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MerCruiser Anodes & Anode Kits

MerCruiser Anodes & Anode Kits

Regular MerCruiser anode replacement ensures your engine's longevity and optimal performance in marine environments. PartsVu carries a complete assortment of MerCruiser anodes and MerCruiser anode kits.

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  • Mercury - Mercathode Reference Electrode Tester - 91-8M0135998

    Mercury

    Mercury - Mercathode Reference Electrode Tester - 91-8M0135998

    $148.48 $162.38
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  • Mercury Quicksilver - Aluminum Anode Kit Sterndrive - Fits 2003/Newer Bravo III Drives - 97-888761Q04

    Mercury

    Mercury Quicksilver - Aluminum Anode Kit Sterndrive - Fits 2003/Newer Bravo III Drives - 97-888761Q04

    $92.49 $107.92
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  • Mercury 31640T4 Outboard Aluminum Anode Trim Tab - Fits Most Mercury/Mariner Outboards 35 HP and above - all MerCruiser except Bravo

    Mercury

    Mercury 31640T4 Outboard Aluminum Anode Trim Tab - Fits Most Mercury/Mariner Outboards 35 HP and above - all MerCruiser except Bravo

    $15.99 $17.92
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  • Mercury Quicksilver - Aluminum Anode Kit - Fits Alpha One Gen II - 97-888756Q03

    Mercury

    Mercury Quicksilver - Aluminum Anode Kit - Fits Alpha One Gen II - 97-888756Q03

    $99.99 $116.58
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  • Mercury - Mercathode Kit - For 12 Volt Operating System - 88334A2

    Mercury

    Mercury - Mercathode Kit - For 12 Volt Operating System - 88334A2

    (1)
    $314.59 $343.83
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  • Mercury Quicksilver - Outboard Aluminum Trim Tab Anode - Fits Most Mercury/Mariner 35 HP and Above - Force 90 - 120 - All Mercury MerCruiser Engines - 822777Q1

    Mercury

    Mercury Quicksilver - Outboard Aluminum Trim Tab Anode - Fits Most Mercury/Mariner 35 HP and Above - Force 90 - 120 - All Mercury MerCruiser Engines - 822777Q1

    (1)
    $24.99 $28.92
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  • Mercury - Mercathode Control Unit - Fits R, MR, Alpha One & Gen II, and Bravo Drives - 8M0100517

    Mercury

    Mercury - Mercathode Control Unit - Fits R, MR, Alpha One & Gen II, and Bravo Drives - 8M0100517

    (1)
    $165.93 $196.58
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  • Mercury Mercruiser Bravo One Gen II Drives Aluminum Anode Kit - 97-888756K01

    Mercury

    Mercury Mercruiser Bravo One Gen II Drives Aluminum Anode Kit - 97-888756K01

    $99.03 $116.58
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  • Mercury Mercruiser Bravo III Aluminum Anode Kit - 97-888761K02

    Mercury

    Mercury Mercruiser Bravo III Aluminum Anode Kit - 97-888761K02

    $92.49 $107.92
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  • Mercury 822777A2 Magnesium Trim Tab Anode - Fits Most Mercury/Mariner 35 HP and Above, part of the PartsVu mercury outboard anodes & anode kit collection

    Mercury

    Mercury - Magnesium Trim Tab Anode - Fits Most Mercury/Mariner 35 HP and Above - Force 90 - 120 - All Mercury MerCruiser Engines - 822777A2

    $34.19 $40.25
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  • Mercury Quicksilver - Magnesium Anode Kit - Fits 2003/Newer Bravo III Drive - 97-888760Q04

    Mercury

    Mercury Quicksilver - Magnesium Anode Kit - Fits 2003/Newer Bravo III Drive - 97-888760Q04

    $171.49 $199.92
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  • Mercury 822777T1 Outboard Trim Tab Anode - Fits Most Mercury/Mariner 35 HP and above - Force 90 -120 - All Mercury MerCruiser Engines

    Mercury

    Mercury 822777T1 Outboard Trim Tab Anode - Fits Most Mercury/Mariner 35 HP and above - Force 90 -120 - All Mercury MerCruiser Engines

    (1)
    $24.56 $28.92
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  • Mercury - Anode(alum) - 97-823912002

    Mercury

    Mercury - Anode(alum) - 97-823912002

    $30.99 $36.00
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  • Mercury 97-72957A5 Outboard Mercathode Anode, part of the PartsVu mercury outboard anodes & anode kit collection

    Mercury

    Mercury - Mercathode Anode - Fits 88334 Series Mercathode Systems - 72957A5

    $102.99 $121.25
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  • Mercury 76214A6 Outboard Magnesium Anodic Plate, part of the PartsVu mercury outboard anodes & anode kit collection

