Mercury - Water Separating and Sensing Fuel Filter Kit Fuel Protection Series Metal & Composite Assembly 8M0157707. Overview. If you've spent any real time running a Verado, you know how much trust you place in your fuel system. When you're miles from the dock and the wind's starting to pick up, you want to know your engine is getting clean, dry fuel - no surprises, no hiccups. That's why this Mercury Marine part feels so reassuring. The 8M0157707 Water Separating and Sensing Fuel Filter Kit giv