Martyr 1-1/2 in Magnesium Streamlined Shaft Anode – CMX07M
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Description
Description
1-1/2 in Magnesium Streamlined Shaft Anode, manufacturer part number CMX07M. This magnesium sacrificial anode is intended for freshwater only.
Choose by shaft diameter (inside diameter), then check outside diameter, length and clearance around the installed anode. Match the hardware style shown for this part.
Specifications and selection
| Manufacturer part number | CMX07M |
|---|---|
| Anode alloy | Magnesium |
| Water type | Freshwater only |
| Dimension H | 63 mm |
| Dimension OD | 70 mm |
| Dimension ID | 38 mm |
| Dimension H | 2.5 in |
| Dimension OD | 2.78 in |
| Dimension ID | 1.5 in |
| Shaft diameter (nominal selection size) | 1-1/2 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
Compare shaft anodes or browse all Martyr anodes.
Manufacturer-listed Fitment
| Verified application / selection limits | Propeller shaft diameter 1-1/2 in. Compare outside diameter, length, clearance and mounting hardware to the manufacturer drawing. |
|---|---|
| Evidence | manufacturer shaft dimensions |
Use all stated model, year, serial-number and configuration limits. This information applies to this exact product; a shared reference number alone does not establish interchangeability.

