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Martyr Anodes CMPNBZC11 Propeller Nut Anode Assembly 5/8 NC11 Bronze

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

CMPNBZC11
06/01/2036 4:47 AM
Sale Price

$35.87

In Stock (6)

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Usually delivered within 2 days

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Product Details

The Martyr Anodes CMPNBZC11 is a complete propeller nut anode assembly designed to provide sacrificial corrosion protection for your boat's propeller and shaft hardware. This bronze anode system protects against galvanic corrosion in saltwater and brackish water environments by sacrificing itself instead of your expensive drive components.

Key Features:

  • Complete assembly includes propeller nut anode, insert, and all mounting hardware
  • 5/8 inch NC11 thread size for proper fitment
  • Manufactured from high-quality bronze alloy for optimal protection
  • Installs in place of standard propeller nut to provide continuous corrosion protection
  • Protects propeller, shaft, and lower unit from galvanic corrosion damage
  • Easy installation with included hardware

This propeller nut anode is an essential component for marine corrosion protection systems. Regular inspection and replacement of sacrificial anodes helps extend the life of your propulsion system and prevent costly repairs.

Good deal

good different but ok so far

It was all good and easy.

Fast easy checkout

So far so easy

Fast, easy &amp; good prices

Process to order was fast. Will update the rest later.

Website is pretty easy to use. Good product selection. By far the best price for a lot of items. My Bilstens were at least 10% cheaper at Autoplicity than any other websites (rockauto, amazon, partsgeek, 4wheel, etc, etc). Shipping is reasonable. Great ex

easy, like the coices for checking out with amazon and paypal.

Grate

Best prices

simple

The prices were affordable and of good quality,I will order from them Autoplicity again.

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