Description
Sierra’s 18-7944 10 Micron Fuel Water Separating Filter is designed to provide reliable fuel system protection in marine engines by removing water and fine contaminants commonly found in ethanol-blended fuels. It features a 10-micron high-efficiency filter media that is over 90% effective at capturing particles as small as 10 microns, helping maintain clean fuel delivery and consistent engine performance. Engineered to flow at 90 GPH, it supports high-demand engines without restricting fuel supply. With a compact 3.875″ (98.4mm) short design and 11/16-16 thread pitch, this filter delivers dependable fitment and performance in demanding marine environments.
Features
- 10-micron filtration removes fine particles and water contaminants from fuel
- Over 90% efficiency at capturing particles as small as 10 microns
- Flows up to 90 GPH to support high horsepower engine fuel demand
- Short 3.875″ (98.4mm) design for compact installation applications
- 11/16-16 thread pitch for secure and reliable fitment
- Filter Size: Short – 3.875″ or 98.4mm
- Rating: 10 Micron
- Ethanol blended fuel absorbs more water and loosens more particulants than regular fuels
- Proper filtration is required for every horsepower engine
- Sierra’s 10 micron filters are over 90% efficient at removing particles as small as 10 micron
- All filters flow at 90 GPH to feed even the hungriest motor






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