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525EFI water pump


Old 05-29-2014, 03:12 PM
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Join Date: Jan 2005
Location: Chester Va
My Boat: 2005 Fountain 47(sold) & 1989 SeaRay Pachanga22 TX19 WarHawk Jet
Posts: 205
Default 525EFI water pump

The water circulating pump on the closed cooling system is leaking out of one of the weep holes the mercury # is 811573A04 at $325 bucks. Will the Sierra #18-3577 work ? or does anyone know which one will ?
Cole-One is offline  
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Old 05-13-2018, 01:53 PM
Join Date: Dec 2013
Location: Germany
My Boat: 2005 BAJA 275
Posts: 291

An old Thread,but exact what i also like to know!
There are some aftermarket pumps with referenz number 811573 in description!
Will they fit for Merc number 811573A04???
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