Contaminated fuel can take a toll on an outboard engine, leading to performance issues and unnecessary wear. The Mercury Quicksilver 4-Stroke Outboard In-Line Fuel Filter (35-879885Q) is designed to keep fuel clean and free of debris, ensuring smooth, reliable operation in a wide range of 40-300 HP Mercury FourStroke engines. By filtering out contaminants before they reach the fuel injectors, this OEM-quality filter helps maintain efficiency and prevent costly repairs down the line.

Engineered for Dependable Fuel Flow

• Precision Filtration – Captures fine particles and impurities, keeping fuel clean and preventing clogging or engine hesitation.
• Wide Compatibility – Designed for 30-40 HP EFI, 40-60 HP 4-cylinder EFI, 75-115 HP (1B366823 & up), and 135-300 HP Verado outboards.
• OEM Fit and Performance – Manufactured to Mercury Marine standards, ensuring a perfect fit and seamless function with your engine.

Essential for Routine Maintenance

A dirty fuel filter can cause sluggish performance, reduced fuel efficiency, and potential engine damage. Replacing it regularly—at least once per season or every 100 hours—ensures clean fuel delivery, extending engine life and keeping your boat running at peak performance. A simple fix that makes a big difference when it comes to keeping your outboard in top shape.