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Description
Sierra 18-3703 Prop Nut
A special molded nylon propnut fitting the 18/20/25 Hp 2 cycle 1980 & newer.
- Also fitting the F9.9/15, 323cc Bigfoot 4-stroke
Interchangeable with:
- Chrysler/Force/US Marine
- 11-88228
- GLM
- 21242
- Mallory
- 9-73963
- Mercury Marine
- 11-88228
- Sears
- 11-88228
California Residents: 
WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov
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