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Martyr Anodes CM43994Z Aluminum Anode for Mercury Mercruiser Trim Tab

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

CM43994Z
06/03/2036 11:13 AM
Sale Price

$22.13

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Martyr Anodes CM43994Z is a high-quality replacement aluminum anode specifically designed for Mercury Mercruiser stern drives. This sacrificial anode provides essential corrosion protection for your stern drive's trim tab assembly by attracting galvanic currents that would otherwise corrode critical metal components.

Key Features:

  • Precision-engineered to fit Mercury Mercruiser stern drives
  • Manufactured from high-grade aluminum alloy for optimal galvanic protection
  • Replaces Mercury OEM part number 43994
  • Easy direct replacement installation
  • Protects expensive stern drive components from galvanic corrosion

Martyr is a trusted name in marine corrosion protection, manufacturing anodes to strict military specifications for reliable performance in saltwater and brackish water environments. Regular inspection and replacement of sacrificial anodes is essential preventative maintenance for any stern drive.

Installation Note: Always verify adequate propeller clearance after installing new trim tab anodes to ensure safe operation.

Quick service. keeps you up to date

SUPER EASY TO ORDER, CHEAPEST PRICES!! WILL BE ORDERING FROM THEM AGAIN!

Receive my order fast and it fit perfect

Very competitive price, responsive customer service, very satisfied.

It was good

The image does catch the item number

great pricing

Great prices, and much faster delivery than expected. They "over-delivered" on what they said they'd do. Will definitely use them again!

great ! except i signed up for 20% discount and wasn't applied. that sucks.

I was very happy with the way I was taken care of and how fast my order shipped

Purchased an item that was cheaper here than any where else. I made the transaction through Amazon. I got confirmation that I made a purchase, but nothing ever stated the charge was made. I did not get confirmation of shipment either. Sent email, requesting charge/shipment. I received shippind g confirmation and delivery same day. I made purchase on a Sunday and received item on Wednesday. Great prices, and very fast shipping...just would like to have known all was well with order etc.<br><br>I would recommend this place and will look here again for price check...

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