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Description
Sierra 18-7866 Fuel Water Separator Filter for Yamaha Outboards
Sierra replacement fuel water separator for use with Yamaha engines. Sierra fuel water separators remove over 99.8% of emulsified water from your gasoline. 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. Sierra 10 micron filters are recommended to prevent damage to sensitive inboard and outboard fuel injection systems.
Features:
- SAE, JIS and ISO tested and approved
- Epoxy coated steel canister prevents corrosion from reaching your fuel system
- Pressure and leak tested to ABYC and USCG standards
- Independently lab tested
- Designed to meet or exceed OEM requirements
Specifications:
- Filter Size: High Capacity - 6" or 152.4mm
- Rating: 10 Micron for fuel injection engines
- Thread Pitch: 11/16-16
Sierra recommends replacing your filters every 50 hours of operation or at a minimum of once per year, preferably at winterization.
Interchangeable with:
- EMP
- Mallory
- 9-37807
- Yamaha Outboard
- MAR-10MEL-00-00
- MAR-FUELF-IL-TR
Sierra 18-7866 Fuel Water Separator Filter for Yamaha Outboards FAQs
What engines is the Sierra 18-7866 Fuel Water Separator Filter designed for?
The Sierra 18-7866 Fuel Water Separator Filter is designed for use with Yamaha outboard engines.
What is the micron rating of the Sierra 18-7866 filter?
The Sierra 18-7866 fuel water separator filter has a 10-micron rating for fuel injection engines.
How much water does this Sierra fuel water separator remove?
Sierra fuel water separators remove over 99.8% of emulsified water from gasoline.
What is the flow rate of the Sierra 18-7866 filter?
The Sierra 18-7866 fuel water separator filter flows at 90 GPH.
What is the thread pitch of the Sierra 18-7866 filter?
The Sierra 18-7866 fuel water separator filter has an 11/16-16 thread pitch.
How often should I replace the Sierra 18-7866 fuel filter?
Replace the Sierra 18-7866 fuel filter every 50 hours of operation or at least once per year, preferably during winterization.
What part numbers interchange with Sierra 18-7866?
The Sierra 18-7866 fuel filter interchanges with EMP 35-37807, Mallory 9-37807, and Yamaha Outboard MAR-10MEL-00-00 and MAR-FUELF-IL-TR.
California Residents: 
WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov
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