Sierra's Premium Blend 25W-40 engine oil is specially formulated to meet the needs of inboard & stern drive marine engines.

• Sierra premium blend sterndrive or inboard engine oil
• SAE 25W-40
• 5 quart jug
• Recommended for use with inboard and sterndrive applications
• Developed specifically for the marine environment and the high running stresses marine engines encounter
• Out performs standard 4-cycle automotive engine oils
• Protects internal engine components from rust, corrosion & from sticking piston rings
• Features excellent detergency, anti-oxidants & anti-wear properties
• Excellent low temperature operating properties
• Meets or exceeds quality performance API SJ CF-4 CH-4
• Ideal for use in Mercruiser & OMC engines
• NMMA FC-W certified
• Replaces Yamaha LUB-20W40-FC-04
• Replaces Bel-Ray 99730-BT4
• Replaces Sierra 18-9400-3