Martyr Zinc Pencil Anode for Volvo Penta – CM838929Z
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Martyr Zinc Pencil Anode for Volvo Penta – CM838929Z
Description
Description
Zinc Pencil Anode for Volvo Penta, manufacturer part number CM838929Z. This zinc sacrificial anode is intended for saltwater only.
Confirm the cooling-system application, anode dimensions and connection thread before ordering. Pipe threads and anode-rod threads are different specifications.
Specifications and selection
| Manufacturer part number | CM838929Z |
|---|---|
| Anode alloy | Zinc |
| Water type | Saltwater only |
| Dimension L | 1.7 in |
| Dimension OD | 0.67 in |
| Dimension THD1 | M8 in |
| Thread (THD1) | 7/16 UNC |
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.
OEM and Part Number Cross-References
Martyr lists the following numbers in its Additional SKUs field for this product. This is a Martyr aftermarket product. Match the application, mounting details and required anode alloy; a reference number does not establish that the original part uses the same alloy.
| Part Number | Reference |
|---|---|
| 838929 | Manufacturer-listed cross-reference |
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 engine cooling anodes or browse all Martyr anodes.
Manufacturer-listed Selection Dimensions
Replacement pencil rod. Manufacturer drawing dimensions: L 30 mm, OD 17 mm. THD1: 7/16UNC. Select by the original anode dimensions, mounting pattern and thread. These measurements do not establish an engine-model fit.
Compare the original anode, drawing, mounting pattern, thread and clearance. Dimensions alone do not establish engine-model compatibility.
