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Add to CartSierra replacement propeller nut for Mercruiser Stern Drives.
Interchangeable with:
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California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Sierra 18-3726 Prop Nut Sierra replacement prop nut for Suzuki and Yamaha Outboards. Interchangeable with: GLM 21241 Mallory 9-73909 Suzuki Outboard 09141-18005 Yamaha...
Prop nut for Johnson/Evinrude Replaces: OEM - 318971 GLM - 22160 Redline - RL3706 Thread: 1/2" - 13 Wrench Size: 13/16" SAE / 21mm Metric
Sierra 18-3732 Yamaha Prop Nut Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable with: Mallory 9-73908 Yamaha...
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...
