Zinc Rudder Anode 3-3/4" 64157
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You have 30 days to request a return. All sale items are final sale.
The 64157 is a 3-3/4" zinc rudder anode designed to protect rudders and associated underwater hardware from galvanic corrosion. This two-piece (clam-shell) style anode clamps securely around the rudder blade or mounting area, providing consistent protection in harsh marine environments.
Manufactured from marine-grade zinc, it is the preferred choice for saltwater applications, helping prevent corrosion damage to rudders, shafts, and nearby metal components.
Key Features
- 3-3/4" rudder anode size
- Two-piece clamp-on (donut/oval) design
- Marine-grade zinc construction
- Protects rudder and surrounding hardware
- Secure mounting with stainless hardware
- Ideal for saltwater use
Application / Compatibility
Designed for:
- Rudder protection on inboard vessels
- Sailboats and shaft-driven boats
- Boats with exposed rudder hardware
✔ Common on:
- Inboard cruisers
- Sailboats
- Commercial vessels
Serial Number / Fitment Notice
Always confirm:
- Rudder thickness and profile
- Anode diameter (3-3/4")
- Clearance for installation
Proper fitment ensures secure clamping and effective corrosion protection.
When This Part Needs Replacement
- Anode is 50% or more consumed
- Loose fit or movement
- Uneven corrosion or pitting
- Routine haul-out inspection
Installation Notes
- Install on clean rudder surface
- Tighten evenly across both halves
- Ensure firm contact for proper bonding
- Do not paint the anode
- Recheck tightness after initial use
Alternate / Cross-Reference Part Numbers
- Part #: 64157
- Aluminum equivalent available for brackish water
- Magnesium version available for freshwater
Parts Desk Insight
Rudder anodes are often overlooked but critical—especially on boats that sit in the water full-time. If your shaft anodes are wearing quickly, adding or upgrading rudder protection can help balance the system.
Shipping
Shipping: Ships same or next day for fast Canada wide shipping. âš“
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 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.