€ 27,97
1-2 weeks delivery time
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The Osculati 43.435.02 – Mercruiser 821631A-1 Magnesium Anode is a high-activity sacrificial anode specifically designed for Mercruiser Alpha and Bravo sterndrives operating in freshwater. Manufactured from high-purity magnesium, it offers maximum electrochemical reactivity to effectively protect submerged metal components from galvanic corrosion in low-conductivity environments. This anode is a direct-fit replacement for OEM part 821631A-1 and features precise factory-aligned mounting dimensions.
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Osculati 43.435.02 – Mercruiser 821631A-1 Sterndrive Magnesium Anode
This magnesium anode is developed for Mercruiser sterndrives and is ideal for use in freshwater conditions. Magnesium is the most active sacrificial anode material, providing superior protection for critical components such as the sterndrive housing, trim hardware, and propeller shaft. The anode directly replaces Mercruiser OEM part 821631A-1 and ensures long-term defense against electrolysis-related deterioration in low-salinity environments.
Feature Specification Osculati Code 43.435.02 OEM Reference Mercruiser 821631A-1 Material Magnesium (high-purity) Compatibility Mercruiser Alpha & Bravo sterndrives Application Sterndrive galvanic corrosion protection Recommended Environment Freshwater only
- OEM replacement for Mercruiser 821631A-1
- Best choice for low-conductivity freshwater environments
- Made from high-purity magnesium for maximum activity
- Protects submerged aluminium and stainless steel parts
- Precision fit with OEM-spec mounting geometry
- Easy installation – bolts directly in place
Documents
Osculati Catalogue 2025 - page 771 Size: 413,7 Kb -
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