Yamaha - Trim Tab Anode Bolt Corrosion Protection Hardware 90119-06M41-00. Overview. I've seen plenty of lower units come in with corrosion issues that started from something as simple as a loose or worn anode bolt. This bolt does more than just hold the trim tab in place-it keeps that anode working the way it should. The Yamaha Trim Tab Anode Bolt 90119-06M41-00 ensures a solid connection so corrosion protection stays effective. It's a small piece, but it plays a big role in protecting your motor over time.. Key Features. • Secure Trim Tab Mounting - Keeps the trim tab anode firmly in place under load.. • Maintains Electrical Contact - Ensures proper connection for effective corrosion protection.. • Yamaha-Specific Fitment - Designed to match factory mounting points and threads.. • Corrosion-Resistant Construction - Built to withstand harsh marine environments.. • Reliable Replacement Hardware - Ideal for routine maintenance or anode replacement.. Engine & Boat Compatibility. The Yama