Aluminum Prop Nut Anodes
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Model # 15446701 Mfg # CMPNAD
Model # 15446701 Mfg # CMPNAD
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Used in saltwater, aluminum anodes protect better and longer than zinc. Used in brackish water, aluminum anodes are superior to zinc, which can “passivate” and not work at all or magnesium anodes which corrode too rapidly. Aluminum anodes are also lighter than zinc and do not contain cadmium, which is a substance of environmental concern. Offered here as replacement anodes only.


Attachment Method Screw-On
Best Use Prop/Shaft
Compatibility Not For a Specific Engine
Dimensions 1 5/8" Outer Diameter x 2 1/16" Length (42mm x 52mm)
Material Aluminum
Shape Prop Nut
Type Replacement Anode Only
Water Type Salt Water