Martyr 30 mm Zinc Clamp-On Shaft Anode – CMXC30Z
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Description
Description
30 mm Zinc Clamp-On Shaft Anode, manufacturer part number CMXC30Z. This zinc sacrificial anode is intended for saltwater 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 | CMXC30Z |
|---|---|
| Anode alloy | Zinc |
| Water type | Saltwater only |
| Dimension H | 2.5 in |
| Dimension OD | 2.2 in |
| Dimension ID | 1.19 in |
| Shaft diameter (nominal selection size) | 30 mm |
Dimension letters follow the manufacturer's drawing. Compare the mounting arrangement and measurements with the part being replaced.
Choosing the correct anode
Saltwater 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
Propeller shaft diameter 30 mm. Metric clamp-shaft anode CMXC30Z. Manufacturer drawing: height 65 mm; outside diameter 56 mm; inside diameter 30 mm. Match shaft diameter, clearance and mounting arrangement.
Match all stated dimensions, model, serial-number and configuration limits before ordering.

