SIERRA 4 Stroke Outboard/Sterndrive Synthetic Motor Oil - 10W-30 - 1 Gallon

Sierra's 4-stroke synthetic blend outboard/sterndrive motor oil is specifically designed to protect and enhance the performance of marine engines operating in demanding conditions.

Key Features:
Synthetic Blend: Combines the benefits of synthetic and mineral base oils for superior performance and protection.
10W-30 Viscosity: Provides excellent lubrication across a wide range of operating temperatures.
Outboard/Sterndrive Compatibility: Formulated to meet the specific needs of these engine types.
Enhanced Protection: Protects against wear, corrosion, and deposits.
Improved Performance: Offers faster startup, smoother operation, and better fuel economy.
NMMA FC-W Certified: Meets or exceeds the National Marine Manufacturers Association's standards for water-cooled engines.