The Widest Range Of Marine Air Conditioning Spares & Much More Under One Roof
The Widest Range Of Marine Air Conditioning Spares & Much More Under One Roof


Protecting your vessel’s underwater components from galvanic corrosion is one of the most important aspects of marine maintenance, and the 4″ Zinc Rudder & Trim Anode YR-2 Round is designed to deliver reliable, long-lasting protection. Built from high-quality marine-grade zinc, this anode is specifically engineered to safeguard rudders, trim tabs, shafts, brackets, and other submerged fittings exposed to harsh saltwater conditions. By acting as a sacrificial anode, it absorbs the corrosive currents in the water, ensuring your boat’s essential metal parts remain intact, extending their service life and reducing costly repairs.
The YR-2 Round Zinc Anode is precision-manufactured for consistent performance. With its 4-inch diameter, it offers a larger surface area compared to smaller rudder anodes, making it suitable for medium to large-sized vessels requiring more robust protection. Its round shape ensures even wear and optimal current distribution, allowing it to degrade at a steady rate while effectively shielding your equipment.
Installation is straightforward with its bolt-on design, making replacement or maintenance quick and hassle-free. Once installed, this rudder and trim anode immediately begins protecting critical submerged components against electrolysis and galvanic activity that can cause pitting, weakening, or structural failure.
Crafted to meet strict marine industry standards, the YR-2 anode is highly dependable in saltwater environments where zinc remains the preferred material for cathodic protection. Unlike aluminum or magnesium, zinc is ideal for boats operating primarily in seawater, ensuring the highest level of durability and corrosion resistance.
Whether you’re a recreational boater, a yacht owner, or managing a fleet, the 4″ Zinc Rudder & Trim Anode YR-2 Round provides the peace of mind that your vessel’s underwater metals are protected. Designed to be inspected and replaced easily, it is an essential part of any preventative maintenance routine. For optimal results, always monitor your anodes regularly and replace them when 50% of the material has been sacrificed.
| Specification | Details |
|---|---|
| Model | YR-2 Round |
| Type | Rudder & Trim Anode |
| Material | Marine-Grade Zinc |
| Shape | Round |
| Diameter | 4″ (100 mm approx.) |
| Application | Rudders, Trim Tabs, Shafts, Brackets |
| Water Type | Optimized for Saltwater |
| Installation | Bolt-on / Easy replacement |
| Protection Method | Sacrificial Cathodic Protection |
| Maintenance Cycle | Inspect every 6 months; replace when 50% depleted |
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