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Martyr Anodes CMEZ4 Zinc Pencil Anode 3/4" x 3-3/8" (Plug Not Included)

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

CMEZ4
06/13/2036 5:21 AM
Sale Price

$4.73

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 CMEZ4 is a replacement zinc pencil anode designed for marine engine cooling systems. This sacrificial anode protects your engine's cooling passages from galvanic corrosion by corroding preferentially to more valuable metal components.

Key Features:

  • Zinc alloy construction for effective galvanic protection in saltwater and brackish water environments
  • Pencil-style design measuring 3/4" diameter x 3-3/8" length
  • Replacement anode only - brass plug not included (reuses existing plug)
  • Direct replacement for worn or depleted engine cooling system anodes
  • Easy to install when performing routine maintenance

Regular inspection and replacement of sacrificial anodes is essential for protecting your marine engine investment. Replace this anode when it has corroded to approximately 50% of its original size to maintain optimal corrosion protection.

Very pleased and will be back for my automotive parts

thank you, quick easy. Great prices!

I didn't get a shipping notice until three days after I got the product. It was exactly what I ordered and did arrive during the proper time frame

It was a good price with fast delivery. They had the lowest price I found. My only comment was the shipping cost was more then I expected.

Quick, efficient, professional

Quick Purchase, very good.

Cheapest around, website was easy to navigate, will follow up with details once product is received!

I ordered a pair of products from Autoplicity and one of them was defective. It was no fault of there's and they handled it with a return postage slip and immediate credit on my card. Very nice to deal with and fast service.

So far easy to order from. I will see how long it takes to get product now.

Ordering was easy. Will see how shipping aligns with expectations.

competitive prices and good selection. Will definitely look to this vendor when purchasing automotive parts in the future. I ordered a roof rack and it was very hard to find elsewhere and the few places I did find it, it was more expensive.. it was cheap and easy here. thanks :)

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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