Yamaha - Anode 4 - 6AW-1132N-01-00Yamaha Engine Anode Corrosion Protection 6AW 1132N 01 00 Overview If you run Yamaha engines in saltwater, you already know corrosion protection is part of the game. The Yamaha Anode 6AW 1132N 01 00 is designed to sacrifice itself so the important engine components dont have to. It pulls corrosive activity away from metal surfaces inside the engine system and keeps electrolysis from eating away at critical parts. Its one of those small maintenance