Yamaha - 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. I've 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. It's one of those simple parts you don't think about-until you really need it.. Key Features. • Sacrificial Corrosion Protection - Protects critical engine components by attracting corrosion first.• OEM Fit and Placement - Designed to mount correctly and function within Yamaha systems.• Long-Lasting Material - Built to provide consistent protection in harsh marine environments.• Easy Replacement Design - Allows for straightforward service and routine maintenance.. Engine & Boat Compatibility. Designed for Yamaha outboard engines operating in freshwater and saltwater environments. Commonly used across a range of Yamaha