Anode kits are essential for protecting outboard engines, sterndrives, and other submerged boat components from galvanic corrosion.
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1-2 weeks delivery time The Osculati 43.823.93 magnesium washer anode (Ø 20×7 mm) is designed for freshwater applications and is compatible with Suzuki (11130-94600), as well as selected Evinrude, OMC, and Selva outboards. Made from highly reactive magnesium alloy, this compact washer-type anode offers superior cathodic protection for shafts, fasteners, and cooling system fittings in low-conductivity environments.
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€ 5,72
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1-2 weeks delivery time The Osculati 43.824.92 aluminium ring anode (Ø 20×7 mm) is a compact corrosion protection solution designed as a direct replacement for Mercury OEM part 823912-1. Ideal for saltwater and brackish environments, this cadmium-free aluminium anode is suitable for shafts, studs, and internal engine fittings, delivering lightweight, long-lasting galvanic defense.
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€ 4,68
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1-2 weeks delivery time The Osculati 43.359.00 zinc anode kit is designed for MerCruiser Alpha One Generation II sterndrives from 1991 onward. This 6-piece OEM-equivalent set (762145 + 806189×2 + 806105 + 821629 + 821631) includes all critical sacrificial elements for complete protection of the drive system’s cavitation plate, gearcase, trim tab, and rams in saltwater environments. Precision-cast from high-purity zinc, the set provides comprehensive galvanic defense to prevent corrosion damage in all immersed metal areas.
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€ 76,47
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1-2 weeks delivery time The Osculati 43.359.01 aluminium anode kit is designed for MerCruiser Alpha One Generation II sterndrives from 1991 onwards. This 6-piece OEM-compliant set (762145 + 806189×2 + 806105 + 821629 + 821631) ensures full corrosion protection in saltwater and brackish conditions. Made from lightweight, cadmium-free aluminium alloy, it offers extended service life and environmental advantages over zinc-based alternatives.
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€ 51,81
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1-2 weeks delivery time The Osculati 43.359.02 magnesium anode kit is specifically engineered for MerCruiser Alpha One Generation II sterndrives from 1991 onward. This 6-piece set (762145 + 806189×2 + 806105 + 821629 + 821631) is optimized for freshwater use, offering high-reactivity sacrificial protection to all key sterndrive components. Magnesium ensures maximum performance in low-conductivity environments, safeguarding against electrolysis and galvanic corrosion.
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€ 86,50
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1-2 weeks delivery time The Osculati 43.360.00 zinc anode kit is designed for MerCruiser Bravo I sterndrives manufactured from 1988 to present. This 5-piece OEM-equivalent kit includes zinc components (762145 + 806188 + 821630 + 806190×2) for complete protection of the drive system’s gearcase, trim rams, and cavitation plate. Cast from high-purity zinc, this kit is ideal for saltwater use and shields critical components from galvanic corrosion.
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€ 71,51
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1-2 weeks delivery time The Osculati 43.360.01 aluminium anode kit is a 5-piece OEM-equivalent solution designed for MerCruiser Bravo I sterndrives from 1988 to present. This set includes cavitation plate, gearcase, trim ram, and rear plate anodes (part numbers 762145, 806188, 821630, 806190×2), and is optimized for saltwater and brackish environments. Made from lightweight, cadmium-free aluminium, the kit offers longer service life and reduced environmental impact compared to zinc.
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€ 49,54
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1-2 weeks delivery time The Osculati 43.360.02 magnesium anode kit is designed for MerCruiser Bravo I sterndrives produced from 1988 onward. This 5-piece set (762145 + 806188 + 821630 + 806190×2) offers highly effective corrosion protection in freshwater environments. Magnesium's high electrochemical activity ensures fast and reliable defense for key drive components, including the cavitation plate, gearcase, trim rams, and mounting points.
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€ 107,99
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1-2 weeks delivery time The Osculati 43.361.00 zinc anode kit is engineered for MerCruiser Bravo II sterndrives (1989–present) and Bravo III models (1989–2003). This 4-piece OEM-compliant set includes essential zinc anodes—762145, 821630, and 806190×2—to provide complete protection for the cavitation plate, trim cylinders, and rear plate. Cast from high-purity zinc, it ensures reliable corrosion defense in saltwater conditions.
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€ 64,93
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1-2 weeks delivery time The Osculati 43.361.01 aluminium anode kit is built for MerCruiser Bravo II sterndrives (1989–present) and Bravo III units (1989–2003). This 4-piece set (762145 + 821630 + 806190×2) uses cadmium-free aluminium alloy, providing long-lasting galvanic protection in saltwater and brackish environments. Lightweight and eco-conscious, it safeguards key exposed surfaces including the cavitation plate, trim rams, and rear mounting zone.
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€ 43,72
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1-2 weeks delivery time The Osculati 43.361.02 magnesium anode kit is designed for MerCruiser Bravo II sterndrives (1989–present) and Bravo III units (1989–2003). This 4-piece set includes OEM-equivalent anodes (762145 + 821630 + 806190×2) and is optimized for freshwater environments, where magnesium’s high reactivity ensures superior corrosion protection for the cavitation plate, trim rams, and rear mounting area.
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€ 85,54
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1-2 weeks delivery time The Osculati 43.362.00 zinc anode kit is specifically designed for MerCruiser Bravo III sterndrives from model year 2004 onwards. This 6-piece set includes OEM-referenced components (762144 + 762145 + 865182 + 821630 + 806190×2) and provides full galvanic protection to the cavitation plate, gearcase, trim rams, and transom mount. Manufactured from high-purity zinc, it ensures long-term defense in saltwater conditions.
