For Alpha 1 Gen 1 drives from 1983 to 1990. This Navalloy anode Kit is specially formulated to be used in all water types:
fresh, salt and brackish. It is also the only kit we recommend for boats kept on boat lifts or trailers.
fresh, salt and brackish. It is also the only kit we recommend for boats kept on boat lifts or trailers.
This kit contains:
1 Gimbal Housing anode 821631A
2 Gimbal Bolt anodes 55989A
1 Trim Tab Flat anode 31640A
Screws and hardware
Zinc anodes are not recommended for Mercruiser outdrives.
For fresh water use, this kit will save you a lot of money versus the magnesium kits.





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