25W-40 Catalyst Marine Engine Oil, 1 quart | Sierra 18-9440CAT-2

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Description

• Sierra synthetic blend catalyst inboard engine oil
• SAE 25W-40
• 1 quart bottle
• Recommended for use with inboard and I/O marine engines with catalyst exhaust systems
• Meets the requirements of modern 4-stroke recreational inboard, I/O, and outboard engines with or without emission catalyst systems
• Developed specifically for the marine environment and the high running stresses marine engines encounter
• Protects internal engine components from rust and corrosion
• Features high detergency, antiwear proprties, and dispersants to prevent engine sludge
• ZDDP anti-wear additive prevents phosphorus depletion and extends the emission catalyst life
• NMMA FC-W certified/API-SL
• Replaces Mercury 92-8M0078629
• Replaces Sierra 18-9440CAT-4P

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