Galvanic corrosion is the silent destroyer of marine hardware. Wherever dissimilar metals contact each other in water, outboard lower units, trim tabs, outdrives, rudders, and propellers, an electrical current flows between them, causing the less-noble metal to corrode. Sacrificial anodes are the primary defense: designed to corrode instead of your engine and hull hardware, they must be inspected annually and replaced when more than 50% consumed.
Boat Max Online stocks anodes for Suzuki, Honda, and Yamaha outboards, including lower unit anodes, skeg anodes, trim tab anodes, and cavitation plate anodes designed to OEM specifications. We also carry adjustable trim tabs for performance tuning of outboard-powered vessels: improving bow rise, reducing porpoising, and correcting listing caused by uneven weight distribution.
Correct anode material selection depends on your water type: zinc anodes for saltwater, aluminum anodes for mixed salt/fresh or brackish water, magnesium anodes for freshwater only. Using the wrong anode type can cause premature failure or insufficient protection.