Mercury - Remote Water-Separating Fuel Filter Kit Fuel System Protection Marine-Grade Components 8M0109543. Overview. If you spend enough time on the water, you learn quickly that fuel quality can make or break a day. A little moisture, a bit of debris - that's all it takes to turn a smooth run into a frustrating afternoon drifting in the wind. That's why boaters who rely on their engines trust a solid water-separating system. This Quicksilver Remote Water-Separating Fuel Filter Kit gives you th