Sierra Marine 4-Stroke Catalyst Engine Oil (MPN: 18-9440CAT-2)

High-performance synthetic blend for modern marine engines

Sierra Marine 4-Stroke Catalyst Engine Oil is specifically formulated to meet the rigorous demands of modern 4-stroke recreational engines, whether they are equipped with emission catalyst systems or not. This synthetic blend oil provides superior protection against corrosion, ensuring the longevity and reliability of marine engines in harsh environments. With enhanced detergent properties, it effectively suspends and prevents engine sludge formation, contributing to optimal engine performance.

The oil features industry-leading wear protection and deposit control, which minimizes excessive thinning during extreme performance operations. Utilizing advanced ZDDP anti-wear additive technology, it prevents phosphorous depletion, thereby extending the life of emission catalysts. Certified by NMMA FC-W and API-SL, this engine oil meets or exceeds the requirements of original equipment parts, making it a trusted choice for marine applications.

Features

• Meets Requirements Of Modern 4-Stroke Recreational Engines With Or Without Emission Catalyst Systems
• Minimizes Corrosion That Is Formed Inside The Engine
• Displays Enhanced Detergent Properties To Suspend And Prevent Engine Sludge Formation
• Industry Leading Wear Protection And Deposit Control
• Prevents Excessive Thinning Under Extreme Performance Operations
• Capitalizing On "ZDDP" Anti-Wear Additive Technology
• Prevents Phosphorous Depletion And Extends The Emission Catalyst Life
• NMMA FC-W Certified And API-SL

Specifications

• Manufacturer: Sierra Marine
• Manufacturer Part Number: 18-9440CAT-2
• Use: Marine Use
• Engine Type: 4 Stroke
• Viscosity Grade: SAE 25W-40
• Type: Synthetic
• Unit Size: 1 Quart
• Unit Quantity: Single
• Universality: Semi-Universal
• Unit Type: Bottle

Technical Documents

• 18-9440CAT-2_sds.pdf

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