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Tecnoseal 20805MG Anode Kit for Mercury Bravo 3 2004-Present with Hardware 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

20805MG
07/12/2036 10:29 PM
Sale Price

$68.10

In Stock (10+)

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Product Details

The Tecnoseal 20805MG is a complete magnesium anode kit designed specifically for Mercury Bravo 3 stern drives manufactured from 2004 to present. This comprehensive kit provides essential corrosion protection for your outdrive in freshwater and brackish water environments.

Kit Contents:

  • (1) 00835MG Trim Tab Anode
  • (1) 00820MG Nosecone Anode
  • (2) 00818MG Propeller Nut Anodes
  • (1) 00836MG Skeg Anode
  • (1) 00815MG Drive Shaft Housing Anode

Key Features:

  • Complete replacement anode set for full outdrive protection
  • Magnesium alloy construction ideal for freshwater and brackish water applications
  • All mounting hardware included for easy installation
  • Direct OEM replacement fit for Mercury Bravo 3 outdrives
  • Convenient polybag packaging keeps all components organized

Regular replacement of sacrificial anodes is critical for preventing costly corrosion damage to your stern drive. This kit provides everything needed for a complete anode replacement service on your Mercury Bravo 3 outdrive.

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