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Tecnoseal 20804MG Anode Kit for Mercury Bravo 2 & 3 Drives Magnesium

Manufacturer

Tecnoseal

<p>Tecnoseal stands as a global leader in the manufacture of sacrificial anodes for cathodic protection, serving the marine, industrial, and offshore sectors with unmatched expertise. Based in Grosseto, Tuscany, this Italian manufacturer has built a reputation over three decades for producing the world's most comprehensive range of corrosion protection solutions. Understanding how galvanic corrosion affects metal components in harsh marine environments is essential for anyone maintaining boats, engines, or industrial equipment exposed to water.</p><h3>Precision Engineering and Italian Craftsmanship</h3><p>Operating from their own foundry facility, Tecnoseal manufactures zinc, aluminum, and magnesium anodes using certified alloy specifications that meet US Military Standards and DNV RP B401 requirements. The company's product catalog includes nearly 2,000 standard anodes and over 3,000 custom-manufactured items, making it the most extensive offering available worldwide. Each anode undergoes rigorous spectrometric testing—more than 6,000 analyses annually—to ensure consistent electrochemical performance and compliance with international standards. This attention to quality extends to critical engine components, including specialized protection for <a href="/11576-tecnoseal-engine-crankshaft-main-bearing-5220">engine crankshaft main bearings</a> and other vital powertrain elements.</p><h3>Cathodic Protection Technology</h3><p>Sacrificial anodes work by corroding preferentially to protect more valuable metals immersed in electrolytic solutions like seawater, brackish water, or freshwater. When properly installed, these anodes form a galvanic couple with the protected metal, providing electrons that prevent oxidation and metal loss. Tecnoseal's anodes protect hulls, propellers, shafts, rudders, trim tabs, and engine components across recreational boats, commercial vessels, and industrial installations. The company's Bi-Tee® zinc alloy represents a breakthrough in environmental sustainability—it's the only cadmium-free zinc anode certified to DNV standards, eliminating toxic pollutants while maintaining superior protective performance.</p><h3>Custom Solutions and Technical Support</h3><p>Beyond standard catalog products, Tecnoseal's engineering department designs hundreds of custom anode solutions annually for shipyards, engine manufacturers, and specialized industrial applications. Their technical team provides comprehensive consulting services, including cathodic protection system design, anode positioning optimization, and installation support. The company maintains offices in Italy, the United States, the United Kingdom, the Netherlands, and Spain, ensuring global availability and technical expertise. With 98% of catalog items stocked and ready for immediate shipment, Tecnoseal combines Italian manufacturing excellence with responsive logistics to meet urgent protection needs across marine and industrial markets.</p>

Part Number

20804MG
07/12/2036 11:26 PM
Sale Price

$39.38

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 Tecnoseal 20804MG is a complete anode kit designed specifically for Mercury Bravo 2 and Bravo 3 stern drives manufactured up to 2003. This comprehensive kit provides complete corrosion protection for your outdrive, helping to prevent galvanic corrosion that can damage expensive drive components in saltwater and freshwater environments.

Kit Contents:

  • (1) 00815MG Trim Tab Anode
  • (1) 00820MG Skeg Anode
  • (2) 00818MG Transom Plate Anodes
  • All necessary mounting hardware included

Key Features:

  • Magnesium alloy construction for superior protection in freshwater and brackish water
  • Complete kit replaces all anodes on Bravo 2 and Bravo 3 drives
  • Includes all mounting hardware for easy installation
  • Direct replacement for OEM Mercury anodes
  • Meets or exceeds military specifications for anode performance

Tecnoseal anodes are manufactured to strict quality standards and provide reliable sacrificial protection for your sterndrive. Regular anode replacement is essential maintenance that protects against costly corrosion damage to aluminum drive components. Magnesium anodes are recommended for freshwater use and provide the highest level of electrochemical protection.

Simple and easy purchase

So far, so good. More after receipt of product and installation. As it turned out, I ordered the wrong window kit, which is completely my fault, so I will have to pay return shipping and there will be a restock fee. Customer service dealt with my issue

Quick and easy. Great Prices.

Very easy to use website, Found the right match and checked out easy. Parts easy to install, was to read and understand directions. Quality product.

Easy to find parts and easy checkout

THIS IS THE BEST PRICE I FOUND ANYWHERE! THANKS.

Good

Great fast service!!

great

Prices...!!!!

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