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Tecnoseal 20800MG Anode Kit for Mercury Alpha 1 Gen 1 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

20800MG
06/21/2036 10:37 AM
Sale Price

$39.43

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Usually delivered within 2 days

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Product Details

The Tecnoseal 20800MG is a complete anode kit designed specifically for Mercury Alpha 1 Generation 1 stern drives. This comprehensive kit provides full corrosion protection for your outdrive, with all necessary hardware included for straightforward installation.

Kit Contents:

  • (1) 00806BISMG Trim Tab Anode
  • (1) 00800MG Skeg/Nosecone Anode
  • (2) 00807MG Transom Plate Anodes
  • Mounting hardware included

Key Features:

  • Premium magnesium alloy construction for superior protection in freshwater and brackish water environments
  • Engineered to meet or exceed OEM specifications for Mercury Alpha 1 Gen 1 outdrives
  • Complete kit replaces all sacrificial anodes on the drive unit
  • All necessary mounting bolts and hardware included for hassle-free installation
  • Convenient polybag packaging keeps components organized

Tecnoseal anodes are manufactured to strict quality standards, ensuring reliable galvanic corrosion protection for your stern drive components. Regular anode replacement is essential preventive maintenance that protects expensive drive components from electrolysis damage. Magnesium anodes are recommended for freshwater and brackish water applications where they provide the most effective protection.

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Best prices online for hard to find parts!

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I'm trying you guys again, hopefully when you say &quot;In Stock&quot; this time it really is !

Great customer service!Fast shipping! Product exactly what I needed!

Autoplicity has the best service i have ever experienced while purchasing an online item, they are fast and easy to use.

Finding my parts on this website was incredibly easy. The prices were the lowest around and I was kept up to date about the estimated delivery date. Order #19058

You should provide more information about fitment of parts. Thanks, Jim

Autoplicity are great! Shipped out my order quick with good prices!

The Parts that I needed at a great price.

Pretty good besides that had to call to confirm quantity of part.

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