Mercury - Transom Bracket Anode V12 Verado & SeaPro Series Aluminum 8M0177560. Overview. If you spend enough time on the water, you learn quickly which parts quietly carry the load. An anode is one of them - never flashy, rarely noticed, but absolutely essential. The Mercury 8M0177560 Aluminum Transom Bracket Anode is the kind of part you trust without thinking twice, because you know it's working for you every minute your boat sits in the water. It's the small piece that protects the big invest