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Martyr Anodes CMX04AL Streamlined Shaft Anode 1-1/8" 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

CMX04AL
06/03/2036 9:32 AM
Sale Price

$9.41

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Martyr Anodes CMX04AL is a streamlined aluminum shaft anode designed to provide superior corrosion protection for your boat's propeller shaft. This precision-engineered anode features a 1-1/8" diameter opening and installs with an Allen screw for secure, reliable mounting.

Key Features:

  • Streamlined design minimizes drag and turbulence for improved performance
  • Constructed from high-quality aluminum alloy for maximum galvanic protection
  • 1-1/8" shaft diameter compatibility
  • Allen screw mounting system ensures tight, vibration-resistant installation
  • Protects expensive underwater metals from electrolytic corrosion
  • Ideal for use in saltwater and brackish water environments

Martyr is the leading manufacturer of sacrificial anodes for marine applications, using certified alloys that meet or exceed military specifications. Regular inspection and replacement of shaft anodes is essential for protecting your vessel's running gear from costly corrosion damage.

Best Price! and quick shipping A++

great price you also take amazon care thanks

Found exactly what I was looking for and for a good price. The checkout is nice and simple and easy to use. However, when I sent them an email before my order shipped saying that I need to have one item removed from the order, I never got an answer and my

so far so good

Great and easy to purchase very satisfied

fast shipping, product received was product described.

very quick, easy, and we'll laid out

Easy to deal with, lowest price and included quick shipping.

Good service, great products and quick shipping. I received a good shipping discount using Google payment. Only problem was the item was shipped to my billing address instead of my shipping address.

1st order with Autoplicity very easy process, good price and fast shipping. I will be back for sure.

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