Mercury - Aluminum Anodes, Bulk Pack of 10 Corrosion Protection Aluminum 8M0059344. Overview. Every boater who's spent enough time on the water knows corrosion is a constant battle. It never takes a day off, and if your engine isn't protected, it'll find a way to creep in. That's why a dependable anode brings a surprising sense of comfort. The Mercury Aluminum Anode (8M0059344) offers the kind of quiet, steady protection that lets you head out with confidence. Whether you're drifting over a calm