My Account
Shopping Cart

Martyr Anodes CMN1A Aluminum Hull Anode 3.16" x 8.5"

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

CMN1A
06/03/2036 10:24 AM
Sale Price

$10.11

In Stock (10+)

delivery box

Usually delivered within 2 days

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Martyr Anodes CMN1A is a high-quality aluminum hull anode designed to provide superior cathodic protection for boats operating in saltwater and brackish water environments. This anode measures 3.16 inches in width by 8.5 inches in length, making it suitable for protecting hulls, rudders, trim tabs, and other underwater metal components.

Key Features:

  • Constructed from high-grade aluminum alloy for maximum galvanic protection
  • Pre-drilled mounting holes for easy installation
  • CMN1 profile design provides optimal surface area for efficient protection
  • Protects against galvanic corrosion of underwater metals including steel, bronze, and stainless steel
  • Meets or exceeds military specification MIL-A-24779 (SH)
  • Ideal for saltwater and brackish water applications

Martyr is a trusted leader in marine corrosion protection, manufacturing premium sacrificial anodes that meet stringent military and commercial specifications. Regular inspection and replacement of hull anodes is essential for maintaining proper cathodic protection and preventing costly corrosion damage to your vessel's underwater components.

Easy process to use Amazon to pay. I like that.

Good inventory, good prices

it was fine

Website was easy to use, check out was very easy with Paypal services.

thanks

Smooth check out process.

It was good.

My ARP head stud kit was well under the normal price of other online retailers, and it arrived qucikly. I am already looking for my next purchase.

My experience was quick and easy. Thank you

Autoplicity had the best price and was easy to order and use. My items were shipped promptly!

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy