Mercury - Anode Kit Corrosion Protection System Aluminum Marine Finish 8M0205953. Overview. Ask anyone who spends long days on the water, and they'll tell you-peace of mind isn't just about horsepower. It's about knowing the unseen parts of your engine are doing their job quietly and faithfully. When you rely on a powerful Mercury V6, V8, or Racing outboard, you want to trust that the corrosive nature of saltwater or mineral-rich freshwater isn't eating away at the metal you depend on. That's wh