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Martyr Anodes CM3855411A Aluminum Anode for Volvo Penta SX Transom Plate

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

CM3855411A
06/23/2036 10:02 AM
Sale Price

$26.73

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Usually delivered within 2 days

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Product Details

The Martyr Anodes CM3855411A is an aluminum sacrificial anode designed as a direct replacement for the Volvo Penta OEM anode reference 3855411, used on SX stern drive transom plates. Sacrificial anodes protect your drive and hull hardware from galvanic corrosion by offering a more electrically active metal that corrodes preferentially, keeping your valuable components intact.

Key Features:

  • Aluminum alloy construction — ideal for brackish and saltwater environments
  • Direct OEM replacement for Volvo Penta part number 3855411
  • Designed for use on Volvo Penta SX stern drive transom plate
  • Provides reliable galvanic corrosion protection for underwater metal components
  • Manufactured by Martyr Anodes, a leading brand in marine sacrificial anode solutions
  • Aluminum formula offers superior protection compared to zinc in low-salinity and mixed-water conditions

Martyr Anodes are engineered to meet or exceed OEM specifications, ensuring a proper fit and maximum service life. Regular replacement of sacrificial anodes is essential preventive maintenance for any marine vessel equipped with a stern drive.

Awesome place to shop. prices are great as well

Ordering was very easy, and the part shipped right away. Will use autoplicity again without a doubt.

so far so good

Checkout was difficult

Quick service, let's see how is the delivery.

fast and quick to ship! I couldnt ask for anything better! Will do more biz in the future thats for sure!<br>

Great price!

Quick and easy shopping.

Pretty good. lets hope the delivery is as good.

Excellent prices, fast shipping, good customer services. I'm a very happy customer and I will buy again from them.

Great price, fast shipping! Simply the best!

Autoplicity had a MSD Timing Twister that was discontinued and no one had in stock. I called 6 places before getting in touch with them. Ordered part and had it in a matter of days.

Order was shipped next day. Thank you.

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