Re: [Amel Yacht Owners] Onan 6.5 MDKDP Water Pump Part Number

sailormon <kimberlite@...>

All you have to do is purchase some brass thumb screws

Like these and modify the cover plate. No need for a speed seal.

knurled head thumbscrew with shoulder.

Fair Winds


Kimberlite Amel Super Maramu #376




From: amelyachtowners@... [mailto:amelyachtowners@...]
Sent: Sunday, February 15, 2015 3:42 PM
To: amelyachtowners@...
Subject: Re: [Amel Yacht Owners] Onan 6.5 MDKDP Water Pump Part Number



Hello Gang,


I’ve used Speed Seal for years on my previous Volvo powered (TDM22) and have nothing but excellent results.  Failure free to 500 hours.. always.  One already fitted in Eleuthera main engine.


I may contribute to a solution as I contacted Speed Seal some time ago with the pump details and asked if they could produce a kit for these Onan/Sherwood pumps…


I will chase them up tomorrow AM (UK) and advise accordingly.


Kind regards,



Jean-Pierre Germain

SY Eleuthera SM007




On 15 Feb 2015, at 19:52, Ann-Sofie Svanberg kanalmamman@... [amelyachtowners] <amelyachtowners@...> wrote:




Hi Bill,

The sea water pump is made by Sherwood and its model number is G702. You find it in Island Water World catalouge under pumps. Its specified to fit Onan models from 6.5 to 10 kw.

I got one of ours rennovated in Trinidad who confirms that it is a Sherwood pump. 


Looking forward to hear more about your experience with speed seal on the Onan, very interested!


Best regards,



Lady Annila

SM #232

Skickat från min iPad

15 feb 2015 kl. 15:28 skrev "pacificcool@... [amelyachtowners]" <amelyachtowners@...>:



I want to buy a Speed Seal impeller cover for my Onan 6.5 MDKDP genset from 1995.  This impeller cover is sold by a UK company. It's a replacement cover that uses knurled knobs to remove the cover making it incredibly easy, especially when in a difficult location as on the Onan.  I have one on my Volvo Penta.  FYI, the newest version has a new feature that allows it to run dry without damage to the impeller.  


I need to find out the part number and OEM for the water pump so Speed Seal can identify which cover I need.  ONAN in Seattle could only give me the Onan part number which they say is 132-0413.  They even gave me the Onan drawing of the part which is actually made by a vendor.  Unfortunately, the vendor name is not on the drawing and they can't find it at Onan.  


My question is does anyone know the OEM and/or part number of the water pump for my Onan genset noted above.  I did find a rebuild kit on eBay for a water pump with Onan part number 132-0111 and Oberdorf part number 50-P-15.  However, it doesn't look like the same part on the Onan drawing.  My boat is in New Zealand and I'm in Seattle making physical check difficult.  BTW the URL for Speedseal is Welcome to Speedseal  


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Bill Shaproski

Pacific Cool



Posted by: Ann-Sofie Svanberg <kanalmamman@...>

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