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Martyr Anodes CMX13AL Streamlined Shaft Anode 3 Inch Aluminum

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

CMX13AL
06/01/2036 6:52 AM
Sale Price

$43.98

In Stock (10+)

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Product Details

The Martyr Anodes CMX13AL is a streamlined 3-inch aluminum shaft anode designed to provide superior corrosion protection for propeller shafts on boats and marine vessels. This precision-engineered sacrificial anode features a low-profile, hydrodynamic design that minimizes drag while maximizing protective coverage.

Key Features:

  • 3-inch diameter streamlined design reduces water resistance
  • High-quality aluminum alloy construction for saltwater and brackish water applications
  • Allen screw mounting system for secure, tool-free installation and removal
  • Sacrificial anode technology protects expensive shaft, propeller, and running gear from galvanic corrosion
  • Precision-machined to exact specifications for proper fit and performance
  • Meets or exceeds military specification MIL-A-24779 (SH) for aluminum anodes

Martyr Anodes are manufactured to the highest standards and are widely recognized as premium-quality sacrificial anodes in the marine industry. Regular inspection and replacement of shaft anodes is essential for maintaining optimal corrosion protection and extending the service life of underwater metal components.

Easy to place order

i like this site pretty fast and easy to find parts

very fast and easy

Great!!

so far so good

Super easy process and plenty of payment options. Love the fact they are partners with Amazon.

extremely simple process

simple

Processed my order quickly and the price was unbeatable. Thank you Autoplicity for being such a good store to do business with. I will do more future business with you for my other auto needs.<br><br>Thank you

Very good

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