Mercury - Aluminum Anode Kit Corrosion Protection System Aluminum Finish 8M6007986. Overview. Any boater who spends time on the water-especially in saltwater-knows that corrosion can sneak up on you faster than a summer squall. It doesn't matter how clean the hull looks or how new the engine sounds; galvanic corrosion works quietly, nibbling away at the metals you depend on. That's why having the right anodes in place feels like a layer of insurance you can actually see working.. The Quicksilver