Description
Product Overview
The iFJF S3213 Marine Fuel Water Separator is a high-efficiency 10-micron fuel water separator designed to protect your marine outboard engine from harmful water and debris contamination. Whether you're running a Mercury, Yamaha, Suzuki, or Honda outboard, this spin-on filter element provides reliable fuel filtration that meets or exceeds OEM specifications.
Key Features
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10-Micron Filtration: Captures 98% of water and particulate contaminants down to 10 microns, preventing injector damage and engine knock
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Spin-On Design: Quick, tool-free filter changes — no messy disassembly required
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Marine-Grade Construction: Corrosion-resistant coating stands up to saltwater environments and harsh marine conditions
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Universal Compatibility: Fits standard marine fuel water separator heads with 3/8" or 1/4" NPT ports
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OEM Equivalent: Direct replacement for Racor S3240, 120AT, Mercury 35-60494-1, and other leading marine filters
Compatibility
| Make |
Engine Type |
Models |
| Mercury |
2-Stroke & 4-Stroke Outboard |
4HP - 300HP (All Years) |
| Yamaha |
2-Stroke & 4-Stroke Outboard |
4HP - 350HP (All Years) |
| Suzuki |
4-Stroke Outboard |
4HP - 300HP (All Years) |
| Honda |
4-Stroke Outboard |
2HP - 250HP (All Years) |
| Johnson/Evinrude |
2-Stroke Outboard |
4HP - 300HP (All Years) |
Specifications
| Specification |
Value |
| Filtration Rating |
10 Micron |
| Thread Type |
3/8 NPT |
| Flow Rate |
Up to 90 GPH |
| Material |
Corrosion-resistant steel with marine coating |
| Replaces OEM |
Mercury 35-60494-1, 35-809097, 802893Q01, Yamaha MAR-FILT-001, Racor S3213/S3214 |
Why Choose iFJF Marine Filters
Water in your fuel is the #1 cause of outboard engine failure on the water. Our s3213 marine fuel water separator uses advanced hydrophobic media that separates and captures water droplets while allowing clean fuel to pass through — protecting your injectors, fuel pump, and combustion chamber. Each filter is individually tested and backed by our satisfaction guarantee.
Frequently Asked Questions
Q: How often should I replace my marine fuel water separator?
A: We recommend replacing your fuel water separator every 100 hours of operation or once per season, whichever comes first. If you notice reduced engine performance, difficulty starting, or water in your fuel filter bowl, replace immediately.
Q: Will this fit my Mercury outboard?
A: Yes. This filter fits standard marine fuel water separator heads with 3/8" NPT threads, compatible with all Mercury outboard engines from 4HP to 300HP when used with the appropriate filter head.
Q: What's the difference between 10-micron and 30-micron filters?
A: 10-micron filters capture finer particles and provide better protection for modern fuel-injected engines. If you have a carbureted older outboard, 30-micron may be sufficient, but for EFI/DFI engines, 10-micron is strongly recommended.
Q: Can I use this filter with ethanol-blended fuel (E10)?
A: Yes. Our filter media is compatible with ethanol-blended fuels up to E10. However, ethanol can accelerate water absorption, so more frequent filter changes may be needed if you use ethanol fuel regularly.
Q: How do I know when the filter needs replacement?
A: Signs include engine hesitation at high RPM, difficulty reaching full throttle, rough idle, or a visible water layer in the clear bowl (if equipped). Always carry a spare filter on board.
Q: Is this filter USCG compliant?
A: Yes. Our fuel water separators meet USCG and ABYC standards for marine fuel system components.
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