Sierra 18-9558CAT-4 5W-30 FC-W Full Synthetic Marine Engine Oil 5 Quart

Sierra's 5W-30 FC-WCAT Full Synthetic Marine Engine Oil is an ultra-high performance oil that utilizes premium base stocks and industry leading additives, specifically formulated for 4-stroke marine engines. This advanced full synthetic oil is designed to deliver superior protection for sterndrive, inboard, and tow boat engines operating under demanding conditions.

Key Features:

• Enhanced detergent package to suspend and prevent sludge while reducing friction to maintain high performance
• Prevents thermal and oxidation break down under extreme temperatures
• High shear stability maintains viscosity, preventing excessive thinning in high performance applications
• Advanced ZDDP additive technology prevents phosphorus depletion extending catalyst life
• Can be used in gasoline engines equipped with catalytic converters
• Suitable for fuels on any sulfur level

Specifications:

• Viscosity: 5W-30
• Meets and/or exceeds FC-W Catalyst and FC-W specifications; Meets or exceeds API SM category requirements
• Quantity: 5 Quarts
• Replaces Shell Rotella, Delo, and Indmar

This premium full synthetic marine oil provides the ultimate protection for your marine engine, ensuring reliable performance and extended engine life in the harshest marine environments.