Martyr Zinc Donut Shaft Anode – 1-1/8 in. Shaft | C04
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You have 30 days to request a return. All sale items are final sale.
Martyr Zinc Donut Shaft Anode – 1-1/8 in. (28.575 mm)
Martyr C04 is a limited-clearance collar anode for a 1-1/8-inch (28.575 mm) propeller shaft. Its zinc alloy is intended for saltwater.
- Martyr part reference: C04.
- Shaft bore: 1-1/8 in. (28.575 mm)
- Catalog dimensions: 1.25 in. (31.75 mm) axial height × 2.7 in. (68.58 mm) outside diameter.
- Split, interlocking collar design fits around the shaft.
- Anode material: Zinc.
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
Match the 1-1/8-inch (28.575 mm) shaft bore first, then check the 2.7-inch (68.58 mm) outside diameter and 1.25-inch (31.75 mm) axial space against the propeller, strut and shaft seal. A collar with the right bore can still be too large for the available clearance.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.