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Martyr Anodes CMC05 Limited Clearance Shaft Anode with Stainless Steel Allen Head, Zinc

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

CMC05
06/03/2036 8:33 AM
Sale Price

$12.23

In Stock (10+)

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Usually delivered within 2 days

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Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The Martyr Anodes CMC05 is a limited clearance shaft anode designed for marine applications where space is restricted. This zinc anode provides effective galvanic corrosion protection for propeller shafts in tight installation environments.

Key Features:

  • Limited clearance design for installations with restricted space around the shaft
  • Zinc alloy construction provides excellent corrosion protection in saltwater environments
  • Stainless steel Allen head set screw for secure mounting and corrosion resistance
  • Compact profile minimizes interference with shaft components
  • Easy installation and replacement for routine maintenance

Martyr Anodes are manufactured to stringent military specifications, ensuring reliable protection for your vessel's underwater metals. This shaft anode is ideal for sailboats, powerboats, and other marine vessels operating in saltwater where galvanic corrosion protection is essential.

Great experience...price was unbeatable and customer service was very responsive.

I shows that it is &quot;in stock&quot; and that it will &quot;ship immediately&quot;... We'll see what happens.

The exhaust system that I ordered has come timely manner. I have yet to install it, but I'm sure it is the correct part. I will return to shop in the future if I ever need a car part.

so easy. Let's see the quality of the product

Quick Service and great pricing!

Damn fast on the shipping and great price on the item a great place to shop

Quick Ship. Thanks. Low Prices.

fast and easy

loved it!!!!!!

so far so good..thank you!

easy order

so far so great...will make a final evaluation when delivery is complete and batteries are correct and good...

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