Martyr Johnson & Evinrude Outboard Block Sacrificial Anode - CM398331A

Features:

• Material: aluminum
• Anodes must be replaced when they are 70% eroded
• Martyr (Canada Metal (Pacific) Limited) only uses mil-spec mil-a-l800l alloy in all of their premium marine anodes
• This alloy helps the anode erode inward giving the anode a sandblasted appearance
• Canada Metal uses a special steel combination fastener that makes it possible to use their Ball drive, which is a hex driver with a universal ball tip (Ball-drive is Sold Separately)
• 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, Fresh or Brackish water:
  • Not recommended, but can be used in fresh water
  • Proven to last longer than zinc due to increased capacity
  • Alloy is manufactured to meet or exceed US Military Specification (MIL-A-24779(SH))
  • Magnesium Alloy Anodes = Fresh water only
    • The only alloy proven to protect your boat in fresh water
    • It is not recommended to use magnesium anodes in salt or brackish water, the result may be an accelerated corrosion rate, which may damage the metal parts of your boat and leave you with no anode protection in a short period of time.

Anode Catalog (27.51 MB)

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