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If your MerCruiser Alpha One Gen 2 is ventilating or you just busted the old plate, here’s the replacement.

This is a brand new left-side cavitation plate from WSM, part number CP12L.

It’s the fin that sits just above the prop to help it bite better and prevent cavitation during turns.
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It’s a direct swap for the factory part.

If you're handy with a wrench, this is an easy fix to get your boat performing right again.


4.8 out of 5