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 43.434.32 magnesium plate anode is a freshwater-optimized corrosion protection solution for Mercury 150 HP 4-stroke outboards, equivalent to OEM part 8M0057772. Featuring a wide flat surface, this anode provides maximum coverage and sacrificial action in low-conductivity waters. Made of high-purity magnesium, it offers the highest electrochemical activity for internal and external engine component protection.
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$ 55.69
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1-2 weeks delivery time The Osculati 43.355.00 is a 4-piece zinc anode kit specifically designed for Mercury Verado 4-cylinder and Optimax outboard engines. It includes OEM-equivalent parts 826134 (×2), 828298, and 762145. This complete set offers full corrosion protection for the lower unit, engine block, and trim components in saltwater environments. Built for exact OEM fit and marine-grade durability.
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$ 101.28
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1-2 weeks delivery time The Osculati 43.355.01 is a 4-piece aluminium anode kit designed for Mercury Verado 4-cylinder and Optimax outboard engines. Including OEM-equivalent parts 826134 (×2), 828298, and 762145, this set ensures full anti-corrosion protection for engines operating in salt, brackish, or mixed waters. Lighter and longer-lasting than zinc, aluminium anodes are ideal for modern marine environments.
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$ 65.90
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1-2 weeks delivery time The Osculati 43.355.02 is a 4-piece magnesium anode kit specifically engineered for Mercury Verado 4-cylinder and Optimax outboards. It includes OEM-equivalent parts 826134 (×2), 828298, and 762145. Designed for freshwater use, this kit offers ultra-high reactivity to effectively prevent internal and external galvanic corrosion, ensuring optimal engine longevity.
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$ 124.34
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1-2 weeks delivery time The Osculati 43.356.00 is a complete 8-piece zinc anode kit for Mercury Verado 6-cylinder outboards. It includes OEM-equivalent parts 892227 (×4), 880653, 826134 (×2), and 762145. Designed for full-spectrum corrosion protection in saltwater environments, this set defends the gearcase, steering system, internal cooling passages, and mounting hardware.
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$ 258.92
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1-2 weeks delivery time The Osculati 43.356.01 is an 8-piece aluminium anode kit developed for Mercury Verado 6-cylinder outboards. It includes OEM-equivalent parts 892227 (×4), 880653, 826134 (×2), and 762145. Designed for salt and brackish waters, aluminium offers a lightweight, long-lasting alternative to zinc, delivering full protection for the engine’s gearcase, block, and steering components.
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$ 99.86
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1-2 weeks delivery time The Osculati 43.356.02 is an 8-piece magnesium anode kit developed for Mercury Verado 6-cylinder outboards operating in freshwater environments. This OEM-equivalent set includes 892227 (×4), 880653, 826134 (×2), and 762145, offering full internal and external galvanic protection with ultra-reactive magnesium composition.
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$ 258.19
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1-2 weeks delivery time The Osculati 43.357.00 is a 4-piece zinc anode kit engineered for Mercury EFI outboards rated at 75 to 115 HP. It includes OEM-equivalent parts 826134 (×2), 31640, and 818298. This saltwater-grade set offers full protection for the lower unit, trim, and internal cooling channels. Ideal for maintaining long-term integrity of Mercury’s EFI outboards.
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$ 98.50
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1-2 weeks delivery time The Osculati 43.357.01 is a 4-piece aluminium anode kit for Mercury EFI 4-stroke outboards ranging from 75 to 115 HP. Including OEM-equivalent components 826134 (×2), 31640, and 818298, this lightweight set ensures efficient protection against galvanic corrosion in salt and brackish waters. Aluminium offers improved reactivity, longer service life, and environmental benefits over zinc.
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$ 69.25
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1-2 weeks delivery time The Osculati 43.357.02 is a 4-piece magnesium anode kit specifically engineered for Mercury EFI outboards rated from 75 to 115 HP. Including OEM-matching parts 826134 (×2), 31640, and 818298, this ultra-reactive set provides optimal corrosion protection in freshwater environments. Magnesium is the most efficient choice for low-conductivity water.
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$ 125.17
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1-2 weeks delivery time The Osculati 43.358.00 is a complete zinc anode kit tailored for Mercury 4-stroke F30, F40, and F60 outboards. Designed for saltwater use, it offers OEM-level corrosion protection for key components such as the gearcase, trim tab, and block. This kit ensures long-lasting performance and structural integrity of your outboard engine.
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$ 114.38
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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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$ 171.02
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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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$ 84.74
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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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$ 160.66
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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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$ 191.39
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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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$ 92.30
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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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$ 173.09
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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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$ 144.09
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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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$ 81.02
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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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$ 135.79
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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.