Alpha I, Gen I, 1983-1990, Magnesium Anodes
Alpha I, Gen I, 1983-1990, Magnesium Anodes
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In Stock
Vendor Shipping Details
This item will be fulfilled from the vendor. Delivery time varies – typically 2–3 weeks.
Restrictions: This item does not ship to a PO Box, APO, FPO, DPO or international address. Expedited shipping is not available.
West Marine will email you when your order ships from the vendor.
Truck Freight is used to ship items that exceed standard shipping limitations on weight and/or size. Delivery is only applicable within the contiguous United States. Additional shipping fees apply. Signature required for receipt of shipment.

Protect propellers, shafts, engines and rudders.
Complete anode kits for your specific application. Offered in Zinc, Aluminum or Magnesium alloys.
Key Features
- Complete anode kits for specific applications
- Manufactured to U.S. Military specifications
- Prevent galvanic corrosion
- Kits include all installation hardware
Martyrâ„¢ III Cadmium-free Magnesium Anodes for Freshwater ONLY
Use Cadmium-free, magnesium anodes if you only use your boat in freshwater. (Zinc anodes can "passivate" and stop working in freshwater.) Magnesium anodes should not be used in any other water type. If you trailer your boat, and use it in a variety of saltwater, brackish and freshwater locations, aluminum anodes are the best all-around choice for protecting your outboard or outdrive.