This oil is specifically formulated for the heavy duty inboard marine market. Premium base stocks and additive package ingredients places Sierra Heavy Duty at the leading edge of lubrication technology.

Sierra Marine 1894407 Attributes

• Viscosity Grade: SAE 25W-40
• Type: Synthetic
• Unit Size: 55 Gallon
• Unit Quantity: Single
• Universality: Fully Universal
• Use: Sterndrive And Inboard Engines
• Unit Type: Drum

Sierra Marine 1894407 Features & Benefits

• 4-Cycle Oil Blended With Premium Grade Synthetic And Mineral Based Stock
• NMMA FC-W Certified
• Superior Designed Additives Formulated For The Stress Endured By Sterndrive And Inboard Engines
• Superior Corrosion Protection
• Advanced Lubrication For Reduction Of Wear To Internal Engine Components
• Outstanding Friction Reduction And Wear Protection
• Removes Thermal Breakdown Under High RPM's, Extreme Temperatures And Loads
• Extensively Tested For Outstanding Performance
• No Supplier Warranty