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Martyr Anodes CM823661Z Zinc Pencil Anode for Volvo Penta

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

CM823661Z
09/12/2036 1:34 PM
Sale Price

$14.45

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

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Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Martyr Anodes CM823661Z is a zinc pencil anode specifically designed for Volvo Penta sterndrive and inboard engine systems. This sacrificial anode provides essential corrosion protection by preventing galvanic corrosion damage to your engine's critical metal components.

Key Features:

  • Precision-engineered zinc alloy construction for maximum protection in saltwater environments
  • Direct replacement for Volvo Penta OEM part number 823661
  • Pencil-style design for easy installation in tight spaces
  • Sacrificial protection prevents costly damage to engine blocks, heat exchangers, and other vulnerable components
  • Meets or exceeds OEM specifications for reliable performance

Martyr is the world's leading manufacturer of galvanic protection anodes, offering premium quality products backed by rigorous testing and quality control. Regular inspection and replacement of sacrificial anodes is essential for protecting your marine investment and ensuring long engine life.

Lowest prices around, fast to ship. I will be back.

very good

excellent

it was alright its cheaper

Autoplicity has the best service i have ever experienced while purchasing an online item, they are fast and easy to use.

All was good,except delivery wait time..it was longer than usual and delayed from the 8th to the 10th.

Recommended by a fellow RegalGS member. Cheaper than Amazon. I haven't had the opportunity to put them on yet, but everything looks good.

GREAT DEAL

Very nice people very considerate and helpful plus the price was nice

QUICK N PROMP WEB PAGE N EASY TO NAVIGATE THROUGH, WOULD HIGHLY RECOMMEND...

Love shopping here, I always find what I need.

Product was exactly as described. Rob@Autoplicity was great when I had an issue with packages being stolen from my porch and got it delivered to a secure site. Great company and will order from again when I need parts for my Acura.<br><br>Disclaimer: 5 star rating seems cliche but this was exactly what I hope for in online purchase experiences.

Easy to buy. Best price

Easy and quick. A+++

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