Skip to content Skip to navigation menu

Sierra-Propnut Omc Kit


Model # 549766 | Mfg # 18-3715D
In stock online.
The prop nuts (lock nut design) bolt the prop to the prop shaft, and will break when the water surrounding it freezes. This kit contains a replacement nut, washer and pin.

West Advisor

The West Advisor articles have answered boaters' questions and provided solutions to boating problems for more than 20 years. West Marine has compiled one of the Web's most comprehensive collections of technical boating information articles.