Skip to content
High-performance oil designed for marine engines and harsh environments.
Sierra Marine Full Synthetic Engine Oil is specifically formulated to meet the rigorous demands of high horsepower marine engines. This SAE 30 oil features a special blend of synthetic base oil and a balanced additive system that exceeds NMMA FC-W requirements, ensuring optimal performance in both gasoline and diesel inboard and sterndrive engines. The superior engine protection provided during startups, operation, and storage helps to reduce friction and wear, contributing to an extended engine life.
This oil offers longer lubrication effectiveness compared to traditional mineral oils, which translates to reduced oil consumption and improved fuel economy. Packaged in a convenient 5 quart jug, it is designed for easy handling and application. Sierra Marine has over 50 years of experience in supplying marine engine and drive parts, ensuring that their products meet or exceed the original equipment specifications for reliability and performance.
Features
- Special Blend Of Synthetic Base Oil And A Balanced Additive System That Exceeds FC-W Requirements
- Recommended For Gasoline And Diesel Inboard And Sterndrive Engines
- Superior Engine Protection During Startups, Operation And Storage
- Reduces Friction And Wear For Extended Engine Life
- Longer Lubrication Effectiveness Than Mineral Oils
- Reduces Oil Consumption And Improves Fuel Economy
- Convenient 5 Quart Container
- API-CF And SL
Specifications
- Manufacturer: Sierra Marine
- Manufacturer Part Number: 18-9410-4
- Use: Marine Use
- Engine Type: 4 Stroke
- Viscosity Grade: SAE 30
- Type: Synthetic
- Unit Size: 1.25 Gallon
- Unit Quantity: Single
- Universality: Semi-Universal
- Unit Type: Jug
Technical Documents
Product Videos
Shipping & Returns
- This product ships within the continental USA only.
- This product typically ships within 1 to 3 business days.
This item is NOT returnable. For complete details, please see our return policy.
