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245 Products

$724.51$0.81

Anodes & Zincs

Anodes & zincs for hull, shaft, prop & rudder & engine. From Canada Metal, Performance Metal, Sierra and more available

245 Products

Volve 280 HP Dual Propeller Aluminum Anode Kit, CM280DPKITA

$26.35
SKU: 206633
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Mfr: Canada Metal (Martyr Anodes)
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Mfg# CM280DPKITA
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LFS# CM280DPKITA

Aluminum Volvo Propshaft Anode

$22.72
SKU: 256813
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Mfr: Canada Metal (Martyr Anodes)
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Mfg# CMV18A

Volvo Penta, Dual Prop 290 Series, Anodes

$6.16
SKU: 466966
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Mfr: Canada Metal (Martyr Anodes)
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Mfg# CM872793A
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LFS# CM872793A

Volvo SX Drive Aluminum Anode Kit

$41.23
SKU: 206632
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Mfr: Canada Metal (Martyr Anodes)
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Mfg# CMSXKITA
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LFS# CMSXKITA

Volvo 290Hp Aluminum Anode Kit

$28.52
SKU: 206635
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Mfr: Canada Metal (Martyr Anodes)
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Mfg# CM280KITA
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LFS# CM280KITA

Volvo 290Hp Aluminum Anode Kit

$43.52
SKU: 206630
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Mfr: Canada Metal (Martyr Anodes)
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Mfg# CM290KITA
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LFS# CM290KITA

Volvo 290 Hp Dual Propeller, Aluminum Anode Kit

$46.07
SKU: 206627
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Mfr: Canada Metal (Martyr Anodes)
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Mfg# CM290DPKITA
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LFS# CM290DPKITA

Mercruiser Anode, CM-34127

$14.44
SKU: 42090
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Mfr: Canada Metal (Martyr Anodes)
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Mfg# CM-34127
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LFS# CM34127Z

Canada Metals Mercruiser Anode, CM-34762

$9.25
SKU: 42091
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Mfr: Canada Metal (Martyr Anodes)
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Mfg# CM-34762
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LFS# CM34762Z

Mercruiser Anode, CM-43994M

From: $15.27
Mfr: Canada Metal (Martyr Anodes)

Mercruiser Anode, CM-46399

$10.50
SKU: 42094
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Mfr: Canada Metal (Martyr Anodes)
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Mfg# CM-46399
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LFS# CM46399Z

Mercruiser Anode, CM-76214

$7.57
SKU: 42096
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Mfr: Canada Metal (Martyr Anodes)
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Mfg# CM-76214
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LFS# CM76214Z

Anode for Mercuiser Alpha Drive Trim Cylinder Piston Ram

From: $2.34
Mfr: Canada Metal (Martyr Anodes)

Mercruiser Anode, CM-821629

$14.05
SKU: 42102
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Mfr: Canada Metal (Martyr Anodes)
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Mfg# CM-821629
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LFS# CM821629CZ

Streamlined Zinc Shaft Anodes

From: $8.71
Mfr: Canada Metal (Martyr Anodes)

Donut Shaft Anodes

From: $9.31
Mfr: Canada Metal (Martyr Anodes)

Rudder & Trim Tab Anodes

From: $8.97
Mfr: Canada Metal (Martyr Anodes)

Propeller Nut Zinc Anodes for Max-Prop, 63mm - 160mm

$11.26
Mfr: Canada Metal (Martyr Anodes)

Commercial Propeller Nut Anodes

From: $22.50
Mfr: Canada Metal (Martyr Anodes)

Beneteau Propeller Nut Anodes

From: $7.86
Mfr: Canada Metal (Martyr Anodes)

Pleasurecraft Hull Anodes, M-24

$7.95
SKU: 42046
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Mfr: Canada Metal (Martyr Anodes)
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Mfg# M-24
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LFS# CMM24

Pleasurecraft Hull Anodes, M-30

$15.51
SKU: 42048
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Mfr: Canada Metal (Martyr Anodes)
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Mfg# M-30
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LFS# CMM30

Martyr Anodes (Canada Metals), Pleasurecraft Hull Anodes

From: $3.65
Mfr: Canada Metal (Martyr Anodes)

Martyr Anodes, Grouper Hanging Hull Anode, Zinc

$51.89
SKU: 42070
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Mfr: Canada Metal (Martyr Anodes)
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Mfg# CMGROUPER
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LFS# GROUPER

 

Marine Anodes and Zincs are necessary for preventing galvanic metal corrosion in boat drive systems. We supply anodes for outdrives, sterndrives, propeller shaft and propellers by popular brands like Canada Metals, Martyr Anodes and Aqua-Pacific.

 

Hull Anodes

 

Hull Anodes are used when you have underwater fittings bonded together electrically. The hull anode depletes instead of underwater metal fittings. These anodes must be carefully monitored to protect the propeller, through-hulls or the entire hull of metal boats.

 

Shaft and Prop Anodes

 

Shaft zincs or anodes are typically fashioned in two pieces and bolted together around the propeller shaft. Propeller zincs may be a ring zinc or a zinc prop nut. Metal rudders, struts and fins are easily protected with zinc anode disks bolted through them.

 

What is Galvanic Corrosion and Why You Need Anodes?

 

Sacrificial Zincs or Anodes are used anytime you have different metals that are physically or electrically connected and immersed in water. These submerged metals will cause some amount of electrical current to flow between them. The electrons that make up that current flow are supplied by the loss of one of the metals. Metal is lost in the form of metal ions - directly into the water! Temperature and salinity (how salty the water is) also factor into how rapidly the metal is corroded. This is called galvanic or dissimilar metal corrosion and if left unchecked, it can quickly destroy underwater metals.

 

Common metals subject to galvanic corrosion are bronze or aluminum propellers on a stainless steel shaft; but rudders, rudder fittings, metal struts, outboards, stern drives as well as heat exchangers and through-hull fititngs are also at risk. The way to counteract galvanic corrosion is to add a third metal into the circuit, one that gives up its electrons easier than the metals you want to preserve. This piece of metal is called a sacrificial anode, and most often it is zinc. In fact, most boaters refer to sacrificial anodes simply as zincs.