Make sure your boat anodes have proper physical and electrical connections. An anode with a poor electrical connection cannot provide corrosion protection.
Clean the area where your anodes will be mounted by lightly sanding or wire brushing.
Do not paint your anodes.
Part Number Variations: 5007089A, JE5007089A, CM5007089A, 00918AL, 00143A, CM5008813A, 0433580, 0765572, 433580, 5007089, 5010190, 18-6115, 98-399-01D, 765572, 12739