Mercury Skeg Anode Magnesium | Martyr CM31640M

Martyr Mercury Skeg Anode Magnesium | CM31640M

Martyr Magnesium anode designed to protect gearcase from corrosion in fresh water lakes and rivers.

• Mercruiser trim tab anode
• Magnesium anode for use in fresh water applications
• Used on many Mercury /Mariner outboards 35hp and above
• Used on all MerCruiser excluding Bravo drives
• Replaces Mercury 97-31640T6
• For the anode and mounting bolt see kit p/n CM31640KITM
• For salt water application see p/n CM31640Z