Originally Posted by Dockhead
Don't do what I did -- buy a spare without verifying that it actually fits.
You are not Robinson Crusoe!
I have just found out the two spare impellers I have don't fit
One was supplied as part of the spares package when I purchased the engine
new from the Aussie Yanmar
distributor. The other was provided by an authorised Yanmar
dealer; I supplied the engine
model and serial
number at the time. Both are the correct part number for the 2GM20
and are referenced in many places around the web! The other parts
in the spares package are correct.
The Johnson water
pump (F4B-902; 10-24509-02) fitted to my engine is clearly different to that what Yanmar thinks they fitted. Oh well, it's off to the local Johnson agents tomorrow!
The good news is that I no longer need to worry the shelf life of these impellers .