Yamaha - Anode assy - 6P2-1240H-00-9SYamaha Anode Assembly Corrosion Protection Component 6P2 1240H 00 9S Overview If you run in salt or even brackish water, you already know how fast corrosion can creep in. Ive seen lower units and cooling passages take a hit just because an anode was worn down and ignored. When this piece is doing its job, it sacrifices itself to protect the expensive parts around it. Its one of those simple parts you dont think aboutuntil you really need it. Key