Aluminum and zinc anode kits for Mercruiser Alpha and Bravo stern drives SALCA: Sacrificial Anode Line Cutter Assembly RB-XM trim tab and rubber anodes ZHC-20 Divers Dream Plate Marine Anode

The World’s Best Zinc Anodes

Quality. Ingenuity. Reliability

For over 40 years Sea Shield Marine has been the trusted name for Service Divers, Pleasure Craft Owners, and Cathodic Protection Professionals all over the World that demand High-Quality, Durable, and Reliable Zinc Anodes. Our experienced teams dedication to quality and proprietary manufacturing assures you’ll always receive the Worlds Best Zinc Anodes – but it’s our unmatched ingenuity that has allowed us to make our mark as a Cathodic Protection Industry leader. All Sea Shield Marine Anodes are made to MIL-SPEC standards MIL-A-18001 Zinc Anodes and MIL-A-24779 Aluminum Anodes, are pressure die cast, and are engineered for longevity. We manufacture and/or carry Zinc Anodes, Aluminum Anodes, and Magnesium Anodes for boats, yachts, commercial vessels, pleasure craft, or any of your cathodic protection needs – Insist on Quality, Insist on Sea Shield Marine! Proudly Made in the USA and Veteran-Owned.

Manufactured to Mil-Spec Standards

Zinc Anodes: MIL-A-18001
Aluminum Anodes: MIL-A-24779


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New Products! The next evolution in Boat Zinc Anodes has arrived

Mercury Quick Change Anodes
SALCA: sacrificial anode line cutter assembly

Our zinc anodes are all made in the USA
Our business of zinc anodes and boat anodes is VOSB-certified
Our business of zinc anodes and boat anodes is ISO-certified