Synthetic Blend Engine Oil 5 Quart 25W40 | Sierra 18-9440-4

Synthetic Blend Engine Oil 5 Quart 25W40 | Sierra 18-9440-4

SIERRA 5 Quart 25W40 Synthetic Blend Engine Oil | 18-9440-4

Synthetic blend 25W-40 engine oil is formulated for stern drive & inboard marine engines.

• 5 Quart 25W-40 Synthetic Blend Inboard and Sterndrive Engine Oil
• 4-cycle oil is blended with premium grade synthetic and mineral base stock combined with superior design 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