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Old 23-02-2015, 16:21   #1
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3gm30f raw water pump

Hi all, 3gm30f yanmar 1996. I have the water pump">raw water pump with the round plate and gasket seal, I think the European version? To buy a yanmar pump is $600 Aud!!! I think I read some where on this forum about a Johnson alternative? Can someone clarify or give me some specifics.
Thanks in advance Dale.

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Old 23-02-2015, 16:53   #2
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Re: 3gm30f raw water pump

Dale, I can't help with the Johnston replacement, but have you looked into getting yours rebuilt. I had one of mine rebuilt new shaft, seals, bearings etc for much, much less than a new one. Used one of our local engineering / diesel mechanics. Had to buy shaft from Yanmar though.

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Old 23-02-2015, 23:15   #3
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Re: 3gm30f raw water pump

Call Depco Pumps, Clearwater Florida 800-446-1656
I bought Johnson replacement pump for my 3GM
think # F4B-903?? but call and check model, price is much lower than Yanmar pump.
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Old 24-02-2015, 17:39   #4
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Re: 3gm30f raw water pump

Thanks, sent email today.

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Old 25-02-2015, 08:44   #5
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Re: 3gm30f raw water pump

I replaced my pump with the European on (made by Johnson).

Much cheaper!

Works fine.
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Old 25-02-2015, 09:56   #6
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Re: 3gm30f raw water pump

Skylark's 2005 Yanmar 3GM30F has a Johnson pump installed by Yanmar from when the engine was built.

Email Claude Smith at bay.shore2@verizon.net He is a big Yanmar parts dealer near Annapolis and his prices are unbeatable.

Claude knows all about Yanmars.

Good luck.
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Old 25-02-2015, 10:05   #7
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Re: 3gm30f raw water pump

I agree with the rebuild, unless the pump is toast....
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Old 25-02-2015, 11:11   #8
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Re: 3gm30f raw water pump

The European version of the engine used the Sherwood.
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Old 25-02-2015, 16:24   #9
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Re: 3gm30f raw water pump

I have a 3YM30, (european) and had the johnson pump rebuilt cost 100 euro
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