Sierra 18-9440-7 25W-40 Synthetic Blend Marine Engine Oil 55 Gallon Drum

The Sierra 18-9440-7 is a premium 25W-40 synthetic blend marine engine oil specifically engineered for the demanding conditions of sterndrive and inboard marine engines. This advanced 4-cycle oil combines premium synthetic and mineral-based stocks with specially formulated additives designed to handle the unique stresses of marine applications.

Key Features:

• Synthetic blend formulation provides superior protection compared to conventional oils
• Superior corrosion protection against saltwater and moisture exposure
• Advanced lubrication technology reduces wear on critical internal engine components
• Outstanding friction reduction for improved efficiency and extended engine life
• Resists thermal breakdown under high RPMs, extreme temperatures, and heavy loads
• Extensively tested to meet the rigorous demands of marine engine operation
• 25W-40 viscosity grade suitable for a wide range of operating temperatures

This bulk 55-gallon drum is ideal for marine service facilities, fleet operators, and serious boaters who require large quantities of high-quality marine engine oil. The synthetic blend formula ensures your sterndrive or inboard engine receives the protection it needs for reliable performance season after season.