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Martyr Anodes CM8M0137814M Magnesium Anode for Mercury Mercruiser

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

CM8M0137814M
06/01/2036 10:03 AM
Sale Price

$10.88

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Martyr Anodes CM8M0137814M is a magnesium anode specifically designed for Mercury and Mercruiser stern drive and inboard engine systems. This sacrificial anode provides essential corrosion protection by attracting electrolysis and preventing damage to more expensive engine components.

Key Features:

  • Magnesium alloy construction for optimal protection in freshwater environments
  • Direct OEM replacement for Mercury/Mercruiser part number 8M0137814
  • Precision engineered to exact manufacturer specifications
  • Sacrificial design protects underwater metals from galvanic corrosion
  • Easy installation with pre-drilled mounting holes

Martyr is the world's leading manufacturer of sacrificial anodes, producing high-quality corrosion protection components that meet or exceed OEM standards. Regular replacement of sacrificial anodes is critical for maintaining the integrity of your marine propulsion system and preventing costly repairs to drives, propellers, and engine components.

Note: Magnesium anodes are recommended for freshwater use only. For saltwater or brackish water applications, aluminum or zinc anodes should be used instead.

Was quick easy and painless, Thanks

shipping price on the higher side

Very fast and correct product!

It turned. Out just grate I would buy again it didn't take Long to get my tires thanks

Great

Yea

Was referred to by a fellow enthusiast from the Saleen Club Of America. Found exactly what I was looking for. Thanks Kevin

Good roce fast shipping no problems! Best kind of transaction.

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