My Account
Shopping Cart

Martyr Anodes CM40005875A Volvo Penta Trim Tab Anode

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

CM40005875A
06/01/2036 10:04 AM
Sale Price

$78.02

In Stock (8)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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 CM40005875A is a precision-engineered sacrificial anode designed specifically for Volvo Penta outdrives and stern drives. This essential marine component protects your valuable drive components from galvanic corrosion by corroding preferentially, extending the life of your propulsion system.

Key Features:

  • Direct replacement for Volvo Penta part number 40005875
  • Mounts to trim tab area of outdrive assembly
  • Available in multiple alloy options for different water conditions
  • Precision cast to OEM specifications for proper fit
  • Easy installation with included hardware

Material Selection Guide:

  • Aluminum alloy: Recommended for salt and brackish water applications
  • Magnesium alloy: Best performance in fresh water environments
  • Zinc alloy: Traditional choice for salt water use

Important Installation Note: Always verify adequate propeller clearance after installing new trim tab anodes to ensure safe operation and prevent contact during drive articulation.

Regular inspection and replacement of sacrificial anodes is critical preventive maintenance that protects expensive drive components from costly corrosion damage. Martyr Anodes are manufactured to meet or exceed OEM specifications, providing reliable corrosion protection for your marine investment.

Products specifications

Description

IPS Drive Transom Bar

Material

Alum.

They had great email communication and shipped my items from order number 14199 very quickly. I was very impressed with how they handled my order.

quick and easy

awesome

No common

More Pontiac items

Easy to deal with, lowest price and included quick shipping.

Good seller. Prompt email on ordering information. Fast shipping.

Fast service

This was an excellent transaction! I ordered parts on Sunday and they arrived tuesday afternoon. Low price, no fuss and super fast. Thanks Autoplicity..........

Very simple and easy to work on thanks

Great Seller. Fast Shipping and great prices!

What a great find! These people are very helpful and their prices are better than 4 wheel parts! The only thing I wish was improved was the handling time to be less than 4 days for 1 item, but other than that, I'm happy.

Good

They had the best price on the internet! Fast shipping and repsonse.

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