    Mercury

    Mercury - Outboard Magnesium Anodic Plate - Fits Mercury/Mariner 35 - 300 HP - Force 90 - 120 HP 1995 and Newer - MerCruiser Alpha One Generation II and Bravo I, II and III Drives - 76214A6

    $31.78 $37.42
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  • Mercury - Outboard Magnesium Anode Trim Tab - Fits Most Mercury/Mariner Outboards 35 HP and above - All MerCruiser except Bravo - 31640T6

    Mercury

    Mercury - Outboard Magnesium Anode Trim Tab - Fits Most Mercury/Mariner Outboards 35 HP and above - All MerCruiser except Bravo - 31640T6

    $28.38 $33.42
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  • Mercury - Mercathode Control Unit - Fits R, MR, Alpha One & Gen II, & Bravo Drives - 42600A09

    Mercury

    Mercury - Mercathode Control Unit - Fits R, MR, Alpha One & Gen II, & Bravo Drives - 42600A09

    $134.42 $158.25
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  • Mercury - Mercathode Kit - Fits R, MR, Alpha One, Gen II & Bravo Drives - 42600A14

    Mercury

    Mercury - Mercathode Kit - Fits R, MR, Alpha One, Gen II & Bravo Drives - 42600A14

    $275.09 $325.92
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  • Mercury - Mercathode Kit - Fits R, MR, Alpha One & Gen II, and Bravo Drives - 8M0085693

    Mercury

    Mercury - Mercathode Kit - Fits R, MR, Alpha One & Gen II, and Bravo Drives - 8M0085693

    $345.99 $409.92
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  • Mercury Mercruiser Alpha One Gen II Drives Magnesium Anode Kit - 97-888755K01

    Mercury

    Mercury Mercruiser Alpha One Gen II Drives Magnesium Anode Kit - 97-888755K01

    $154.88 $183.50
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  • Mercury Quicksilver - Magnesium Anode Kit - Fits Bravo I Drives - 97-888757Q02

    Mercury

    Mercury Quicksilver - Magnesium Anode Kit - Fits Bravo I Drives - 97-888757Q02

    $112.47 $132.42
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  • Mercury Quicksilver - Aluminum Anode Kit - Fits Bravo II & III Drives - 97-888761Q03

    Mercury

    Mercury Quicksilver - Aluminum Anode Kit - Fits Bravo II & III Drives - 97-888761Q03

    $72.49 $84.50
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  • Mercury - Plate-anodic, part of the PartsVu mercury outboard anodes & anode kit collection

    Mercury

    Mercury - Plate-anodic - 76214T3

    $46.00 $46.43
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  • Mercury - Heat Exchanger Anode - 3/8-18 NPT - See Description For Application - 97-806000

    Mercury

    Mercury - Heat Exchanger Anode - 3/8-18 NPT - See Description For Application - 97-806000

    $33.48 $39.42
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  • Mercury Quicksilver - Aluminum Gimbal Housing Anode - Fits R, MR, Alpha One, Gen II, Bravo I, II, III, X, XR & XZ Drives - 97-821631Q1

    Mercury

    Mercury Quicksilver - Aluminum Gimbal Housing Anode - Fits R, MR, Alpha One, Gen II, Bravo I, II, III, X, XR & XZ Drives - 97-821631Q1

    $26.83 $31.58
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  • Mercury Quicksilver - Aluminum Trim Cylinder Anode - Fits Vazer, Bravo I, II, III, X, XR, XZ & Blackhawk Drives - 97-806190Q1

    Mercury

    Mercury Quicksilver - Aluminum Trim Cylinder Anode - Fits Vazer, Bravo I, II, III, X, XR, XZ & Blackhawk Drives - 97-806190Q1

    $39.99 $46.75
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  • Mercury Quicksilver - Aluminum Anode Kit - Fits MC-I, R, MR, Alpha and Bravo Drives - 97-55989Q9

    Mercury

    Mercury Quicksilver - Aluminum Anode Kit - Fits MC-I, R, MR, Alpha and Bravo Drives - 97-55989Q9

    $16.42 $20.86
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  • Mercury - Trim Tab - Zinc - 34127T2

    Mercury

    Mercury - Trim Tab - Zinc - 34127T2

    $21.80 $25.67
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  • Mercury Quicksilver - Aluminum Anode Kit - Fits Bravo I Drives - 97-888758Q02

    Mercury

    Mercury Quicksilver - Aluminum Anode Kit - Fits Bravo I Drives - 97-888758Q02

    $78.88 $93.25
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  • Mercury Mercruiser Bravo II / III Drives Aluminum Anode Kit - 97-888761K01 - See Models

    Mercury

    Mercury Mercruiser Bravo II / III Drives Aluminum Anode Kit - 97-888761K01 - See Models

    $71.77 $84.50
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  • Mercury - Anode Kit - Magnesium - 97-888760K02

    Mercury

    Mercury - Anode Kit - Magnesium - 97-888760K02

    $168.74 $199.92
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  • Mercury Mercruiser Bravo I Drives Aluminum Anode Kit - 97-888758K01

