Details
https://www.overtons.com/sierra-marine-18-3703-prop-nut-for-mercurymariner-9.9-25hp-86-and-up-320682.html
Sierra Marine 18-3703 Prop Nut, For Mercury/Mariner 9.9-25hp '86 and up
Item No. 320682
$2.84
$2.99
Additional Information
Worn or scored prop nuts can cause damage to your prop shaft and propeller face. Protect your drive system by changing your prop nut when replacing or inspecting your propeller.
Sierra No. 18-3703
For use with Mercury/Mariner: 9.9 - 25 hp, 1986 and up
Replaces No. 11-88228
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Sierra No. 18-3703
For use with Mercury/Mariner: 9.9 - 25 hp, 1986 and up
Replaces No. 11-88228