Quicksilver 822777Q-1 Trim Tab Anode Aluminum Protect your outboard and stern drive from the harmful effects of galvanic corrosion while aiding steering control with the Quicksilver 822777Q-1 Trim Tab Anode. This anode helps protect gear case housing from corrosion as it provides hydrodynamic trim force to your outboard and stern drive to aid steering. Quicksilver recommends inspecting anodes periodically and replace if there are signs of corrosion or pitting. This cast aluminum anode meets or e