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Description
Sierra 18-3728 Mercruiser Lock Nut
Sierra high-quality engine parts are designed to meet OEM specifications. For use on Mercruiser Stern Drives.
- For MCM rear engine mount
Interchangeable with:
- GLM
- 19350
- Mercruiser Stern Drive
- 11-863332
- 11-99298
California Residents: 
WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov
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