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> Marine Supplies > Remove category: Zinc Anodes

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Items: 1 - 15 of 92 | Pages: 1  2  3  4  5  6  7  Next 
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  • Camp Streamline Shaft Zinc

    Camp Streamlined Shaft Zincs SAE

    Streamlined shaft zincs provide a permanent copper contact for cathodic protection of your...

    In Stock 

    Price: $7.35 to $41.33
  • Rudder and Trim Tab Zincs

    Martyr Rudder/Trim Tab Zinc Anodes

    Zinc anodes for rudders and trim tabs are disc shaped plates of zinc designed to minimize corrosion...

    In Stock 

    Price: $3.99 to $25.99
  • Martyr Limited Clearance (LC) Collar Anodes

    Martyr Limited Clearance (LC) Collar Anodes

    Martyr Limited Clearance (LC) Collar Anodes install on the propeller shaft where space is tight....

    In Stock 

    Price: $7.98 to $29.05
  • Camp Rudder Zincs

    Camp Rudder Zincs

    Rudder zincs are sacrificial cathodic protection for the life of your rudder, and need to be...

    In Stock 

    Price: $3.09 to $45.74
  • Camp Pencil Zinc Anodes with Brass Cap

    Camp Pencil Zinc Anodes with Brass Cap

    Boat pencil zincs offer cathodic protection for engines, heat exchangers, water jackets, pipes,...

    In Stock 

    Price: $3.70 to $14.42
  • Mercruiser Alpha 1 Zinc Anode Kits

    Martyr Mercruiser Alpha 1 Zinc Anode Kits

    Replace all sacrificial zinc anodes on 1991-Present Mercruiser Alpha 1 Generation II stern drive...

    In Stock 

    Price: $49.91 to $86.04
  • Martyr Magnesium Streamlined Shaft Anode

    Martyr Magnesium Streamlined Shaft Anode

    Martyr Magnesium Streamlined Shaft Anodes are installed over the propeller shaft to provide maximum...

    In Stock 

    Price: $14.00 to $36.01
  • Zinc Anode Pencils

    Camp Zinc Anode Pencils - No Cap

    Zinc anode pencils have a threaded end and no brass caps. Camp zinc pencils are excellent cathodic...

    In Stock 

    Price: $0.99 to $2.99
  • Martyr Zinc Pencils Without Plug

    Martyr Zinc Pencils Without Plug

    Martyr zinc pencils for inboard and stern drive engines. These sacrificial pure zinc rods prevent...

    In Stock 

    Price: $0.99 to $3.99
  • Camp Maxi-Prop Propeller Zincs

    Camp Maxi-Prop Propeller Zincs

    Camp Maxi-Prop Propeller zincs use metric hardware, designed specifically for Maxi-Prop feathering...

    In Stock 

    Price: $2.99 to $20.00
  • Camp Tear Drop Zincs

    Camp Tear Drop Zincs

    Tear drop zincs protect your boat from cathodic decay by acting as a sacrificial anode....

    In Stock 

    Price: $4.00 to $8.99
  • Martyr Divers Dream Hull Anodes

    Martyr Divers Dream Hull Anode

    Martyr Divers Dream anodes bolt on to hulls to minimize the corrosive effects of metals in the...

    In Stock 

    Price: $17.96 to $60.11
  • Mercury Alpha One Gen II Anode Kit

    Mercury MerCruiser Alpha One Gen II Anode Kit

    The Mercury Marine Complete Anode Kit 888756K01 is suited for use on 1991 and newer Mercruiser...

    In Stock 

    Price: $69.02
  • Camp Metric Streamlined Shaft Zinc Anodes

    Camp Metric Streamlined Shaft Zinc Anodes

    Metric zinc anodes fit propeller shafts of metric diameters found on traditional inboard style...

    In Stock 

    Price: $7.49 to $59.86
  • OMC outboard zinc anodes, Johnson/Evinrude outboard anodes

    Martyr OMC/ Johnson/ Evinrude Outboard Zinc Anodes

    Martyr zinc anodes to fit Johnson, Evinrude, and OMC Bombardier outboard engines. Choose from small...

    In Stock 

    Price: $4.98 to $36.09
Items: 1 - 15 of 92 | Pages: 1  2  3  4  5  6  7  Next 
 

Zinc Anodes, Aluminum Anodes & Magnesium Anodes

Which anode material is used for what application?

ZINC Anodes

  • For use in salt water only
  • Not recommended for use in fresh water

ALUMINUM Anodes

  • For use in salt and brackish water
  • Not recommended for use in fresh water
  • Proven to last longer than zinc due to increased capacity

MAGNESIUM Anodes

  • For use in fresh water only
  • Not recommended for use in salt and brackish water
  • The only alloy proven to protect your boat in feresh water

Sacrificial Anodes are placed on hulls, propeller shafts, rudders, trim tabs, outboard engines, stern drives, and in the cooling system of most inboard engines to protect metal parts from galvanic corrosion.

Galvanic corrosion occurs when dissimilar metals, such as an aluminum stern drive and a bronze through-hull, are placed in an electrolyte solution such as seawater. Dissimilar metals are those metals which have different corrosion potential (measured in volts) as determined by the Galvanic Series, and the most common scenario in boating is current passing from the more noble bronze to the less noble aluminum. This transfer of current results in deterioration of the less noble metal. The addition of a zinc actually increases current activity between the metals, but because zinc is the least noble of the three metals in this example, corrosion damage is primarily confined to the zinc itself when properly installed.

Marine anodes are available in zinc, aluminum and magnesium metals to protect different hardware items and other metal boat components. Plate, tear drop, rudder, shaft, tapered, mercury outdrive (specifically designed for use with Mercury engines), zinc pencils, donut collar, Johnson-Evinrude (for use with Johnson-Evinrude engines), weld-on, and other shapes and styles. The corrosion resistance results provided by proper application of boat zinc is incredible and will save time and money in the long run.

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