Mercury - Anode Kit Corrosion Protection System Aluminum Marine Finish 8M0205955. Overview. Any boater who's spent time offshore knows that corrosion is always working in the background. It never announces itself, and it doesn't give warnings-it just slowly eats away at the metal that keeps your outboard running strong. That's why having the right anode kit feels like a quiet kind of security. With the Mercury Marine part 8M0205955 Anode Kit protecting your V8 or Mercury Racing outboard, you'll