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Martyr Anodes CMX05AS Streamlined Shaft Zinc Anode with Stainless Steel Slotted Head

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

CMX05AS
06/03/2036 8:34 AM
Sale Price

$17.89

In Stock (10+)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Martyr Anodes CMX05AS is a streamlined shaft zinc anode designed to provide superior galvanic corrosion protection for propeller shafts on boats operating in saltwater and brackish environments. This precision-engineered anode features a low-profile, hydrodynamic design that minimizes drag while maximizing protection for your vessel's underwater metal components.

Key Features:

  • Premium zinc alloy construction for optimal galvanic protection in saltwater
  • Streamlined profile reduces water resistance and maintains boat performance
  • Stainless steel slotted head hardware included for secure, corrosion-resistant installation
  • Precision-machined design ensures proper fit on propeller shafts
  • Meets or exceeds MIL-SPEC standards for marine zinc anodes
  • Easy installation and replacement as part of routine maintenance

Martyr is a trusted name in marine cathodic protection, manufacturing anodes to strict military specifications using high-purity metals. This shaft anode sacrifices itself to protect more expensive components like propellers, shafts, rudders, and through-hull fittings from destructive galvanic corrosion. Regular inspection and replacement of sacrificial anodes is essential for maintaining your vessel's integrity and preventing costly repairs.

excellent

Good

Product delivered late due to weather problems in our area. Product as described online. Price was fair.

Arrived as described

Quick and easy to find the right part. Awesome service

So far so good. My car is down, I hope my tire arrives soon.

It's smaller than it should be but said it fit my year/make/model for my Jeep

Good products

They were very helpful and wasted time in shipping my order. Thanks again. Look forward in using them again in the future.

Quick and easy.

Send more sunex tool sales

Great prices fast shipment

Simple to purchase from you using paypal

Easy transaction so far.

Liked the prices a lot. Disappointed that there was no break in shipping costs when ordering multiple items.

Awesome!

Not sure if this is exactly what I need.

Fast reliable cheap

Great service. Shipped out the day after I ordered it...plus it was the cheapest of the competition.

Great Prices and Simple Ordering!

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Good deal

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