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Which Impeller do I need?

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I'm heading to Lake Powell in a few weeks and like to carry a spare impeller with me, just in case...   New boat to me and had a new impeller installed by the BU boat mechanic last fall so I'm not sure which impeller he installed.  Should have asked, but I didn't.  This is the labeling on my water pump cover.  From my research, I can't find anything for sure but I'm assuming I need the Johnson 09-812B-1 Impeller Service Kit.   Can anybody confirm that's the right one so I order correctly?


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22 hours ago, COOP said:

Its a standard Johnson pump impeller.

Easiest one to find is the Sierra 18-3306

Thanks @COOP Much appreciated!

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