A well-balanced ride and solid corrosion protection are key to keeping your outboard performing at its best. The Yamaha Trim Tab Square Anode (67C-45251-00-00) pulls double duty, fine-tuning steering for smoother handling while safeguarding your lower unit from electrolysis. As a genuine Yamaha OEM part, it's engineered to provide a precise fit and optimal performance. Over time, exposure to saltwater and electrical currents wears down anodes, and when they're gone, your engine's metal components are left exposed to corrosion. Swapping in a fresh trim tab anode helps maintain proper balance and long-term protection.. Designed for Stability & Corrosion Defense:. Dual-Function Performance - Adjusts steering feedback while acting as a sacrificial anode to absorb electrolysis.. OEM-Exact Fit - Manufactured to Yamaha's specifications for seamless integration with your outboard.. Durable Alloy Composition - Corrodes before key engine parts, shielding lower units, props, and submerged compone