Mercury Replacement Aluminum Anode 31640T4 is a sacrificial plate designed to inhibit galvanic corrosion on a variety of outboards and sterndrives. This aluminum anode provides superior protection in both fresh and saltwater and is designed with a hydrodynamic shape to provide trim force that aids in steering control.
- Fits Mercury/Mariner 30-200hp outboards and most MerCruiser drives
- Hydrodynamic trim tab design aids in steering control
- Inhibits galvanic corrosion of expensive gearcase housings
- Cast aluminum for superior protection in all water types
- Easy to replace with common shop tools
