Full Synthetic 10W30 Quart | Sierra 18-9690-2
Sierra's full synthetic engine oil optimizes engine life by reducing friction while providing wear protection in severe operating conditions. Used with outboard and sterndrive applications.
- Sierra full synthetic inboard engine oil
- 10W-30
- 1 quart bottle
- Recommended for gasoline and diesel inboard and I/O engines
- Developed specifically for the marine environment and the high running stresses marine engines encounter
- Reduces friction and wear for long engine life
- Better lubrication effectiveness for longer durations than mineral oils
- Reduces oil consumption and improves fuel economy
- Exceeds all FC-W requirements
- API-CF/SL
