Martyr Magnesium Rudder / Trim-Tab Anode Pair | R01M

Martyr Magnesium Rudder / Trim-Tab Anode Pair

Martyr R01M is a paired round sacrificial anode for rudder or trim-tab corrosion protection. Its magnesium alloy is intended for freshwater only.

• Martyr part reference: R01M.
• Catalog outside diameter: 1.87 in. (47.498 mm)
• Manufacturer supplies this rudder-anode series as a pair with stainless steel bolt and nut.
• Anode material: Magnesium.

View product specifications.

Inspect the anode regularly and replace it when about half of the original material has been consumed. Keep anode contact surfaces clean and follow the equipment service instructions for installation.

Parts Desk Insight

Confirm the 1.87-inch (47.498 mm) disc diameter, mounting-hole size and available through-bolt length before replacing an existing pair. The two halves need firm metal contact; paint trapped between the anode and mounting surface can interrupt protection.