Mercury - Aluminum Anode Kit BRP/OMC V4 Outboard Series Marine-Grade Aluminum 8M6008007. Overview. Any boater who spends real time on the water knows how much trust matters. You trust your engine to fire up before sunrise, you trust your boat to carry your family safely, and you trust the small, unseen parts to protect the equipment that keeps it all moving. Anodes are one of those quiet heroes-easy to forget about, but absolutely vital when you're running in saltwater or brackish conditions. Wi