Tecnoseal R4AL Aluminum Rudder Anode 5 Inch Diameter

The Tecnoseal R4AL is a premium aluminum rudder anode designed to provide effective cathodic protection for rudders, trim tabs, and other underwater metal components on boats operating in saltwater and brackish water environments. This donut-style anode measures 5 inches in outer diameter and features a low-profile design at just 0.60 inches in height.

Key Features:

• Full-size aluminum construction delivers reliable galvanic corrosion protection
• 5-inch outer diameter fits standard rudder and trim tab installations
• Includes stainless steel hex nut and socket cap screw for secure mounting
• Captive hex nut design simplifies underwater installation and replacement
• Lightweight at 1.22 lbs for minimal drag and easy handling

Aluminum anodes are ideal for saltwater and brackish water applications, offering excellent protection for aluminum hulls and outdrives. The included hardware ensures a secure, corrosion-resistant installation that maintains effective electrical contact throughout the anode's service life.