R1875A Rudder / Trim Tab Anode – 1-7/8" Aluminum Sacrificial Anode
R1875A Rudder / Trim Tab Anode – 1-7/8" Aluminum Sacrificial Anode
Infographic highlighting the superiority of aluminum anodes with benefits listed.
Comparison chart between Aluminum and Zinc for water types and properties
Diagram explaining how anodes work to prevent galvanic corrosion damage on boats.

R1875A Rudder / Trim Tab Anode – 1-7/8" Aluminum Sacrificial Anode

$7.27 Sale

Protect your rudder, trim tab, and other underwater metal components from galvanic corrosion with the R1875A aluminum sacrificial anode. Manufactured from Performance Metals Navalloy® aluminum alloy, this marine anode provides dependable corrosion protection in saltwater, brackish water, and freshwater environments.

Designed as a two-piece clamp-on anode, the R1875A features pressed-in nuts for secure installation and includes stainless steel mounting hardware. Its compact size makes it ideal for smaller rudders, trim tabs, and other underwater hardware requiring reliable corrosion protection.

Key Features

  • Replaces R1 rudder and trim tab anode
  • Protects rudders, trim tabs, and 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 easy installation
  • Includes stainless steel mounting hardware
  • Pressed-in nuts provide secure mounting
  • Compact size for smaller marine applications

Specifications

  • Material: Navalloy® Aluminum Alloy
  • Length: 1-7/8"
  • Weight: 0.1 lbs (0.03 kg)
  • Water Compatibility: Salt, Brackish, and Fresh Water

Includes

  • Two-piece rudder / trim tab anode
  • Stainless steel mounting hardware