I had a bearing failure on my pump, last year, and purchased a replacement from Marine Pumps Direct. It was a direct replacement for the Yanmar pump at about a third of the price of the Yanmar. . Impeller is slightly different.
https://marinepumpdirect.com/search.php?search_query=yanma§ion=product Alan Bergen 35 Mk III Thirsty Rose City YC Portland, OR On Mon, Aug 3, 2020 at 8:19 AM Chuck Gilchrest via CnC-List < cnc-list@cnc-list.com> wrote: > Many C&C yachts with Yanmar 3GM and 3HM diesels we’re actually fitted with > raw water cooled engines, outfitted at the C&C factory with a Fresh Water > conversion kit made by Sendure. This was a cost savings for C&C. Those > systems use the Yanmar belt driven water pump as a fresh water pump mounted > low on the engine and have an added Jabsco belt drive pump for raw water > system mounted higher up. Both use rubber impellers (not great). Factory > Yanmar 3GMF and 3HMF use metal impellers on the circulation side and the > pump mounts up at the thermostat. The rubber impellers are not ideal as a > circulation pump as the coolant temperatures are significantly higher than > experienced on the raw water side. I’ve also experienced bearing failures > with the Yanmar pump which costs upwards of $600. > Chuck Gilchrest > Half Magic > 1983 Landfall 35 > Yanmar 3HM > > > > On Aug 3, 2020, at 10:54 AM, ALAN BERGEN via CnC-List < > cnc-list@cnc-list.com> wrote: > > > Mazen: I don't think you have a 3gm. Jon's pictures of a 3qm are more > likely what you have. > > Alan > > > > On Mon, Aug 3, 2020 at 6:29 AM JP Mail via CnC-List <cnc-list@cnc-list.com> > wrote: > >> Upper is coolant pump. Lower is raw water pump. >> Go here for a pic: >> https://psyberspace.com.au/yanmar/anatomy.htm >> <https://urldefense.com/v3/__https://psyberspace.com.au/yanmar/anatomy.htm__;!!LIr3w8kk_Xxm!5GNaFYai5HjvmBs6CvRLww2EF4nl6Fqx0hEMhbaI2LCZGvRjoCGO1YnZD3qMPToa3SQ$> >> Jon >> 35-3 >> _______________________________________________ >> >> Thanks everyone for supporting this list with your contributions. Each >> and every one is greatly appreciated. If you want to support the list - >> use PayPal to send contribution -- >> https://urldefense.com/v3/__https://www.paypal.me/stumurray__;!!LIr3w8kk_Xxm!5GNaFYai5HjvmBs6CvRLww2EF4nl6Fqx0hEMhbaI2LCZGvRjoCGO1YnZD3qMlJb1pec$ >> >> _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- > https://urldefense.com/v3/__https://www.paypal.me/stumurray__;!!LIr3w8kk_Xxm!80ocNRpXtW2jhCeFcw_COrC2LZ4Q4aqAJHOqyG0eNlg0iwEdZE5bcTvhxDHFGyTr1Zg$ > >
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