Description
Sierra’s 18-7977-1 Fuel Filter with O-Rings is designed to provide reliable fuel system protection for 2004 and newer MCM/MIE engines equipped with Gen III fuel coolers. It features a 20-micron filtration rating to help capture fine contaminants and support clean fuel delivery for consistent engine performance. Supplied with O-rings for proper sealing and straightforward installation, this filter is engineered for dependable operation in marine environments. Built to meet or exceed OEM specifications, it delivers durability and reliable filtration performance in demanding applications.
Features
- 20-micron filtration helps capture fine fuel contaminants
- Includes O-rings for secure sealing and easy installation
- Designed for 2004+ MCM/MIE engines with Gen III fuel cooler
- Supports clean fuel delivery and consistent engine performance
- Meets or exceeds OEM specifications for marine reliability
- Fits: 2004 & newer MCM/MIE engine with Gen III fuel cooler
- Micron Rating: 20
- Includes O-Rings
- Premium quality for longer life
- Meets or exceeds manufacturer specs
- Backed by Sierra’s limited lifetime warranty






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