Corrosion Defense 6 products

Protect the Metal Below the Waterline.

Anodes and Zincs

Match anode material, equipment model, mounting location, dimensions, and water conditions. Similar-looking parts are not automatically interchangeable.

Engine repair parts Fuel maintenance Choose anode size and metal
Boat anodes and zinc kits for Mercury, Yamaha, Bravo, Alpha, and Verado corrosion protection
Before you chooseCompare these three things
01Exact equipment fit
02Water type
03Inspection interval

Shop boat anodes and zinc anodes for corrosion protection on marine engines, drives, and underwater hardware.

Choose replacement boat anodes by application

Match anode material and shape to your engine, drive or underwater hardware and the water where the boat operates. Zinc, aluminum and magnesium anodes are not interchangeable for every application. Confirm the manufacturer's recommendation and the exact kit fit before ordering.

Our boat anode selection guide explains the choices and links to model-specific kits.