Shop Sierra Marine 18-9440-7 25W-40 synthetic blend engine oil with NMMA FC-W certification and corrosion protection for sterndrive fleets.
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Sierra Marine 18-9440-7 Synthetic Blend Marine Engine Oil is formulated for sterndrive and inboard marine engines operating under high RPM loads and demanding marine conditions. Packaged in a 55-gallon drum, this SAE 25W-40 oil combines premium synthetic and mineral base stocks to provide stable lubrication across extended operating periods. || The NMMA FC-W certified formulation includes advanced anti-wear additives engineered for marine engine stress, helping reduce internal component wear while improving protection against corrosion caused by moisture and saltwater exposure. Its thermal stability supports consistent viscosity under elevated temperatures and heavy-duty operation. || Ideal for marinas, service facilities, and fleet maintenance programs, this bulk oil solution supports multiple engine service intervals while meeting or exceeding marine manufacturer recommendations. Sierra’s synthetic blend technology delivers dependable lubrication performance for sterndrive and inboard powerplants.
| Brand | Sierra Marine |
|---|---|
| Model | Synthetic Blend Oil |
| MPN | 18-9440-7 |
| Product Type | Marine Engine Oil |
| Material | Synthetic Blend |
| Finish Color | Amber |
| Dimensions | 55 Gallon Drum |
| Weight (lb) | Not Published |
| Load Capacity | 55 Gallons |
| Drawer Count | Not Published |
| Drawer Type | Not Published |
| Lock Type | Not Published |
| Mount Type | Not Published |
| Installation | Pour Fill |
| Compatibility | Sterndrive Engines |
| Use Case | Marine Lubrication |
| Warranty | Limited lifetime |
| Country of Origin | Not Published |
| Series | FC-W Marine |
| UPC | 808282228903 |
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