water pumps
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Senior User
Joined: May 2005
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From: shiloh, kentucky
water pumps
I have a 95 psd. the question I have is concerning water pumps. should i use a newer 96/97 water pump on mine if I replace it? I remember reading something about the thermostats being different. is that so? and if it is, whats different witht he stat and the pump? anything else I need to know or consider before replacing it?
thanks
thanks
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Joined: Nov 2001
Posts: 1,743
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From: Ft Scott
Either the 94/95 or 96/97 waterpump will work. There are two differences between the two. The bypass seat is deeper on the 96-97 and it takes a different thermostat with a longer neck. For the 94-95 you can get either a 192 or 203 degree t'stat but for the 96-97 you can only get a 192 unless you order one from Bob at Dieselsite. There is also a good explanation of the differences on Rileys website.
http://www.dieselsite.com/index.asp?...ROD&ProdID=186
The nipple for the return from the heater core is also different. on 94-95 it was NPT and for the 95-96 it's straight threads with an o-ring.
http://www.dieselsite.com/index.asp?...ROD&ProdID=186
The nipple for the return from the heater core is also different. on 94-95 it was NPT and for the 95-96 it's straight threads with an o-ring.
