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Water Pumps on 4JH

Posted: Tue Aug 11, 2015 2:58 pm
by Gusto
I need to replace a water pump on my 100 hp Yanmar. The Yanmar distributer wants $876.93. Has anybody found a less expensive replacement?

Re: Water Pumps on 4JH

Posted: Wed Aug 12, 2015 10:13 am
by teamwork
Check your dealer for a re-man. I carry a re-man as a spare. Don't remember the cost, think under $400.00 Roger on Teamwork

Re: Water Pumps on 4JH

Posted: Wed Aug 12, 2015 10:17 am
by teamwork
Get a second opinion, they can be rebuilt. Teamwork

Re: Water Pumps on 4JH

Posted: Sat Aug 22, 2015 5:44 pm
by Gusto
My local Yanmar dealer found that the 3JH water pump is the identical Johnson pump as the 4JH with a different discharge nipple and sells for way less than half the price of the 4JH pump. He changed nipples and successfully installed the 3JH pumps into my 4JH engines. Yanmar pricing policies??