Sierra 118-7718 Inline Fuel Filter for Mercury Marine Outboards

The Sierra 118-7718 is a high-quality inline fuel filter designed specifically for Mercury and Mariner marine outboard engines. This under-cowl fuel filter provides reliable filtration to protect your engine's fuel system from contaminants and debris.

Key Features:

• 30 micron filtration rating for optimal fuel cleanliness
• 5/16" inline design mounts under the engine cowl
• Sonically sealed end caps for leak-free performance
• OEM-matched filter media for maximum flow with no restrictions
• Approved and tested for use with ethanol-based fuels (E10)
• Meets or exceeds Mercury Marine OEM specifications

OEM Cross-Reference: Replaces Mercury Marine part numbers 35-879885K, 35-879885Q, and 35-879885T. This direct replacement filter makes installation quick and easy.

Sierra Marine manufactures premium aftermarket marine engine parts engineered to withstand harsh marine environments. Regular filter replacement is recommended every 50 hours of operation or at least once per year during winterization to maintain peak engine performance and fuel system protection.