Mercury - Quicksilver Aluminum Anode Plate Corrosion Protection Bravo III & Vazer Drives 762144. Overview. Every boat owner knows corrosion is the quiet killer of drives and lower units. The Mercury Marine 762144 Quicksilver Aluminum Anode Plate is built to protect Bravo III and Vazer sterndrives from galvanic corrosion, whether you run in freshwater or saltwater. This flat plate anode fits perfectly into the anti-ventilation plate cavity on Bravo III drives (serial No. 0M179452 and up) and Vaze