Mercury - Aluminum Anode Kit Outboard & Jet Series Aluminum Protection 889246A72. Overview. There's a certain peace that comes from knowing your outboard is protected, even when you're miles from the dock with nothing but water and wind around you. The Mercury 889246A72 Aluminum Anode Kit gives boaters that quiet confidence. Whether you spend your mornings chasing stripers in brackish bays or easing a pontoon through a calm freshwater lake, you want gear that works without fuss. This little anod