 741
Joined: Oct 2021
Posts: 6,771
O
'Bolter
'Bolter
O Online: Content
Joined: Oct 2021
Posts: 6,771
I had mine rebuilt by the Flying Dutchman. Then and Now Automotive also rebuilds them. I've used both companies and am happy with both.


1950 Chevrolet 3100 (Ol' Roy)

1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)
Joined: Aug 2018
Posts: 760
M
'Bolter
'Bolter
M Offline
Joined: Aug 2018
Posts: 760
Thanks for that information. There is a Flying Dutchman who is a member of the stovebolt group. Is that who you're talking about?


Mike Burns
1940 Chev 1/2 ton
1953 Chev 1/2 ton
1950 Studebaker Starlight Coupe
1947 Indian Chief
1943 Indian 741
Joined: Sep 2009
Posts: 5,834
Gearhead, Stovebolt Tech and Parts Tracker, Mod for Swap Meet and GTT
Gearhead, Stovebolt Tech and Parts Tracker, Mod for Swap Meet and GTT
Joined: Sep 2009
Posts: 5,834
Mike - Here's the Flying Dutchman's Web Page along with a screen shot showing his contact info below. Not the same individual that registered back in 2000 and has never posted. frown
Attachments
Screenshot 2025-09-30 at 10-07-41 Home.png (118.79 KB, 39 downloads)



~ Dan
1951 Chevy 3 window 3100
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