Sierra Marine products are engineered to surpass today’s high horsepower engine demands and stand up to the harsh marine environment.
All marine products both meet or exceed the original equipment part it replaces.
Sierra Marine are the leading supplier of marine engine and drive parts with over 50 year in business, offering 1,000’s of parts.
- Outboard
- Permanent Magnet Gear Reduction
- 6:1 Gear Reduction Ratio
- For Use With Mercury Marine Engines
