My Account
Shopping Cart

Martyr Anodes CM69L4537100A Yamaha Outboard Trim Tab Anode - Aluminum

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

CM69L4537100A
06/03/2036 8:33 AM
Sale Price

$16.53

In Stock (7)

delivery box

Usually delivered within 2 days

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Martyr Anodes CM69L4537100A is a precision-engineered aluminum trim tab anode designed specifically for Yamaha outboard motors. This sacrificial anode provides essential corrosion protection for your outboard's trim tab assembly by attracting and neutralizing electrolysis in saltwater and brackish water environments.

Key Features:

  • Direct OEM replacement for Yamaha part number 69L-4537100A
  • Premium aluminum alloy construction for maximum galvanic protection
  • Precision-molded to exact OEM specifications for proper fit
  • Protects expensive trim tab components from corrosion damage
  • Easy installation with existing mounting hardware

Martyr Anodes are manufactured to meet or exceed US Military specifications (MIL-A-24779) and are the preferred choice of marine professionals worldwide. Regular inspection and replacement of sacrificial anodes is essential preventative maintenance that extends the life of your outboard's vital components.

Important: Always verify propeller clearance after installing new trim tab anodes to ensure proper clearance during operation.

Products specifications

Description

Trim Tab

Material

Aluminum

Had what I needed and easy to use'

Very quick delivery

Easy to order!!

Very easy and smooth

Fast and easy transaction.

Shock arrived early, great price

Found my part easily

Love it first time using you guys

good so far

Quick shipping, customer service followed through.

Very quick and easy to order. Looking forward to the speedy delivery :)

very good price, even better than Amazon and quick checkout.

Love how cheap everything on this site is.

Quick and easy!

Real easy

I ordered a Derale 14204 Trans oil pan from Autoplicity -<br>it arrived quickly, in good shape (was well packed for shipment)<br>More than pleased.... (best price was a bonus)<br>-HBP-

first and last place i had too look had my part it was great

awesome price and super fast shipping. I will use again. Thanks

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy