Sierra 18-9440CAT-7 Synthetic Blend Marine Engine Oil 25W40 FCW 55 Gallon Drum

Sierra 18-9440CAT-7 is a premium synthetic blend 4-cycle marine engine oil specifically formulated for modern inboard and sterndrive engines. This 25W40 viscosity oil is designed to meet the demanding requirements of recreational marine engines with or without catalytic emission systems, providing superior protection in both freshwater and saltwater environments.

Key Features:

• NMMA FC-W® Certified and API-SL rated for marine engine applications
• Advanced corrosion inhibitors minimize internal engine corrosion from moisture exposure
• Enhanced detergent and dispersant properties suspend contaminants and prevent sludge formation
• Industry-leading wear protection and deposit control for extended engine life
• Maintains viscosity stability under extreme performance and high-temperature operations
• ZDDP (Zinc Dialkyl Dithiophosphate) anti-wear additive technology prevents phosphorus depletion and extends catalyst life

This 55-gallon drum is ideal for marine service facilities, fleet operators, and high-volume users who demand professional-grade lubrication for their 4-stroke marine engines. The synthetic blend formulation provides excellent protection against wear, rust, and oxidation while meeting stringent marine industry standards.