Fuel quality can make or break an engine's performance, especially out on the water. The Mercury-MerCruiser Water Separating Fuel Filter (35-8M0093688) is built for boaters who demand reliability from their MerCruiser sterndrive and inboard engines. Designed specifically for models from 2004 and newer with Gen III fuel cooler systems, this filter ensures that only clean, contaminant-free fuel makes it to the engine-preventing clogs, misfires, and long-term damage.. What sets this filter apart? Its high-efficiency 15-micron filtration traps impurities before they ever reach the fuel injectors, keeping your engine running at peak power. Built with a rugged blend of polyester, cellulose, and glass fiber, the media stands up to the harshest marine conditions. The added silicon coating enhances durability, so you can count on consistent performance trip after trip.. Why It Matters:. Superior Filtration - 95% efficient at capturing harmful contaminants, protecting fuel lines and injectors..