Anodes

Zinc anode 155mm
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Zinc anode 155mm

AN133
Outlet
€11.70 €23.40
Zinc anode 155mm
Zinc anode caterpillar 3208
  • -50.03%
Last item in stock
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Zinc anode caterpillar 3208

AN127
Outlet
€2.05 €4.10
Zinc anode caterpillar 3208
Volvo penta zinc anode diameter 52mm external diameter 99mm
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Volvo penta zinc anode diameter 52mm external diameter 99mm

AN112
Outlet
€7.45 €14.90
Volvo penta zinc anode diameter 52mm external diameter 99mm
Zinc anode necklace 20mm
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Zinc anode necklace 20mm

AN100
Outlet
€2.65 €5.30
Zinc anode necklace 20mm
Martyr anode h06 13 cm. diam. outlet Martyr anode h06 13 cm. diam. outlet 2
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Martyr anode h06 13 cm. diam. outlet

0000114146
Outlet
€23.00 €46.00
Weight 4kgstud 16 mm.
For the purposes of this Regulation, the following...
  • -50%
Last item in stock
Clearance sale

For the purposes of this Regulation, the following definitions...

0000109233
Outlet
€3.55 €7.10
For the purposes of this Regulation, the following definitions shall apply:
Anodized volvo penta 872793 outlet
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Last item in stock
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Anodized volvo penta 872793 outlet

0000107910
Outlet
€4.05 €8.10
Anodized volvo penta 872793 outlet
Zinc anode collar 58 cm in diameter.
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Zinc anode collar 58 cm in diameter.

0000106349
Second hand
€4.55 €9.10
Zinc anode collar 58 cm in diameter.
Aluminum tablet anode 20 x 10 cm 2 kgr outlet
  • -50%
Clearance sale

Aluminum tablet anode 20 x 10 cm 2 kgr outlet

0000105855
Second hand
€19.90 €39.80
Aluminum tablet anode 20 x 10 cm 2 kgr outlet
Anode disc 200 mm wide. x 40 mm thick 7 kg
  • -50%
Clearance sale

Anode disc 200 mm wide. x 40 mm thick 7 kg

0000103975
Second hand
€14.85 €29.70
Anode disc 200 mm wide. x 40 mm thick 7 kg
Anodized bar volvo penta 4005206 outlet
  • -50%
Last item in stock
Clearance sale

Anodized bar volvo penta 4005206 outlet

0000102383
Outlet
€33.25 €66.50
Anodized bar volvo penta 4005206 outlet
Anode screw plate 1.9 kg mg duff outlet
  • -50%
Clearance sale

Anode screw plate 1.9 kg mg duff outlet

0000102382
Outlet
€19.90 €39.80
for SALT watersaluminium anode
Anode vf4 26' to 32' thread outlet
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Anode vf4 26' to 32' thread outlet

0000098527
Outlet
€17.90 €35.80
Anode vf4 26' to 32' thread outlet
Anode head series df 128-140 outlet
  • -50%
Last item in stock
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Anode head series df 128-140 outlet

0000098522
Outlet
€30.20 €60.40
Anode head series df 128-140 outlet
Anode nut shaft
  • -50%
Last item in stock
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Anode nut shaft

0000096855
Second hand
€7.65 €15.30
SHUT THE FUCK UP. TOTAL OF 8,5 CM
Conical anode with a diameter of 7 cm alt.7cm outlet
  • -50%
Last item in stock
Clearance sale

Conical anode with a diameter of 7 cm alt.7cm outlet

0000091264
Outlet
€3.55 €7.10
Conical anode with a diameter of 7 cm alt.7cm outlet
Anode helical nut og-027 outlet
  • -50%
Last item in stock
Clearance sale

Anode helical nut og-027 outlet

0000091259
Outlet
€9.20 €18.40
Anode helical nut og-027 outlet
Anode nut helical side power outlet
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Last item in stock
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Anode nut helical side power outlet

0000091258
Outlet
€6.10 €12.20
Anode nut helical side power outlet
Anode nut propeller shaft 50 mm outlet
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Anode nut propeller shaft 50 mm outlet

0000091257
Outlet
€12.75 €25.50
Anode nut propeller shaft 50 mm outlet
Anode plate martyr 1/2 outlet
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Last item in stock
Clearance sale

Anode plate martyr 1/2 outlet

0000091252
Outlet
€7.65 €15.30
Anode plate martyr 1/2 outlet
Anode tail steering wheel cm 46399 outlet
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Last item in stock
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Anode tail steering wheel cm 46399 outlet

0000091249
Outlet
€5.05 €10.10
Anode tail steering wheel cm 46399 outlet
Anode shaft 38 mm outlet 1 kg outlet
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Last item in stock
Clearance sale

Anode shaft 38 mm outlet 1 kg outlet

0000091248
Outlet
€5.05 €10.10
Anode shaft 38 mm outlet 1 kg outlet
Anode shaft 38 mm outlet
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Last item in stock
Clearance sale

Anode shaft 38 mm outlet

0000091247
Outlet
€3.55 €7.10
Anode shaft 38 mm outlet
Helical anode max pro 7,5 cm diameter outlet
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Last item in stock
Clearance sale

Helical anode max pro 7,5 cm diameter outlet

0000091220
Outlet
€7.65 €15.30
Helical anode max pro 7,5 cm diameter outlet
Helical anode max pro 10 cm diameter outlet
  • -50%
Last item in stock
Clearance sale

