Description
Sierra 18-3786 Prop Nut is a premium marine replacement part engineered specifically for the rear position on MerCruiser Bravo III stern drives. It is designed to meet or exceed original manufacturer standards and is backed by Sierra's limited lifetime warranty.
Compatibility & Interchanges
This prop nut directly replaces the following original equipment manufacturer (OEM) part numbers:
- MerCruiser:
11-805093
- Mercury: 11-862907