Sierra Marine 18-3714 Brass Castle Washer
Sierra 18-3714 Replacement for Mercruiser # 12-31211A2. Supports prop nut and locking tabs for prop nut. This washer was used on all traditional rubber hubbed propellers.
Not used with newer style Flo Torq II or Michigan Vortex style propellers.
Not used with newer style Flo Torq II or Michigan Vortex style propellers.
| Brand | Sierra |
|---|---|
| Cross Reference / Specs | 1231211 1231211A2 1231211A3 1231211Q03 21360 9-73902
12-31211 12-31211A2 12-31211A3 12-31211Q03
|
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