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Martyr Anodes CMPNH6Z Autoprop Propeller Nut Anode with Nylon Insert

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

CMPNH6Z
06/03/2036 8:33 AM
Sale Price

$28.41

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Martyr Anodes CMPNH6Z is a specialized propeller nut anode designed specifically for Autoprop feathering propellers. This sacrificial zinc anode threads onto the propeller shaft to provide critical galvanic corrosion protection for your prop and running gear in saltwater environments.

Key Features:

  • Engineered specifically for Autoprop H6 hub size feathering propellers
  • Integrated nylon insert provides secure thread locking to prevent loosening from vibration
  • High-grade zinc alloy formulation for maximum corrosion protection
  • Sacrificial anode design protects more expensive bronze and stainless steel components
  • Easy installation threads directly onto propeller shaft

Martyr is the world's leading manufacturer of marine sacrificial anodes, known for consistent quality and precise metallurgy. Regular replacement of propeller nut anodes is essential preventive maintenance that protects your underwater metals from expensive galvanic corrosion damage. Designed for saltwater use, this anode should be inspected regularly and replaced when depleted by 50% or more.

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It was a pleasure to buy my header here thank u.

Great fast shipping.

Quick. Simple. Secure.

Ordering process was simple and clear.

As advertised

very hard to find parts. was very happy you had them.you won my business.thanks

good

Easy check out with Amazon

The part description was off by a mile, however the part number and the item recieved were exactly what I wanted and orderd. shipped fast, got parts in two days. Finaly got e-mail that parts had shipped 7 days after I had received the order, just a little slow in that regard. As long as I get the parts I orderd and quick shipping, cudos to Autoplicity.

La compra que hice fue muy rápida y sin complicaciones

thank you guys. expecting the same great service as usual

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Autoplicity has made my parts search so much easier. With the best price gurantee, i can now make autoplicity my one-stop shop for all my parts needs.

Very good company! Shipped out product very fast!!! I can say i will use them again

Exact product as promised with the best price on the internet. Product shipped fast and had a tracking number to keep me up to date on my order. I would order from again without hesitation and will tell friends.

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