Zinc anode kit for MerCruiser Alpha One Gen 1 stern drives, designed to protect the stern drive from galvanic corrosion with a direct-fit solution.

• Suitable for MerCruiser Alpha One Gen 1 engine
• Alpha 1 Generation 1 engine Kit Includes: CM31640Z: x1, CM55989Z: x2, CM821631Z: x1, Fixing Kit: x1
• Zinc alloy anodes for saltwater conditions
• Direct-fit replacements for the lower unit and trim components
• Includes fixings for straightforward installation
• Duff-branded, OEM-equivalent parts for reliable corrosion protection

Also available in aluminium or magnesium alloys for different water types; choose alloy according to local water chemistry for optimal protection.