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Martyr Anodes CMX08 Streamlined Shaft Anode with Stainless Steel Allen Head, Zinc

Manufacturer

Martyr Anodes

<h3>Martyr Anodes: The World&apos;s Premium Marine Corrosion Protection</h3><p>Few threats to a vessel are as silent and relentless as galvanic corrosion. Submerged metal components—propellers, rudders, shafts, trim tabs, and engine parts—are constantly at risk when dissimilar metals come into contact in an electrolytic environment like seawater. <strong>Martyr Anodes</strong> has spent decades engineering sacrificial anodes specifically to stop that process in its tracks, earning a reputation as one of the most trusted names in marine cathodic protection worldwide.</p><p>Operating as a flagship brand within the CMP Group, Martyr holds a unique distinction in the industry: <a href="/7452-martyr-anodes-anodeszincs-200103">it is the only manufacturer to offer all three anode alloys</a>—zinc, aluminum, and magnesium—under one roof. That breadth matters because the optimal anode material depends entirely on the water you sail. Zinc is the traditional choice for saltwater applications, aluminum excels in saltwater and brackish conditions while delivering a reduced environmental footprint, and magnesium is the go-to solution for freshwater boaters. Having all three alloys available means every boater can select the right protection for their specific environment.</p><h3>Military-Grade Standards, Lab-Certified Quality</h3><p>Quality at Martyr is not a marketing claim—it is a specification. Every anode in the lineup is pressure die-cast and manufactured to strict U.S. Military Alloy Specifications, including MIL-DTL-18001 for zinc and MIL-DTL-24779C for aluminum. Each alloy batch undergoes laboratory testing with full certification and traceability available upon request. The result is an anode with consistent electrochemical activity, even consumption rates, and predictable service life—qualities that professional mariners and weekend boaters alike can depend on season after season.</p><p>With <a href="/7452-martyr-anodes-anodeszincs-200103">more than 1,000 individual anode types</a> covering hulls, shafts, propellers, rudders, trim tabs, bow thrusters, and outboard engines, the Martyr catalog is engineered to fit virtually every major marine engine brand and boat model. Compatibility is a priority: the anodes are designed to precise industry standards for weight and dimension so they drop into place without guesswork.</p><h3>Simplified Protection with Anode Kits</h3><p>For boaters who want a straightforward path to complete corrosion coverage, Martyr&apos;s <a href="/7452-martyr-anodes-anode-kits-200102">engine-specific anode kits</a> deliver everything needed for a full service in a single package. Each kit is assembled for a specific engine make, model, horsepower range, and water type, eliminating the need to source individual pieces separately. Kits are available for top engine brands including Yamaha, Mercury, Volvo, and MerCruiser—making seasonal anode replacement a fast, confident job at the dock or in the yard.</p><h3>A Commitment to Sustainable Boating</h3><p>Martyr has also taken a leadership role on the environmental side of corrosion protection. Traditional zinc anodes can contain cadmium, a metal that poses risks to aquatic ecosystems. As part of its broader corrosion control mission, Martyr has actively championed the adoption of aluminum and magnesium anodes as safer, more sustainable alternatives—materials that deliver equal or superior cathodic performance without the ecological concerns associated with cadmium-containing zinc. That philosophy reflects a brand whose protection ethos extends from the boat to the water around it.</p><p>Whether you are fitting out a new vessel, performing routine seasonal maintenance, or upgrading an aging protection system, Martyr Anodes offers a complete, verified solution backed by rigorous engineering and a century-long heritage of foundry expertise.</p>

Part Number

CMX08
09/12/2036 12:58 PM
Sale Price

$13.87

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 CMX08 is a streamlined shaft anode designed to provide galvanic corrosion protection for propeller shafts on boats and marine vessels. Constructed from high-quality zinc alloy, this sacrificial anode protects underwater metal components by corroding preferentially, thereby extending the life of your expensive drive system components.

Key Features:

  • Streamlined low-profile design minimizes drag and turbulence
  • Zinc alloy composition ideal for saltwater and brackish water applications
  • Stainless steel Allen head set screw for secure, corrosion-resistant mounting
  • Precision-machined bore for proper shaft fit and easy installation
  • Meets or exceeds military specification MIL-A-18001K

Martyr is the only manufacturer that offers all three alloy types (zinc, aluminum, and magnesium) to ensure optimal protection in any water condition. This zinc anode is specifically formulated for saltwater and brackish water environments where zinc provides the most effective galvanic protection. Regular inspection and replacement of shaft anodes is essential for maintaining proper corrosion protection on your vessel.

Easy to use website

Product shipped in 3 days, but customer service did not know when I contacted on the 4th day. Received shipping confirmation on 5th day. Otherwise, smooth transaction, product arrived well packaged and fit perfectly. Great price.

Very fast, clear and secure order placement but there was a problem with the mails. My shipping address was different than my billing address. On the confirmation mail the names were changed while your website showed it correct. It was a little confusing.

Very easy to use website, Found the right match and checked out easy. Parts easy to install, was to read and understand directions. Quality product.

Great prices fast shipping

Would do business with again. Thanks!

Great so far

Hard to locate part. Glad you have it.

Very quick and easy to order. Looking forward to the speedy delivery :)

Great price. Easy website to use.

The item was perfect just like from the store and shipped berry fast!!<br><br>Lower price than eBay or Amazon. <br><br>Will recommend to friends.

best price around and quick order placement

Thanks for having a BETTER price than even the manufacturer on the chip I bought!

Order delivered in 3 business days, packed well, got exactly what I ordered, can't ask for anything more at this point. This is exactly how eCommerce should be done.

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