R3750A Rudder / Trim Tab Anode – 3-3/4" Aluminum Sacrificial Anode
R3750A Rudder / Trim Tab Anode – 3-3/4" Aluminum Sacrificial Anode
Infographic highlighting the superiority of aluminum anodes with icons and text on a white background.
Comparison chart between Aluminum and Zinc for water types and hull compatibility.
Diagram showing a red wear indicator on an 'Original Anode' with text about replacing it.
Diagram explaining how anodes work to prevent galvanic corrosion on boats.

R3750A Rudder / Trim Tab Anode – 3-3/4" Aluminum Sacrificial Anode

$14.30 Sale

Protect your rudder, trim tab, and other underwater metal components from galvanic corrosion with the R3750A aluminum sacrificial anode. Manufactured from Performance Metals Navalloy® aluminum alloy, this marine anode provides reliable corrosion protection in saltwater, brackish water, and freshwater applications.

Designed as a two-piece clamp-on anode, the R3750A features pressed-in nuts for easy installation and includes stainless steel mounting hardware. The exclusive patented Red Spot® wear indicator makes it easy to monitor anode condition and know when replacement is needed.

Key Features

  • Replaces R3 rudder and trim tab anode

  • Protects rudders, trim tabs, and other underwater metal components from galvanic corrosion

  • Manufactured from Navalloy® aluminum alloy to MIL-DTL-24779 specifications

  • Suitable for use in saltwater, brackish water, and freshwater

  • Two-piece design for simple installation

  • Includes stainless steel mounting hardware

  • Features the patented Red Spot® wear indicator for easy inspection

Specifications

  • Material: Navalloy® Aluminum Alloy

  • Length: 3-3/4"

  • Weight: 0.6 lbs (0.27 kg)

  • Water Compatibility: Salt, Brackish, and Fresh Water

Includes

  • Two-piece rudder / trim tab anode

  • Stainless steel mounting hardware