Cummins Onan Generator Parts

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tico

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Have a 4KVA Cummins/Onan Generator installed that is really in need of a service.
The previous owner left a set of replacement parts (impeller, oil & fuel filters) so I have the relevant numbers, but I'll need to replace them.
Any suggestions as to the best value / cheapest source ??
 
Where are you? We have a boat owner in the marina (Titchmarsh, NE Essex, UK) who has a factory locally which builds generators using Cummins & Cats. Don't see him that often but will ask when I next do. (he might not do those generators but has been a good source of Cummins information/supplies).
 
It has been said on here that the Onan sea water impeller can be replaced with a Jabsco Neoprene one.
A lot cheaper and lasts a long long long time.
Thats what I use on my 17Kw Onan.
But you had better check that is is compatible.
Just check that yours uses the Sherwood 10615 Impeller.
I think that pump is pretty standard.
Here is a link to one 18948-0001B JABSCO IMPELLER
 
Hurricane said:
I always get my filters from Inline Filters - see here Inline Filters - UK's leading Filter Specialists
Just search for the Onan part number in their search on the above page.

My Inline Filters Onan compatible filter is this one:-
https://inlinefilters.co.uk/Filters-Lube/SpinOn/Round/FIN-FL70554/

Much cheaper than the manufacturers spares.

EDIT
Do the same for your engine filters (oil and breathers etc - Inline sell lots of filters)
They also supply Separ compatible diesel filters
Click to expand...


Adding to Hurricanes post if you require genuine parts then Sea Power Marine are official Onan/ Cummings dealers, good prompt service.
 
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