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Martyr Anodes CMX04S Streamlined Shaft Zinc Anode with Stainless Steel Slotted Hardware

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

CMX04S
06/03/2036 8:36 AM
Sale Price

$12.16

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Martyr Anodes CMX04S is a streamlined shaft zinc anode designed to provide reliable galvanic corrosion protection for propeller shafts on boats and marine vessels. This precision-engineered sacrificial anode helps prevent costly corrosion damage to underwater metal components by corroding preferentially, extending the life of your propeller shaft and related hardware.

Key Features:

  • Streamlined design minimizes drag and turbulence for improved fuel efficiency
  • High-quality zinc alloy formulation provides superior corrosion protection in saltwater and brackish water environments
  • Includes stainless steel slotted head hardware for secure installation and easy replacement
  • Precision machined to ensure proper fit and maximum contact with the shaft
  • Meets or exceeds military specification MIL-A-18001K for zinc anodes

Martyr Anodes are manufactured to the highest quality standards and are widely recognized as premium replacement anodes for marine applications. Regular inspection and replacement of sacrificial anodes is essential for maintaining proper corrosion protection and should be part of your routine marine maintenance schedule.

Quick, easy, and best prices! Can't wait to get my order!

So far so good.

Very user friendly website.

Super fast shipping and the best price around. Can't beat that. Thanks.<br>Order#5981

Found the item via Amazon, at a lower price than Amazom, and Paid via my Amazon account. Quick, easy, and less expensive. I shall return!

Found the part I needed at a really good price

quick ....I hope the product is what I am looking for

Very easy and fast

The only thing I would like to know is what the manifold kit comes with for hardware. Its not specified if they come with any hardware or gaskets at all and i would like to be prepared to do the job when they arrive in the mail.

Good

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