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These replacement zinc anodes fit over the corresponding bronze shaft nuts installed on the end of the propeller shaft.
Cast-in stainless steel mounting insert provides better grounding and prevents the anode from loosening, even as it is being consumed.
Propeller nut anodes can significantly increase the life of the propeller and the connected shaft.
• All Sea Shield zinc anodes conform to Mil Spec MIL-A-18001 for maximum protection
• Made in California, USA
|Selected||SKU #||MFG #||Availability|
Shaft Size Diameter
|SKU #: 163294||MFG #: NUT ZINC-B|
85 In Stock
|B - 7/8"|
|SKU #: 215300||MFG #: NUT ZINC-C|
46 In Stock
|C - 1" - 1-1/8"|
|SKU #: 215301||MFG #: NUT ZINC-D|
22 In Stock
|D - 1-1/4"|
|SKU #: 215302||MFG #: NUT ZINC-F|
55 In Stock
|F - 1-1/2"|
|SKU #: 449530||MFG #: NUT ZINC-E|
9 In Stock
|E - 1-3/8"|
|SKU #: 449531||MFG #: NUT ZINC-G|
9 In Stock
|G - 1-3/4"|
|SKU #: 449532||MFG #: NUT ZINC-H|
10 In Stock
|H - 2"|