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04-22-2013, 07:23 PM
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#1 |
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Registered User
Join Date: Apr 2013
Location: nc
Posts: 59
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removed my water pump is it my original?
came off my 87 says 376444
also says GM and looks to be 81 and has a date code of 012. doesn't add up but i've owned the truck since 91 surely it wasn't replaced before i bought it? |
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04-22-2013, 08:35 PM
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#2 |
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Second Chance Program
Join Date: Jun 2006
Location: Portland, OR
Posts: 2,642
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Re: removed my water pump is it my original?
What year is your truck?
__________________
90 Chevy Suburban 2500 5.3 swap/th400/np241/14bltSF/10blt. 77 C20 crew cab Silverado. 396/th400. In work. |
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04-23-2013, 09:33 AM
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#3 |
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Registered User
Join Date: Oct 2003
Location: houston, texas
Posts: 1,974
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Re: removed my water pump is it my original?
If its GM it will have a machined neck on it for hose. You can buy new ZZ4 GM water pumps for $45 shipped
Posted via Mobile Device
__________________
2008 Silverado Z71 RCSB 1991 GMC Jimmy 4x4 1976 GMC Sierra C15 SWB |
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04-23-2013, 10:07 AM
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#4 |
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Registered User
Join Date: Apr 2013
Location: nc
Posts: 59
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Re: removed my water pump is it my original?
truck is an 87 and it's 100% a gm pump it says GM on it casted in
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04-23-2013, 08:44 PM
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#5 |
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Second Chance Program
Join Date: Jun 2006
Location: Portland, OR
Posts: 2,642
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Re: removed my water pump is it my original?
Then its probably an original! Good stuff.
__________________
90 Chevy Suburban 2500 5.3 swap/th400/np241/14bltSF/10blt. 77 C20 crew cab Silverado. 396/th400. In work. |
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04-23-2013, 09:07 PM
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#6 | |
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Registered User
Join Date: Apr 2013
Location: nc
Posts: 59
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Re: removed my water pump is it my original?
Quote:
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04-24-2013, 01:54 AM
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#7 |
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Registered User
Join Date: Jan 2009
Location: Louisville,Ky
Posts: 5,811
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Re: removed my water pump is it my original?
81 could have been the year they made the casting and used it a few years later maybe.
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