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Mercruiser Anodes

MerCruiser Anodes

The great thing about boating is that it takes place on the water. That is also the downside of boating- that it takes place in water. Anything made of metal that is immersed or kept in damp or humid conditions over time, will corrode. This corrosive action extends even to boat engine parts. To protect metal parts of a boat or motor from this ultimately destructive action, also known as electrolytic, boaters use anodes made of an activated alloy. The purpose of the anode is to “distract” corrosion from shafts, propellers, rudders, drive parts and other fittings, including pitting of metal elements on decks and other topside locations. The anode will corrode and eventually dissolve, while important boat components remain untouched. Anodes are worthwhile investments no boat should be without!

Wholesale Marine carries a wide selection of MerCruiser anodes specifically designed to protect nearly every MerCruiser model made. These anodes are available in zinc, aluminum and magnesium. Here’s how to tell which you’ll need for your MerCruiser:

  • Zinc Alloy Anodes = Salt water only
    • Not recommended for use in fresh water
    • Alloy is manufactured to meet or exceed US Military Specification (MIL-A-18001K)
  • Aluminum Alloy Anodes = Salt or Brackish water
    • Not recommended for use in fresh water
    • Proven to last longer than zinc due to increased capacity
    •  Alloy is manufacturd to meet or exceed US Military Specification (MIL-A-24779(SH))
  • Magnesium Alloy Anodes = Fresh water only
    • Not recommended for use in salt or brackish water
    • The only alloy proven to protect your boat in fresh water

Wholesale Marine also cautions that boaters never use zinc and aluminum anodes on the same vessel. 

With our vast selection, you may have questions as to which MerCruiser anodes are the best choice for your boat. Use our convenient parts selector, or, if you’d prefer, just ask us. We’re boating enthusiasts, too and share your love of all things nautical. In addition to same day flat-rate shipping and competitive pricing, be sure to ask about our Captain’s Loyalty Program for additional savings! Call us at (877) 388-2628, Monday through Friday, from 9:00 AM until 6:00 PM. We look forward to hearing from you!

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