These aluminum prop nut anodes conform to the highest MIL-Spec standards and are designed for cathodic protection in brackish and salt water. These replacement spare aluminum anodes can easily be screwed to the shaft to replace prop nuts.  They can be used stern drives as well as outboards.  All prop nuts have a die-cast-in stainless steel insert which provides for better bonding as well as significantly increasing the life of the propeller and shaft.

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    Aluminum Prop Nuts - B Nut Spare

    Prop Nut Anodes
    -38%
    Prop Nut Anodes
    0 out of 5

    Aluminum Prop Nuts – B Nut Spare

    Aluminum Prop Nuts – B Nut Spare

    • Used on 7/8″ Shaft
    • Outside Diameter – 1-1/2″
    • Stainless Steel inserts for longer life and improved Bonding.
    • Sea Shield Streamlined Propeller Nut Anodes add extra protection to your propeller, or if there is limited space for a shaft anode, this may be your only choice.
    • An adapter assembly is screwed onto the shaft which replaces the prop nuts and the Prop Nut Anode screws easily to the assembly.
    • Propeller Nut Anodes can also give additional protection to Stern Drives or Outboards, and can be easily replaced when needed.
    $12.36 $7.70
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    Aluminum Prop Nuts - C Nut Spare

    Prop Nut Anodes
    -40%
    Prop Nut Anodes
    0 out of 5

    Aluminum Prop Nuts – C Nut Spare

    Aluminum Prop Nuts – C Nut Spare

    • Used on 1″ & 1-1/8″ Shaft
    • Outside Diameter – 2″
    • Stainless Steel inserts for longer life and improved Bonding.
    • Sea Shield Streamlined Propeller Nut Anodes add extra protection to your propeller, or if there is limited space for a shaft anode, this may be your only choice.
    • An adapter assembly is screwed onto the shaft which replaces the prop nuts and the Prop Nut Anode screws easily to the assembly.
    • Propeller Nut Anodes can also give additional protection to Stern Drives or Outboards, and can be easily replaced when needed.
    $20.21 $12.15
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    Aluminum Prop Nuts - D Nut Spare

    Prop Nut Anodes
    -39%
    Prop Nut Anodes
    0 out of 5

    Aluminum Prop Nuts – D Nut Spare

    Aluminum Prop Nuts – D Nut Spare

    • Used on 1-1/4″ Shaft
    • Outside Diameter – 2- 5/16″
    • Stainless Steel inserts for longer life and improved Bonding.
    • Sea Shield Streamlined Propeller Nut Anodes add extra protection to your propeller, or if there is limited space for a shaft anode, this may be your only choice.
    • An adapter assembly is screwed onto the shaft which replaces the prop nuts and the Prop Nut Anode screws easily to the assembly.
    • Propeller Nut Anodes can also give additional protection to Stern Drives or Outboards, and can be easily replaced when needed.
    $26.65 $16.30
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    Aluminum Prop Nuts - F Nut Spare

    Prop Nut Anodes
    -43%
    Prop Nut Anodes
    0 out of 5

    Aluminum Prop Nuts – F Nut Spare

    Aluminum Prop Nuts – F Nut Spare

    • Used on 1-1/2″ Shaft
    • Outside Diameter – 2- 3/4″
    • Stainless Steel inserts for longer life and improved Bonding.
    • Sea Shield Streamlined Propeller Nut Anodes add extra protection to your propeller, or if there is limited space for a shaft anode, this may be your only choice.
    • An adapter assembly is screwed onto the shaft which replaces the prop nuts and the Prop Nut Anode screws easily to the assembly.
    • Propeller Nut Anodes can also give additional protection to Stern Drives or Outboards, and can be easily replaced when needed.
    $32.22 $18.30