Mercury - Water-Separating Fuel Filter Kit Verado L4 Series Clear Bowl Assembly 8M0113498. Overview. Any boater who's spent long days offshore knows one simple truth: clean fuel is everything. When your engine breathes well, the whole ride feels smoother - the throttle responds faster, the power band steadies out, and you stop worrying about that little hesitation that sometimes creeps in after refueling at a busy marina. The Mercury 8M0113498 Water-Separating Fuel Filter Kit gives you that calm