OLDS Reverse rotation Olds water pumps

Oct 14, 2008
8,823
7,775
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Melville,Saskatchewan
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Oct 14, 2008
8,823
7,775
113
Melville,Saskatchewan
Here is mine, worked great on my 88 CSC as well till I scrapped the car.
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Nando1970

n00b
Aug 29, 2022
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3
Hey guys, I'm working on installing the serpentine conversion kit but I am having a hard time locating the reverse flow water pump. Do you guys know a place to source them from? It looks like everyone is out of the stock and Flowkooler is showing out of stock as well.
 
Oct 14, 2008
8,823
7,775
113
Melville,Saskatchewan
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Nando1970

n00b
Aug 29, 2022
2
1
3
Rockauto
The pump Dayco DP995 linked looks like a standard rotation pump. They even have it listed under the 4.3L gas engine as well. I think RockAuto might have it listed incorrectly. I checked all the other pumps they have listed and they look like standard rotation castings as well for the 1982 and 1983 years.
 

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Oct 14, 2008
8,823
7,775
113
Melville,Saskatchewan
I wondered myself, the length is wrong on that pump description. Weird they get it wrong, myself and others got pumps there. The picture looks wrong but you may get the right pump.
 
Oct 14, 2008
8,823
7,775
113
Melville,Saskatchewan
The length is pretty close. Here is my Flowkooler with the gasket in place. It keeps my 403, nice and cool.
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Oct 14, 2008
8,823
7,775
113
Melville,Saskatchewan
The only way the right pump comes up, is if you put in the 84 model year and the diesel option in a Cutlass Supreme. Yes, it is out stock and looks right in the pic. Weird.
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rfpowerdude

G-Body Guru
Jul 15, 2013
674
1,076
93
Palm Bay, Fla
I have two pumps, not sure when I'm gonna be able to do this. Maybe I could step off one so you can move forward?
 
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oldsofb

Royal Smart Person
Supporting Member
Dec 7, 2007
1,384
4,014
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Maryland
I found these two. The Derale carries the same part number and a quick trip over to their web page confirms it's for the Olds 260 V6. Since the website doesn't even say they sell water pumps, they may have them in stock. They prob sourced them from US Motor Works since the pics are identical.
https://derale.com/catalog

Jegs says it ships from the manufacturer, so a call to Derale to see if they have them might be prudent.
https://www.jegs.com/i/Derale/259/US5012/10002/-1

https://www.ebay.com/itm/3252706635...d=link&campid=5335822911&toolid=20001&mkevt=1

Hutch
 
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