6.7 Water Pump on a 5.9
Will it work? I had this discussion with a buddy and now my water pump is leaking. The 6.7 has 7 blade impeller where the 5.9 has 5 blades. Anyone use a 6.7 on their 5.9 yet? I just called my local Cummins dealer and that guy knew nothing about their compatibility. I'm guessing the 6.7 flows more water and in return would keep the engine cooler. Thoughts?
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No idea if it will fit, however it is possible to move coolant too fast, if it doesn't stay in the radiator long enough it can over heat.
In high performance after market muscle car stuff the make flow reducers to slow the coolant flow after you put on the high flow waterpump. It fixes a problem the builder created themselves. |
Originally Posted by Flake
(Post 3241305)
No idea if it will fit, however it is possible to move coolant too fast, if it doesn't stay in the radiator long enough it can over heat.
In high performance after market muscle car stuff the make flow reducers to slow the coolant flow after you put on the high flow waterpump. It fixes a problem the builder created themselves. If the 6.7 pump fits I would put one on. I don't see why it wouldn't but I don't know for sure. They sure look the same at a casual glance. |
It will fit and work just moves a higher volume of coolant
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LOL, most of us have a hard time building enough heat.........
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I went ahead and installed the 6.7 pump yesterday along with a factory Cummins thermostat. I will say the my operating temps have dropped (about an 1/8" on the guage, rides right on the 1/4 mark) and I don't see any fluctuation when pulling up inclines like I used to. I'm not sure if thats the pump or the thermostat but I'm happy with it. Heat index here in N. Central Florida is 110 this time of year and pulling my boat would raise my temps so I was looking for increased cooling. I realize that in most parts of the country this won't be needed as these run fairly cool most of the time. All in all, I'm happy with the cooling performance of my truck now we'll see how it does when I hook the boat up this weekend.
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Excellent, thanks for the report. I'll be putting one on mine when it's time.
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I believe i see a 6.7 pump as well when it comes time for a new water pump!
Sent from my iPhone using IB AutoGroup |
Originally Posted by Flake
(Post 3241305)
No idea if it will fit, however it is possible to move coolant too fast, if it doesn't stay in the radiator long enough it can over heat.
In high performance after market muscle car stuff the make flow reducers to slow the coolant flow after you put on the high flow waterpump. It fixes a problem the builder created themselves. My next one will be the 6.7 also. |
Do you have a picture of the two pumps side by side? How are the props different?
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2 Attachment(s)
Originally Posted by GasganoFJ60
(Post 3241528)
Do you have a picture of the two pumps side by side? How are the props different?
Attachment 52069 6.7: Attachment 52070 Make sure to buy a pump for a 2007.5-2012 6.7 |
Do you have a cummins part # handy?
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Originally Posted by bigragu
(Post 3241661)
Do you have a cummins part # handy?
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Thanks a plenty for the part # and Carquest tip!
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Originally Posted by gyman98
(Post 3241542)
5.9:
http://i222.photobucket.com/albums/d...223584F955.jpg 6.7: http://i222.photobucket.com/albums/d...A16CD70447.jpg Make sure to buy a pump for a 2007.5-2012 6.7 Jim |
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