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Martyr Anodes CMY300350KITZ Yamaha Outboard Anode Kit - Zinc 300-350 HP

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

CMY300350KITZ
06/03/2036 1:19 PM
Sale Price

$32.07

In Stock (10+)

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Product Details

The Martyr Anodes CMY300350KITZ is a complete zinc anode kit engineered for Yamaha 300-350 HP 4-stroke outboard engines. This comprehensive corrosion protection system includes all anodes required for 100% protection of your outboard motor in saltwater environments.

Complete Kit Includes:

  • 1 bracket anode (replaces Yamaha 6AW-45251-00)
  • 1 trim tab anode (replaces Yamaha 6AW-45373-00)
  • Stainless steel fastening hardware
  • Complete installation instructions

Premium Zinc Construction:

  • Manufactured to US Military Specification MIL-DTL-24779C(SH)
  • Pressure die-cast for superior quality and consistency
  • Chemically tested to ensure proper alloy composition
  • Specifically formulated for saltwater marine environments
  • Guaranteed to provide exceptional corrosion protection

Applications: Compatible with Yamaha 300 HP, 350 HP, 375 HP, and 425 HP 4-stroke outboard engines. Cross-references Tecnoseal 21107 and Quicksilver 8M6008000.

Important Installation Note: Always verify propeller clearance after installing new trim tab anodes to ensure proper fit and safe operation.

i typed in part number and clicked order. so. went ok

very nice

easy and quick!

awsome

not enough detail in the first screens.

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