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Martyr Anodes 35SS720 Stainless Steel Propeller Nut Anode

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

35SS720
08/23/2036 4:47 PM
Sale Price

$111.74

In Stock (10+)

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Usually delivered within 2 days

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Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Martyr Anodes 35SS720 is a high-quality stainless steel propeller nut anode designed to provide galvanic corrosion protection for marine propulsion systems. This sacrificial anode installs at the propeller nut location to protect the propeller shaft, prop, and other underwater metal components from destructive galvanic corrosion in saltwater and freshwater environments.

Key Features:

  • Stainless steel construction for durability and long service life
  • Designed to mount at the propeller nut position
  • Provides galvanic protection for shafts, propellers, and stern drives
  • Manufactured to meet or exceed industry standards
  • Easy installation and replacement

Martyr Anodes are precision-engineered to provide reliable corrosion protection and are trusted by marine professionals worldwide. Regular inspection and replacement of sacrificial anodes is essential for maintaining optimal protection of your vessel's underwater metal components.

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Delivery was on time as advertised and part was just as advertised. Great service.

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Purchased a Dometic 16K AC retrofit unit to replace one that died after 20 years. Price for unit was comparable to other sites, and these other sites did not have the product in stock. Other sites were not specific on when part would be available. Boatplicity offered the best price for available stock. Part arrived as promised and delivery was on time. Arrived in excellent condition due to careful shipping packaging. AC unit has been installed and appears to be working well. Thanks for your assistance. Will use your site again for future purchases.

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