Description
Product Overview
The upgraded S3213 fuel water separator features a replaceable filter cartridge inside a reusable aluminum housing — the smart way to maintain your outboard's fuel system. Instead of tossing the entire filter assembly at every service interval, you swap only the internal 10-micron element. Same filtration performance as the classic S3213, same 3/8" NPT fit, dramatically lower long-term operating cost. The aluminum alloy body is lighter, stronger, and more corrosion-resistant than traditional steel canisters. If you put serious hours on your outboard, this upgrade pays for itself within two service cycles.
Key Features
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Replaceable 10-Micron Cartridge: Swap the filter element in under 5 minutes. Keep the housing. Replacement cartridges cost a fraction of a full filter assembly.
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Aluminum Alloy Housing: Lighter than steel, naturally corrosion-resistant, and built to last the life of your boat. Anodized finish for extra saltwater protection.
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Clear Drain Bowl Included: Visual fuel inspection and quick water purge at the turn of a valve. No tools, no disassembly.
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Lower Waste, Lower Cost: One housing serves for years. You only replace the filter media — less material in the landfill, more money in your pocket.
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3/8" NPT Standard Ports: Direct bolt-on replacement for your existing S3213 or S3214 filter head. No adapters needed.
Compatibility & Fitment
| Brand |
Part Numbers Replaced |
| Mercury / Mariner |
35-60494-1, 35-809097, 802893Q01, 35-807172 |
| Sierra Marine |
18-7928-1, 18-7932-1, 18-7922, 18-7919 |
| Mallory |
9-37801, 9-37802 |
| Moeller / Tempo |
033510-10, 035613-10 |
| GLM Marine |
24960, 24961 |
| Wix Filters |
33264, 33265 |
| Universal Cross-Ref |
S3213, S3214, B32013, C14568 |
Fits most Mercury, Mariner, Yamaha, Suzuki, Honda, and Tohatsu outboard motors with 3/8" NPT fuel connections, 1990-present.
Specifications
| Specification |
Value |
| Filter Type |
Replaceable-Element Fuel Water Separator |
| Housing Material |
Aluminum Alloy (Anodized) |
| Micron Rating |
10 Micron |
| Port Size |
3/8" NPT (Inlet & Outlet) |
| Bowl Material |
Clear Nylon (UV-Stabilized) |
| Cartridge Compatibility |
S3213 replacement element (10-micron) |
| Overall Height (incl. bowl) |
~7.0" (178 mm) |
| Housing OD |
~3.5" (89 mm) |
| Service Interval |
Replace cartridge every 50-100 hours or annually |
Why Choose This Filter
If you log 100+ hours per season, the math is simple: two cartridge swaps cost less than one full filter replacement. The aluminum housing is a one-time investment that keeps paying back. We stock replacement cartridges in single and 3-pack quantities (links below). Every unit ships from US inventory with a 30-day satisfaction guarantee, and the first cartridge comes pre-installed.
Frequently Asked Questions
Q: How is this different from the standard S3213?
A: The standard sealed S3213 is a one-piece filter you replace entirely at each service. This upgraded version uses a reusable aluminum housing — you only swap the internal filter cartridge. Lower cost per service, less waste, same 10-micron protection.
Q: Where do I buy replacement cartridges?
A: We stock single cartridges ($10.00) and value 3-packs ($19.00 — just $6.33 each). Links are at the bottom of this page. Each cartridge delivers the same 10-micron filtration as the original element.
Q: How often do I replace the cartridge?
A: Every 50-100 engine hours or annually — same interval as a standard S3213. The aluminum housing itself is reusable indefinitely with proper care.
Q: Is installation the same as a standard S3213?
A: Yes. Same 3/8" NPT threads, same bolt pattern on the mounting bracket. If you're replacing an existing S3213, it's a direct bolt-on swap with no modifications needed.
Q: Does this come with a cartridge installed?
A: Yes — the first 10-micron filter cartridge is pre-installed from the factory. You're ready to mount it and go.
Q: Is the aluminum housing safe for saltwater use?
A: Yes. The anodized aluminum body is highly corrosion-resistant. We recommend rinsing with fresh water during regular washdown, same as any other engine-mounted component.
Q: Can I use standard S3213 cartridges from other brands?
A: This housing is designed for our S3213 replacement cartridges. We recommend using our cartridges to ensure proper fit and seal. 3-packs offer the best value at $6.33 per cartridge.
🔄 Upgrade Available: Replaceable Filter S3213
We now offer an upgraded S3213 with a replaceable filter element — lower long-term cost, less waste. Same 10-micron filtration, same 3/8" NPT fit.
