Martyr 127 mm Magnesium Rudder/Trim Tab Anode – CMR04M
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Martyr 127 mm Magnesium Rudder/Trim Tab Anode – CMR04M
Description
Description
127 mm Magnesium Rudder/Trim Tab Anode, manufacturer part number CMR04M. This magnesium sacrificial anode is intended for freshwater only.
Match the disc diameter, thickness and mounting hole to the existing rudder or trim-tab installation.
Specifications and selection
| Manufacturer part number | CMR04M |
|---|---|
| Anode alloy | Magnesium |
| Water type | Freshwater only |
| Dimension H | 16 mm |
| Dimension OD | 127 mm |
| Dimension ID | 9 mm |
| Dimension H | 0.65 in |
| Dimension OD | 5 in |
| Dimension ID | 0.34 in |
Dimension letters follow the manufacturer's drawing. Compare the mounting arrangement and measurements with the part being replaced.
Choosing the correct anode
Freshwater only. Follow the equipment manufacturer's requirements for anode material and application. A shared engine brand or similar appearance alone does not establish compatibility.
View Martyr's product specifications and drawing. Browse Martyr anodes and kits.
Inspection and replacement
Inspect regularly and replace when approximately half of the anode has been consumed. Keep the anode unpainted and ensure clean, secure electrical contact with the protected metal. Follow the equipment manufacturer's installation instructions.
Martyr anode care and material guide
