Mercury - 20 Micron Oil Filter Premium Engine Protection Marine-Ready Construction 8M0154757. Overview. When you're out on the water, you can feel when your engine is running clean. The throttle responds the way it should, the boat settles into its rhythm, and there's this quiet confidence that everything beneath the cowling is doing its job. An oil filter may not be something you think about often, but it's one of those parts you depend on every single time you turn the key. The Quicksilver 8M0