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05 water pump on 00 c5 ?

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Old Sep 27, 2012 | 09:49 AM
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Default 05 water pump on 00 c5 ?

Can i use a 2005 waterpump on a 2000?

I have seen posts stating others have upgraded to a 2004+ water pump however pictures on rock auto show the 2004 that looks like my 2000.

the O5 version looks a bit different
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Old Sep 27, 2012 | 10:37 AM
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Originally Posted by Got uid0
Can i use a 2005 waterpump on a 2000?

I have seen posts stating others have upgraded to a 2004+ water pump however pictures on rock auto show the 2004 that looks like my 2000.

the O5 version looks a bit different
Other than the thermostat housing, what is the "upgrade"?
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Old Sep 27, 2012 | 01:11 PM
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All new C5 replacement pumps from GM are the 04 to present style. GM parts no longer stocks new 97-03 style pumps, but they are still available in some aftermarket and rebuilt brands.

The new style pump has a lighter weight belt pulley, which yields a slight reduction in rotating mass, but I wouldn't rate that as a significant upgrade over the old style either.
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Old Sep 27, 2012 | 01:21 PM
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i installed a LS2 water pump on my ls6 in order to clear my fast 102mm setup. works like a charm.
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Old Sep 27, 2012 | 01:32 PM
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I put the newer style on during my build. I don't know if it is much of an upgrade but the pump has less rotating mass since the pulley was changed. The older style was developed so that it could run two serpentine belts simultaneously. There is no reason not to use the newer design.
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Old Sep 28, 2012 | 06:20 PM
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Originally Posted by lucky131969
Other than the thermostat housing, what is the "upgrade"?
That would be pretty much it. I had to replace mine that that lasted 150k

Was looking for options to weigh out.

Thanks
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