Helical anode max pro 10 cm diameter outlet

0000091219
Outlet
€11.20 €22.40
Helical anode max pro 10 cm diameter outlet 
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    [name] => Anodes
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    [description] => <h2>Anodes for Boats</h2>
<p><strong>Boat anodes</strong>, also known as <strong>galvanic or sacrificial anodes</strong>, are essential components that protect metal parts of a boat from electrochemical corrosion.</p>
    [additional_description] => <h3>Function of Anodes</h3>
<p>The main function of anodes is to prevent corrosion. They should be replaced at least once per season, and more frequently in harsher marine conditions. Anodes are typically installed along the keel, rudder, or propeller shaft.</p>
<p><strong>Important</strong>: Never paint, brush, or grease the anodes! This would reduce their electrical conductivity with water, rendering them ineffective against corrosion. If your boat stays out of the water for long periods, oxidation may form (especially on aluminum anodes), reducing performance. In these cases, replacement is necessary.</p>
<h4>Anode Selection Chart (in kg), based on metal surface area to protect</h4>
<p>Metal surfaces in m² / Zinc anodes in kg</p>
<ul>
<li>5 to 10 m² → 5.5 kg</li>
<li>10 to 20 m² → 9.5 kg</li>
<li>20 to 30 m² → 18.0 kg</li>
<li>30 to 40 m² → 20.0 kg</li>
<li>40 to 50 m² → 25.0 kg</li>
</ul>
<h4>Types of Anodes</h4>
<ul>
<li>Shaft and rudder anodes</li>
<li>Propeller anodes</li>
<li>Thruster anodes</li>
<li>Mooring anodes</li>
<li>Engine anodes</li>
<li>Weld-on anodes</li>
<li>Bolt-on anodes</li>
<li>Distribution board anodes</li>
<li>Heat exchanger anodes</li>
<li>Aluminum anodes</li>
<li>Special anodes for aluminum boats</li>
</ul>
<p>Find a wide range of zinc, aluminum alloy, and magnesium anodes in our store to replace your hull and engine shaft anodes, whether for inboard or outboard motors.</p>
<h4>Available Anode Types</h4>
<ul>
<li><strong>Drive shaft anodes</strong>
<ul>
<li>Aluminum anodes</li>
<li>Magnesium anodes</li>
<li>Zinc anodes</li>
</ul>
</li>
<li><strong>Hull anodes</strong>
<ul>
<li>Aluminum hull anodes</li>
<li>Magnesium hull anodes</li>
<li>Zinc hull anodes</li>
</ul>
</li>
<li><strong>Outboard anodes</strong></li>
<li><strong>Propeller anodes</strong>
<ul>
<li>Aluminum anodes for propellers/shafts</li>
<li>Magnesium anodes for propellers/shafts</li>
<li>Zinc anodes for propellers/shafts</li>
</ul>
</li>
<li><strong>Bow and stern thruster anodes</strong></li>
<li><strong>Inboard anodes</strong></li>
<li><b>Saildrive/inboard-outboard anodes</b></li>
</ul>
    [meta_title] => Anodes for Boats | MercaNautic ⛵ 🌊
    [meta_description] => Boat anodes, also known as galvanic or sacrificial anodes, are essential components that protect metal parts of a boat from electrochemical corrosion ⛵ 🌊
    [meta_keywords] => Anodes
    [extra_description] => 
    [id] => 918
    [image] => 
)

Function of Anodes

The main function of anodes is to prevent corrosion. They should be replaced at least once per season, and more frequently in harsher marine conditions. Anodes are typically installed along the keel, rudder, or propeller shaft.

Important: Never paint, brush, or grease the anodes! This would reduce their electrical conductivity with water, rendering them ineffective against corrosion. If your boat stays out of the water for long periods, oxidation may form (especially on aluminum anodes), reducing performance. In these cases, replacement is necessary.

Anode Selection Chart (in kg), based on metal surface area to protect

Metal surfaces in m² / Zinc anodes in kg

  • 5 to 10 m² → 5.5 kg
  • 10 to 20 m² → 9.5 kg
  • 20 to 30 m² → 18.0 kg
  • 30 to 40 m² → 20.0 kg
  • 40 to 50 m² → 25.0 kg

Types of Anodes

  • Shaft and rudder anodes
  • Propeller anodes
  • Thruster anodes
  • Mooring anodes
  • Engine anodes
  • Weld-on anodes
  • Bolt-on anodes
  • Distribution board anodes
  • Heat exchanger anodes
  • Aluminum anodes
  • Special anodes for aluminum boats

Find a wide range of zinc, aluminum alloy, and magnesium anodes in our store to replace your hull and engine shaft anodes, whether for inboard or outboard motors.

Available Anode Types

  • Drive shaft anodes
    • Aluminum anodes
    • Magnesium anodes
    • Zinc anodes
  • Hull anodes
    • Aluminum hull anodes
    • Magnesium hull anodes
    • Zinc hull anodes
  • Outboard anodes
  • Propeller anodes
    • Aluminum anodes for propellers/shafts
    • Magnesium anodes for propellers/shafts
    • Zinc anodes for propellers/shafts
  • Bow and stern thruster anodes
  • Inboard anodes
  • Saildrive/inboard-outboard anodes
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