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€ 87,75
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1-2 weeks delivery time The Osculati 43.362.01 aluminium anode kit is designed for MerCruiser Bravo III sterndrives from model year 2004 onwards. This 6-piece OEM-equivalent set (762144 + 762145 + 865182 + 821630 + 806190×2) offers complete galvanic protection using cadmium-free aluminium alloy, ideal for saltwater and brackish environments. Lightweight and long-lasting, it safeguards upper and lower plates, gearcase, trim rams, and transom areas.
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€ 58,78
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1-2 weeks delivery time The Osculati 43.362.02 magnesium anode kit is tailored for MerCruiser Bravo III sterndrives built from 2004 onward. This 6-piece set (762144 + 762145 + 865182 + 821630 + 806190×2) is optimized for freshwater environments. Magnesium offers superior protection in low-conductivity water, providing rapid electrochemical activity to shield the cavitation plates, gearcase, trim rams, and transom areas from galvanic corrosion.
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€ 65,79
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1-2 weeks delivery time The Osculati 43.423.00 zinc flat fin anode is designed for MerCruiser Alpha and Bravo sterndrives ranging from 35 to 300 HP. Equivalent to OEM part 806105, this anode protects the lower unit and steering components against galvanic corrosion in saltwater conditions. Its flat-profile fin ensures proper hydrodynamic performance while delivering effective sacrificial protection.
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€ 13,41
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1-2 weeks delivery time The Osculati 43.423.01 is a zinc flat fin anode compatible with MerCruiser Bravo sterndrives. Equivalent to OEM part 762144, it offers effective protection for lower unit components exposed to saltwater. Its flat hydrodynamic design ensures minimal drag while maintaining full sacrificial functionality to prevent galvanic corrosion.
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€ 11,63
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1-2 weeks delivery time The Osculati 43.423.11 is an aluminium flat fin anode designed for MerCruiser Alpha and Bravo sterndrives rated from 35 to 300 HP. Equivalent to OEM part 806105, it provides lightweight, long-lasting corrosion protection for the lower unit and steering components in saltwater and brackish environments. The flat-profile design maintains hydrodynamic efficiency while ensuring full sacrificial performance.
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€ 10,89
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1-2 weeks delivery time The Osculati 43.423.12 is a magnesium flat fin anode made for MerCruiser Alpha and Bravo sterndrives in the 35–300 HP range. Replacing OEM part 806105, it delivers aggressive corrosion protection in freshwater conditions. Its lightweight magnesium alloy offers superior reactivity compared to zinc or aluminium, ideal for protecting lower unit and steering gear in lakes and rivers.
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€ 19,01
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1-2 weeks delivery time The Osculati 43.423.20 aluminium flat fin anode is a lightweight, OEM-equivalent corrosion protection component for MerCruiser Bravo sterndrives. Replacing part 762144, this anode offers excellent performance in saltwater and brackish conditions. Its flat fin design maintains hydrodynamic integrity while preventing galvanic damage to lower units and steering assemblies.
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€ 9,49
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1-2 weeks delivery time The Osculati 43.423.21 – Mercruiser 762144 Bravo Magnesium Flat Fin Anode is specifically designed for use on Mercruiser Bravo sterndrives in freshwater environments. Cast from high-purity magnesium for maximum electrochemical activity, this flat fin anode ensures optimal cathodic protection of your sterndrive’s lower unit. It replaces OEM part number 762144 and is ideal for preventing galvanic corrosion in low-conductivity waters. Dimensions and mounting align precisely with the original Mercruiser specifications.
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€ 13,16
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What is an outboard engine anode, and how does it protect a motor from galvanic corrosion?
An outboard engine anode is a sacrificial metal component, such as a trim tab anode or shaft anode, designed to protect the motor from galvanic corrosion by attracting corrosive elements in the water. Installed on parts like the motor's ventilation plate, transom bracket, or propeller shaft, the anode corrodes instead of critical engine components, extending the lifespan of the outboard motor, especially in saltwater and brackish environments. Regular anode replacement ensures continuous protection for the boat motor and other submerged parts.
What is the importance of regularly replacing outboard motor anodes for corrosion protection?
Regularly replacing outboard motor anodes is essential to prevent galvanic corrosion, which can damage critical components like the engine, propeller, and transom bracket. Sacrificial anodes, such as bar anodes, trim tab zinc anodes, and ring anodes, corrode instead of the motor, protecting metal parts from deterioration in saltwater, brackish water, and freshwater. Using the correct alloy anode ensures long-term protection for outboards and boat zinc components, extending the engine’s lifespan and maintaining performance.
What factors determine the choice between aluminum, magnesium and zinc anode for boats?
The choice between zinc, aluminum, and magnesium anodes depends on the water environment where the boat operates. Zinc anodes are ideal for saltwater, aluminum anodes provide effective protection in both saltwater and brackish water, while magnesium anodes are best suited for freshwater. Using the correct anode ensures that essential components like outboard engines, transom brackets, and skegs are protected from galvanic corrosion, extending the lifespan of boat anodes and motor parts.
Additionally, proper maintenance of the cooling system, including timely Honda Impeller Replacement, helps prevent overheating and ensures efficient engine operation.