Fuel Filter Water Separator for Mercury Mercruiser Quicksilver 35-807172 18-7944
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Fuel Filter 35-807172
Premium Water Separating Filtration
Protect your engine from the damaging effects of water and fuel-borne contaminants with this premium 10-micron fuel water separator. This spin-on filter is specifically designed for marine environments to ensure high-flow performance while maintaining superior filtration efficiency, preventing fuel system corrosion and power loss in Mercury and MerCruiser engines.
Key Features
- ✔ Direct fit for Mercury/Quicksilver remote bases
- ✔ 10-Micron high-efficiency filtration
- ✔ Removes 98% of emulsified water
- ✔ Safe for Ethanol-blended fuels
Technical Specs
| Micron Rating: | 10 Micron |
| Thread Size: | 11/16"-16 |
| Flow Rate: | 90 GPH |
| Height: | 3.875" (98.4mm) |
Compatibility / Fitment Guide
| Application | Model Details | Notes |
|---|---|---|
| Mercury / Mariner | Most Outboards (70HP+) | Requires remote filter base |
| MerCruiser | 4.3L, 5.0L, 5.7L, 7.4L, 8.1L, 8.2L | Carbureted & EFI engines |
| Force | Select Outboard Models | Direct replacement |
OEM Cross Reference
| Mercury / Quicksilver | 35-807172, 35-60494-1, 35-802893Q01, 35-805269 |
| Sierra Marine | 18-7944, 18-7844 |
| Racor | PFF5510, S3213 (Element) |
| Wix / Napa | 33225, 33226 / 3326 |
Questions & Answers
Is this a genuine original part?
This is a premium quality replacement part designed to meet or exceed original equipment (OE) standards for Quicksilver/Mercury applications.
How do I know if it is compatible?
We recommend checking the SKU/MPN and Cross Reference list provided above. If your original part number is 35-807172 or 18-7944, this is a guaranteed fit.
Will this filter separate oil from my 2-stroke fuel?
No. It is designed to remove water and solid particles while allowing 2-stroke oil to pass through, making it safe for both pre-mix 2-stroke and 4-stroke engines.
Note: Visit 4boats.co.uk for more technical advice. Please verify your original part number against the references above before purchasing.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
