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Physical differences in Sierra 18-3000 Series Impellers

cgodfrey

New member
I've got a small box of loose, but new, impellers for various vintage small OMC outboards.

There are a few torn open, empty bags in this box as well, so I'm sure they're all Sierra 18-3000 series (18-3001, 18-3002, 18-3003, etc) but I'm struggling to visually tell the difference between them all. I'd really like to get them sorted and labeled so as to use the correct ones when they're called for.

Can anyone tell me the nitty gritty differences between these impellers so I can figure out what's what?
Seems like a shame to not use these. How much disaster am I looking at if I install the wrong ones?

Chris
 
As far as I am concerned they may be old and no good.-------------Go with factory impellers , better quality and cheaper in the long run.
 
Yeah, these are for my own use. Most of them were purchased new by me in the last couple years or so for projects that I abandoned and ended up parting out. They're still soft and springy.
 
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