    Mercury

    Mercury Mercruiser Bravo I Drives Aluminum Anode Kit - 97-888758K01

    $79.21 $93.25
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  • Mercury Quicksilver - Magnesium Anode Kit - Fits Bravo II & III Drives - 97-888760Q03

    Mercury

    Mercury Quicksilver - Magnesium Anode Kit - Fits Bravo II & III Drives - 97-888760Q03

    $102.35 $120.50
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  • Mercury Quicksilver - Magnesium Anode Kit - Fits Alpha One Gen II Drives - 97-888755Q03

    Mercury

    Mercury Quicksilver - Magnesium Anode Kit - Fits Alpha One Gen II Drives - 97-888755Q03

    $157.49 $183.50
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  • Mercury - Prop Nut Anode - Magnesium - Fits Bravo III - 97-865182A02

    Mercury

    Mercury - Prop Nut Anode - Magnesium - Fits Bravo III - 97-865182A02

    $35.12 $40.67
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  • Mercury Quicksilver - Aluminum Driveshaft Housing - Fits Bravo I, II, III, X, XR & XZ Drives - 821630Q1

    Mercury

    Mercury Quicksilver - Aluminum Driveshaft Housing - Fits Bravo I, II, III, X, XR & XZ Drives - 821630Q1

    $36.81 $43.33
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MerCruiser Anode Replacement Resources and Information

MerCruiser anodes are crucial as they protect the engine from corrosion by acting as sacrificial metal, attracting corrosive elements and preventing damage to vital components, thus extending the engine's lifespan and maintaining performance. PartsVu sells MerCruiser anode replacements and MerCruiser anode kits to help you maintain and protect your engine. 

To assist you in performing maintenance on your MerCruiser sterndrive engine, we’ve put together helpful resources, including: 

Shop MerCruiser Parts by Engine

MerCruiser Engine Schematics

MerCruiser Oil Capacities Chart

How to Stop Marine Rust & Corrosion

Mercury MerCruiser Inboard Maintenance

What Are MerCruiser Anodes?

MerCruiser anodes are crucial components designed to protect your MerCruiser engine from the corrosive effects of saltwater and other marine environments. These anodes, often made from zinc, aluminum, or magnesium, act as sacrificial metal that attracts corrosive elements, preventing them from damaging the engine's essential parts. As these anodes corrode, they effectively sacrifice themselves to safeguard more critical engine components.

A few different types of anodes for a MerCruiser sterndrive engine include trim tab anodes, transom anodes, and engine block anodes (internal anodes), each positioned strategically to provide protection. MerCruiser anode replacement is essential maintenance for any boat owner, as a worn-out anode loses its effectiveness in protecting the engine from corrosion.

Regular inspection and timely MerCruiser anode replacement ensure your engine remains in optimal condition, extending its lifespan and maintaining performance. Neglecting this maintenance can lead to significant damage, costly repairs, and reduced efficiency. Therefore, understanding the importance of MerCruiser anodes and adhering to a regular replacement schedule is vital for the longevity and reliability of your marine engine. Always consult your MerCruiser manual for specific guidelines on anode types and replacement intervals to protect your investment adequately.

How often should MerCruiser Anodes be replaced?

MerCruiser anodes should be replaced regularly to ensure optimal engine protection. The replacement frequency depends on various factors, including water salinity, usage, and storage conditions. Generally, it is recommended to inspect MerCruiser anodes every six months and replace them annually or when they are 50% eroded. 

Due to accelerated corrosion, more frequent inspections and replacements may be necessary in saltwater environments. Regular maintenance and timely replacement of MerCruiser anodes are essential to prevent engine damage and ensure longevity and reliable performance. Always consult your MerCruiser manual for specific recommendations tailored to your engine model and usage conditions.

What are the impacts of corrosion on a MerCruiser sterndrive engine?

Corrosion poses significant risks to a MerCruiser sterndrive engine, leading to severe and costly damage if not adequately managed. The primary impact of corrosion is the gradual deterioration of metal components, which can compromise the engine’s structural integrity and functionality. Corroded parts such as the propeller, drive shaft, and exhaust system can suffer from pitting and weakening, reducing the engine’s efficiency and performance.

Moreover, corrosion can lead to the formation of leaks in the cooling system, resulting in overheating and potential engine failure. The buildup of rust and scale inside the engine can also restrict water flow, exacerbating cooling issues and causing further mechanical problems. In severe cases, corrosion can penetrate the engine’s critical areas, leading to extensive repairs or a complete replacement.

The cost of corrosion on a MerCruiser sterndrive engine is considerable. Repairing or replacing corroded parts can be expensive, and the downtime associated with these repairs can disrupt your time on the water. Regular maintenance, including replacing sacrificial anodes and using corrosion inhibitors, is essential to mitigate these effects.