Mercury - Oil Filter V12 Verado & SeaPro Series Premium Filtration 8M0168366. Overview. When you run one of Mercury's big V12 or high-output SeaPro engines, you expect every component to hold up to long days, heavy throttle, and the kind of conditions that test both you and your boat. The Mercury 8M0168366 Oil Filter steps into that role with quiet confidence. It's one of those parts you install once, and forget-because you know it's doing its job, keeping your oil clean and your engine protecte