25W-40 FC-W Synthetic Blend Oil, Qt. | 18-9440-2

Sierra 18-9440-2 is a 4-cycle oil blended with premium grade synthetic and mineral based stock. It features superiorly designed additives formulated for the stress endured by sterndrive and inboard engines, and is extensively tested for outstanding performance.

• 4-cycle oil blended with premium grade synthetic and mineral based stock
• 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
• NMMA FC-W Certified/API-SL