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Martyr Anodes CM393023A Replacement Anode for BRP Johnson Evinrude Outboards

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

CM393023A
06/03/2036 9:40 AM
Sale Price

$10.11

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

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Product Details

The Martyr Anodes CM393023A is a direct replacement sacrificial anode designed specifically for BRP (OMC/Johnson/Evinrude) outboard motors. This anode protects your engine's critical metal components from galvanic corrosion by sacrificing itself to prevent deterioration of more expensive parts like the engine block, gearcase, and cooling system components.

Key Features:

  • Direct replacement for OEM part number 393023
  • Precision-engineered to exact OEM specifications for proper fit and function
  • Available in three alloy options for different water conditions
  • Manufactured to stringent military specifications for reliable corrosion protection
  • Easy installation with OEM mounting configuration

Material Selection Guide:

  • Zinc Alloy: Recommended for use in salt water environments
  • Aluminum Alloy: Ideal for brackish water (mixed salt and fresh water)
  • Magnesium Alloy: Designed for use in fresh water only

Regular inspection and replacement of sacrificial anodes is essential preventive maintenance that protects your investment and extends the life of your outboard motor. Replace anodes when they have eroded to approximately 50% of their original size for optimal protection.

Products specifications

Description

Anode Block

Material

Aluminum

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great site

So far so good, quick and easy

I haven't got my order yet... But praying everything goes well.

So far so good, best price I could find that actually had the part in stock

Autoplicity agent was very helpful over the phone. He answered all my questions & even did some research to make me feel comfortable I was getting the appropriate parts I needed for my car. I was very pleased & will shop Autoplicity again.

Very Convenient.

Easy to find parts needed and offer many discount codes above their already low prices. Received item two days after I ordered.

the order was fast and easy. The pay with amazon feature makes everything faster.

It was fast and easy ;) I cant wait for my stuff to arrive

Good so far.

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