CARMOCAR S3213 Marine Fuel Water Separator Filter Assembly – 3/8-Inch NPT Outboard, Mercury 35-60494-1 Compatible

Overview

The CARMOCAR S3213 Marine Fuel Water Separator Filter Assembly is designed for outboard engines and combines a clear nylon collection bowl with a reliable spin-on fuel filter element. It targets the issue of water and contaminants in fuel systems, offering a straightforward upgrade path for maintained engine performance.

With a plug-and-play installation approach, this assembly is built to slot into compatible fuel lines without extensive modification. The clear bowl lets you see water and muck at a glance, supporting proactive maintenance decisions on the water you’re using and the fuel you burn at the marina or on the open water.

Key benefits

• Plug-and-play installation for quick upgrades to your fuel filtration setup.
• Spin-on filter design that simplifies replacement and servicing during busy boating seasons.
• Clear nylon collection bowl with a self-venting drain to remove trapped water and sediment efficiently.
• 10 micron filtration with a reported efficiency of over 92% to reduce impurities and protect the fuel system.
• Designed to capture the smallest particles and emulsified water from diesel fuel, potentially reducing wear on critical components.
• Supports protection of the fuel pump nozzles, cylinder liners, and piston rings, contributing to smoother operation and lower maintenance needs.

What’s included and compatibility

• 1× S3213 Water Collection Bowl
• 1× Fuel Filter Element
• 2× O-rings

• Replaces OEM references such as Mercury 35-60494-1, Racor S3213, and related part numbers.
• Designed for 3/8 inch NPT connections on outboard engines, with installation guidance included.

Usage and maintenance

Installation is followed by routine checks: monitor for fuel leaks, drain water when needed, and replace the filter element as part of your regular maintenance routine. Regular inspection helps keep the fuel path clear and consistent.

1. Loosen the drain screw to drain water from the bowl.
2. Tighten the drain screw after draining.
3. Run the engine and check for fuel leaks.
4. Schedule periodic inspection and replacement to maintain filtration performance.

Note: This assembly emphasizes practical, real-world maintenance steps and does not guarantee performance outcomes. Consider it a capable upgrade that can support cleaner fuel flow under typical boating conditions.