Yamaha Anode 63P-11325-01-00. Overview. The Yamaha Anode 63P-11325-01-00 is a genuine original equipment manufacturer component designed to protect your outboard engine from corrosion. This sacrificial anode helps guard critical engine components by attracting corrosive elements in the cooling system before they can damage internal metal surfaces.. In marine environments, salt, minerals, and electrical activity in the water can cause corrosion inside the engine. The anode gradually corrodes inst