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Martyr Anodes CMMZ404A Aluminum Hull Anode 3.375" x 8.8"

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

CMMZ404A
06/13/2036 4:10 PM
Sale Price

$22.14

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Product Details

The Martyr CMMZ404A is a high-quality aluminum hull anode designed to provide reliable cathodic protection for boats and marine vessels in saltwater and brackish water environments. This rectangular hull anode measures 3.375 inches by 8.8 inches and is engineered to protect your boat's hull, underwater metals, and through-hull fittings from destructive galvanic corrosion.

Key Features:

  • Constructed from high-grade aluminum alloy for superior performance in saltwater and brackish water
  • Dimensions: 3.375" x 8.8" rectangular profile for broad coverage area
  • Pre-drilled mounting holes for easy installation on hull surfaces
  • Meets or exceeds military specification MIL-A-24779 (SH) for marine anodes
  • Protects expensive underwater components including props, shafts, rudders, and trim tabs
  • Sacrificial protection extends the life of your boat's critical metal components

Martyr Anodes are precision-manufactured using certified alloys to ensure consistent performance and maximum protection. This hull anode acts as a sacrificial barrier, corroding preferentially to protect more valuable metals on your vessel. Regular inspection and replacement of anodes is essential for maintaining effective corrosion protection. The hole spacing allows for secure mounting directly to the hull using appropriate fasteners.

Ordering was easy. Hopefully shipping will go as smooth.

Nice and easy

Great

Very easy

easy to order; proof is in the delivery

great prices and web page

excellent site and competitive prices. Thanks

so far so good - easy to use

God.

AAAA+++

It's gone well.

So far, so good!

very good so far

Easy to use

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