Description
SIERRA 10-Micron Fuel/Water Separator Kit, 3/8-inch Stainless Steel – 18-7985-1 is a higher-capacity fuel/water separator assembly intended for marine gasoline systems that benefit from a stainless mounting head and larger 3/8-inch fuel connections. Its tall 10-micron filter removes fine contamination and emulsified water while supporting high fuel-flow requirements.
This Sierra service part is intended for the application described below. Match hose size, connector style, engine family, drive model, or OEM reference number as applicable before installation.
Key Features
- Stainless-steel separator head for demanding marine installations
- Tall 10-micron spin-on filter
- 3/8-inch threaded fuel ports
- Published flow rating up to 90 GPH
- Suitable for inboard, sterndrive and outboard gasoline systems
Specifications
- Filter rating: 10 micron
- Filter style: Tall spin-on
- Head material: Stainless steel
- Port size: 3/8 in.
- Published flow: Up to 90 GPH
Interchange
- No specific OEM interchange number was verified for this item; confirm by Sierra part number and application before ordering.


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