Quicksilver 31640T6 Magnesium Anode is designed specifically for freshwater use to combat galvanic corrosion. Magnesium provides more active protection than aluminum or zinc in low-conductivity freshwater. This trim tab anode also aids in reducing steering torque for a better boating experience.
- Fits Mercury/Mariner outboards (35hp+) and select MerCruiser sterndrives
- Made from high-quality magnesium for freshwater protection
- Helps combat corrosion and reduce steering torque
- Easy to replace with existing hardware
- Meets or exceeds Mil-Spec A-21412(SH) standards
