Mercury - Fuel Pump Filter Sterndrive Fuel System Gasoline Filtration Assembly 8M0046751. Overview. There's a certain comfort that comes from knowing your engine is getting clean, reliable fuel every single time you turn the key. When you're out on the water-drifting with the family, cruising a quiet cove, or easing into a busy marina-the last thing you want is hesitation from your engine because of fuel contamination. The Mercury 8M0046751 Fuel Pump Filter brings back that steady confidence. It