Reliance X-40 Hull Zinc Anode
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
The Reliance X-40 is a zinc hull anode designed for bolt-on installation, providing reliable sacrificial corrosion protection for boat hulls and bonded underwater metals in saltwater environments. Its streamlined rectangular profile ensures strong surface contact and consistent current distribution across the hull.
Manufactured from high-purity zinc alloy, the X-40 protects critical components by corroding first—helping prevent costly damage to your vessel.
Key Features
- Marine-grade zinc (saltwater optimized)
- Bolt-on hull anode design
- High-purity alloy for consistent performance
- Excellent electrical contact for effective protection
- Durable casting with long service life
Application / Compatibility
Designed for:
- Hull-mounted corrosion protection
- Bonded underwater metal systems
✔ Common on:
- Fiberglass boats with bonding systems
- Steel and aluminum hull vessels
- Commercial and recreational boats
✔ Protects:
- Hull plating
- Through-hull fittings
- Struts, shafts, and rudders (via bonding system)
Serial Number Fitment Notice
Always confirm:
- Mounting hole spacing
- Anode size and surface area required
- Compatibility with your vessel’s bonding system
Proper sizing ensures effective corrosion protection.
When This Part Needs Replacement
- Anode is 50% or more consumed
- Uneven or accelerated wear
- Poor electrical contact
- Routine seasonal inspection
Installation Notes
- Install on clean, bare metal surface
- Ensure strong electrical connection to bonding system
- Do not paint the anode
- Use proper marine-grade fasteners
- Inspect regularly in saltwater use
Alternate / Superseded Part Numbers
- Reliance: X-40
- Comparable hull anodes available in aluminum and magnesium
- Cross-reference sizes may vary by manufacturer
Parts Desk Insight
Hull anodes like the X-40 protect everything tied into your bonding system—not just the hull itself. If one area is wearing faster than others, it may point to bonding issues or stray current in the system.
Shipping
Shipping: Ships same or next day for fast Canada wide shipping. ⚓
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.