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Martyr Anodes CM397768Z Zinc Anode for BRP OMC Johnson Evinrude Outboards

Manufacturer

Martyr Anodes

<h3>Martyr Anodes: The World&apos;s Premium Marine Corrosion Protection</h3><p>Few threats to a vessel are as silent and relentless as galvanic corrosion. Submerged metal components—propellers, rudders, shafts, trim tabs, and engine parts—are constantly at risk when dissimilar metals come into contact in an electrolytic environment like seawater. <strong>Martyr Anodes</strong> has spent decades engineering sacrificial anodes specifically to stop that process in its tracks, earning a reputation as one of the most trusted names in marine cathodic protection worldwide.</p><p>Operating as a flagship brand within the CMP Group, Martyr holds a unique distinction in the industry: <a href="/7452-martyr-anodes-anodeszincs-200103">it is the only manufacturer to offer all three anode alloys</a>—zinc, aluminum, and magnesium—under one roof. That breadth matters because the optimal anode material depends entirely on the water you sail. Zinc is the traditional choice for saltwater applications, aluminum excels in saltwater and brackish conditions while delivering a reduced environmental footprint, and magnesium is the go-to solution for freshwater boaters. Having all three alloys available means every boater can select the right protection for their specific environment.</p><h3>Military-Grade Standards, Lab-Certified Quality</h3><p>Quality at Martyr is not a marketing claim—it is a specification. Every anode in the lineup is pressure die-cast and manufactured to strict U.S. Military Alloy Specifications, including MIL-DTL-18001 for zinc and MIL-DTL-24779C for aluminum. Each alloy batch undergoes laboratory testing with full certification and traceability available upon request. The result is an anode with consistent electrochemical activity, even consumption rates, and predictable service life—qualities that professional mariners and weekend boaters alike can depend on season after season.</p><p>With <a href="/7452-martyr-anodes-anodeszincs-200103">more than 1,000 individual anode types</a> covering hulls, shafts, propellers, rudders, trim tabs, bow thrusters, and outboard engines, the Martyr catalog is engineered to fit virtually every major marine engine brand and boat model. Compatibility is a priority: the anodes are designed to precise industry standards for weight and dimension so they drop into place without guesswork.</p><h3>Simplified Protection with Anode Kits</h3><p>For boaters who want a straightforward path to complete corrosion coverage, Martyr&apos;s <a href="/7452-martyr-anodes-anode-kits-200102">engine-specific anode kits</a> deliver everything needed for a full service in a single package. Each kit is assembled for a specific engine make, model, horsepower range, and water type, eliminating the need to source individual pieces separately. Kits are available for top engine brands including Yamaha, Mercury, Volvo, and MerCruiser—making seasonal anode replacement a fast, confident job at the dock or in the yard.</p><h3>A Commitment to Sustainable Boating</h3><p>Martyr has also taken a leadership role on the environmental side of corrosion protection. Traditional zinc anodes can contain cadmium, a metal that poses risks to aquatic ecosystems. As part of its broader corrosion control mission, Martyr has actively championed the adoption of aluminum and magnesium anodes as safer, more sustainable alternatives—materials that deliver equal or superior cathodic performance without the ecological concerns associated with cadmium-containing zinc. That philosophy reflects a brand whose protection ethos extends from the boat to the water around it.</p><p>Whether you are fitting out a new vessel, performing routine seasonal maintenance, or upgrading an aging protection system, Martyr Anodes offers a complete, verified solution backed by rigorous engineering and a century-long heritage of foundry expertise.</p>

Part Number

CM397768Z
09/12/2036 7:40 PM
Sale Price

$14.90

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

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Fitment guaranteed

Fitment guaranteed

Product Details

The Martyr Anodes CM397768Z is a direct replacement sacrificial anode designed specifically for BRP (OMC/Johnson/Evinrude) outboard motors. This genuine Martyr anode provides critical corrosion protection for your engine's lower unit and metal components in marine environments.

Key Features:

  • OEM replacement for BRP/OMC part number 397768
  • Zinc alloy construction for saltwater applications
  • Sacrificial anode design protects expensive engine components from galvanic corrosion
  • Precision engineered to exact OEM specifications for proper fit and function
  • Easy installation with direct bolt-on replacement

Sacrificial anodes are essential maintenance items that prevent corrosion by corroding themselves instead of your engine's valuable metal parts. Regular inspection and replacement of anodes ensures maximum protection and extends the life of your outboard motor. This zinc formulation is specifically designed for saltwater use, while aluminum versions are recommended for brackish water and magnesium for freshwater applications.

Products specifications

Description

Anode Block

Material

Zinc

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Very easy and quick ordering process, so far so good. Completely satisfied with the product and the speed of shipment. Would gladly do business again with Autoplicity.

This place is AWESOME!!! Thanks!!!

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Best price I've found for this part.

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A little hard to find exactly what you're looking for but good prices.. I placed an order for two products that were shipped separately. One was delivered quite quickly and the other took a lot longer. The orders were correct and the products were correct

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Seller was quick and hasle free to deal with. Will purchase again from this seller.

Great service, and great price<br>They were even nice enough to give 5 dollars credit for a review<br><br>Will buy again

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