AULDAY 2-Pack S3213 Marine Fuel Filter for Mercury Outboards

Overview

Meet the AULDAY 2-Pack S3213 Marine Fuel Filter Water Separator, engineered to keep Mercury outboard engines running smoothly. This pair is designed as a direct replacement that simplifies maintenance, delivering clean fuel to your fuel system and reducing the clutter of spare parts with a ready-to-use setup.

Real-world use and benefits

Boaters appreciate the balance of performance and reliability this filter offers. In everyday use—from weekend coastal trips to longer lake excursions—cleaner fuel can contribute to steadier idling, crisper throttle response, and fewer fuel-related interruptions. The S3213 is built to work within typical marine fuel lines, offering a practical upgrade for seasoned skippers and new boaters alike.

Compatibility and Replacements

The S3213 filter fits Mercury marine outboard engines and replaces a broad range of OEM numbers to simplify sourcing. Replacements include, but are not limited to, 35-60494-1, S3213, 18-7932-1, 18-7932, 18-7928-1, 18-7928, 35-809097, MAR-24563-03-00, 18-7919, 18-7919-1, 18-7922-1, 18-7922, 18-7853-1.

• Mercury outboard compatibility and broad OEM number coverage.
• Designed for clean fuel delivery and engine protection.

What’s Included

• 2 × S3213 marine fuel filters

Installation Tips

• Plug-and-play: no electrical system modifications required.
• Always pre-fill clean fuel on the dirty side of the filter before installation.
• Do not reuse the old filter; install the new unit, prime, start the engine, and check for leaks.

Quality and Performance

Built with original Italy 3-layer filter paper and synthetic fiber, these filters capture impurities and help protect the fuel pump nozzle, cylinder liner, and piston ring. Expect better fuel quality and smoother operation with clean, water-free fuel.

• Engineered for high-performance marine applications.
• Aim to reduce wear and tear on critical components by maintaining fuel cleanliness.

Warranty and Support

Every purchase includes a 12-month warranty and lifetime technical support. If you have questions, our team is ready to assist you with setup and usage guidance.