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Martyr Anodes CMGROUPERA Grouper Aluminum Anode with 15' Cable

Manufacturer

Martyr Anodes

<h3>About Martyr Anodes</h3><p>When it comes to defending a vessel against galvanic corrosion, few names carry the authority of <strong>Martyr Anodes</strong>. A flagship brand within the <strong>CMP Group</strong>, Martyr has its roots in foundry operations that date back to the early 1900s in Vancouver, BC, growing from a local manufacturer into a globally recognized leader in marine cathodic protection. Today, the brand supplies boaters, commercial operators, and marine professionals worldwide with sacrificial anodes engineered to guard hulls, propellers, rudders, shafts, engines, and other submerged components from the relentless effects of corrosion.</p><h3>Three Alloys, Every Water Type</h3><p>What sets Martyr apart from competing anode manufacturers is its position as the only brand to offer all three protective alloys — zinc, aluminum, and magnesium — under a single product line. This matters because the correct alloy depends entirely on the water environment a vessel operates in. Zinc anodes are the classic choice for aggressive saltwater conditions, while aluminum anodes are preferred for saltwater and brackish environments, offering superior corrosion resistance with a reduced environmental footprint. Magnesium anodes are the go-to solution for freshwater use, delivering effective sacrificial protection without degrading too quickly. Whatever the operating environment, Martyr has an engineered solution to match.</p><h3>Military-Grade Manufacturing Standards</h3><p>Martyr does not cut corners on metallurgy. Every anode is pressure die-cast and manufactured to meet or exceed <strong>U.S. Military alloy specifications</strong>, using only high-purity metals. Each alloy batch is lab-tested with full certification and traceability available upon request. This rigorous quality management — operating under an ISO 9001 framework — ensures that each anode delivers consistent, long-lasting galvanic performance across a wide range of marine environments, from recreational pleasure craft to commercial vessels and naval applications.</p><h3>Anode Kits for Simplified Protection</h3><p>For boaters who want a complete, hassle-free maintenance solution, Martyr&rsquo;s <a href="/7452-martyr-anodes-anode-kits-200102">Anode Kits</a> offer pre-packaged sets engineered for specific engine models and boat types. Compatible with major marine engine brands including Yamaha, Mercury, Volvo, and MerCruiser, these kits take the guesswork out of corrosion protection and ensure every critical system receives optimal coverage in a single purchase.</p><h3>Sustainability at the Core</h3><p>Martyr and the CMP Group have made environmental stewardship a cornerstone of their mission. Traditional zinc anodes can contain cadmium, a metal that poses risks to aquatic ecosystems. Martyr actively advocates for the adoption of aluminum and magnesium alternatives that deliver equal or superior protection while minimizing harm to marine environments — embodying the brand&rsquo;s philosophy of &ldquo;Protect your boat, protect our waters.&rdquo; With over 1,000 anode types available and a catalog that fits virtually every major marine engine and boat model, Martyr remains one of the most comprehensive and trusted sources for marine corrosion protection in the world.</p>

Part Number

CMGROUPERA
05/31/2036 8:38 PM
Sale Price

$43.39

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Martyr Anodes CMGROUPERA Grouper Anode is a specialized marine corrosion protection system designed to safeguard underwater metal components on boats and vessels. This aluminum anode comes complete with a 15-foot cable for flexible installation options.

Key Features:

  • Aluminum alloy construction specifically formulated for salt and brackish water environments
  • 15-foot attached cable provides installation flexibility and reach to critical components
  • Grouper-style design for effective galvanic corrosion protection
  • Protects underwater metals including through-hulls, props, shafts, and rudders
  • Simple drop-in installation requires no drilling or mounting hardware

Important: Do not connect this anode directly to the boat's battery system. This anode works through galvanic action by being electrically connected to the metal components it protects, not the battery. Proper installation ensures your boat's underwater metals are protected from destructive galvanic corrosion in marine environments.

Martyr Anodes are manufactured to strict quality standards and provide reliable, long-lasting corrosion protection for your vessel's critical underwater components.

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Best price seen.

so far so good

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Only disappointment was tried to use wt10 discount code found at retailmenot and it would not work, but a lesser code for 35 % discount on shipping did work. I amexpecting these to be for the front control arms, not rear...please confirm this.

I deal with you before and always find some improvement in your business style and i really like it!Keep it good job! Super fast shipping and outstanding product by fantastic prize,lover then anywhere online.I would recommend this supplier to any car enth

Great interface for figuring out if product fits my vehicle.

Shipping was fast. Very easy to deal with. Answered all my questions. Very nice to deal with

Shipping took a little longer than quoted

Ordered it Friday had it at my door on Wednesday! They also had the cheapest prices of all reputable sellers.

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