Description
Sierra’s 18-7981 Fuel Filter is designed to provide ultra-fine fuel filtration for marine engine applications where maximum fuel cleanliness is critical. With a 4-micron rating, it helps capture extremely small contaminants before they reach sensitive fuel system components, supporting smoother operation and improved engine reliability. Engineered for durability in harsh marine environments, this filter is built to maintain consistent fuel flow while delivering high-level protection. Manufactured to meet or exceed OEM specifications, it ensures dependable performance in demanding applications.
Features
- 4-micron ultra-fine filtration helps capture very small fuel contaminants
- Supports clean fuel delivery for improved engine performance and reliability
- Designed for demanding marine fuel system protection applications
- Helps protect injectors and sensitive fuel system components
- Meets or exceeds OEM specifications for marine durability
- Micron Rating: 4
- Premium quality for longer life
- Meets or exceeds manufacturer specs
- Backed by Sierra’s limited lifetime warranty






Reviews
There are no reviews yet.