Martyr Anodes CM821631M Mercury Mercruiser Trim Tab Anode

The Martyr Anodes CM821631M is a precision-engineered aluminum trim tab anode designed specifically for Mercury and Mercruiser stern drive systems. This sacrificial anode provides critical corrosion protection for your drive components by attracting corrosive elements in the water, protecting more expensive metal parts from galvanic corrosion.

Key Features:

• Direct replacement for Mercury/Mercruiser OEM part number 821631
• Manufactured from high-grade aluminum alloy for maximum protection in saltwater and brackish water environments
• Precision-cast design ensures proper fit and optimal electrical contact
• Mounts directly to trim tab surface for convenient installation
• Compatible with Alpha One, Bravo, and other Mercury stern drive models

Martyr Anodes are manufactured to strict quality standards and meet or exceed OEM specifications. Regular inspection and replacement of sacrificial anodes is essential for protecting your stern drive investment. Always verify propeller clearance after installation to ensure safe operation.