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 43.172.64 is a leg anode specifically designed for Mercury and Mariner outboard engines in the 50–75 HP range. Fully compatible with OEM reference 17264, it provides vital protection against galvanic corrosion for engine legs operating in salt or brackish water. Manufactured to precise standards for a perfect fit and long service life.
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€ 20,42
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1-2 weeks delivery time The Osculati 43.227.77 is a fin-style anode for Mercury outboard engines and sterndrives from 35 to 225 HP, compatible with OEM reference 822777. Designed for models from 1995 onward, it protects submerged components from galvanic corrosion. Suitable for salt and brackish water, this fin anode also contributes to steering balance on compatible models.
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€ 26,28
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1-2 weeks delivery time The Osculati 43.239.13 is a zinc washer anode designed to protect Mercury and Tohatsu outboard components from galvanic corrosion. Compatible with Mercury OEM 823913 and Tohatsu 369-60218-1, it features a compact 24 × 6.5 mm profile ideal for installation on bolts, shafts, or propeller hardware. This sacrificial anode is a critical element in preserving engine integrity in saltwater use.
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€ 13,85
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1-2 weeks delivery time The Osculati 43.239.14 is an aluminium washer-style anode designed for Mercury and Tohatsu outboards, with direct compatibility to OEM references 823913 and 369-60218-1. Featuring a 24 mm outer diameter and 6.5 mm center hole, this compact sacrificial anode protects bolts, prop shafts, and submerged fittings from galvanic corrosion in salt and brackish waters. Lightweight and long-lasting, it's ideal for modern outboard installations.
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€ 8,11
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1-2 weeks delivery time The Osculati 43.239.15 is a magnesium washer anode designed for Mercury and Tohatsu outboard motors, fully compatible with OEM references 823913 and 369-60218-1. With a 24 mm outer diameter and 6.5 mm center hole, it delivers high-efficiency galvanic protection in freshwater environments. Ideal for shafts, bolts, or threaded submerged components where maximum reactivity is required.
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€ 6,46
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1-2 weeks delivery time The Osculati 43.252.71 is a rod-style anode designed for Mercury 2-stroke and 4-stroke outboard engines from 25 to 40 HP. Fully interchangeable with OEM part number 825271, this internal anode protects the cooling system and internal metal components from galvanic corrosion. Ideal for long-term engine health in both saltwater and brackish environments.
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€ 12,55
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1-2 weeks delivery time The Osculati 43.259.03 is a zinc anode designed for Mercury outboard engines from 2 to 6 HP, fully interchangeable with OEM part 810945M. It protects the engine's lower unit and submerged components from galvanic corrosion. Ideal for saltwater applications, this compact anode ensures long-lasting protection for lightweight motors.
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€ 14,04
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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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€ 49,88
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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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€ 37,82
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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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€ 72,09
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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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€ 65,70
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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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€ 43,61
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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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€ 75,28
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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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€ 57,85
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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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€ 38,21
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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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€ 56,51
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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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€ 61,56
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1-2 weeks delivery time The Osculati 43.420.00 is a zinc fin anode compatible with Mercury and Honda outboard engines ranging from 40 to 225 HP (2-stroke and 4-stroke). With a standard 7/16" threaded shaft, it directly replaces OEM parts Mercury 31640 and Honda 41107-ZW1-003ZA, providing effective saltwater corrosion protection and hydrodynamic balance correction.
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€ 16,24
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1-2 weeks delivery time The Osculati 43.420.10 is an aluminium fin anode for Mercury and Honda outboards from 40 to 225 HP (2-stroke and 4-stroke). It replaces OEM parts Mercury 31640 and Honda 41107-ZW1-003ZA. Featuring a 7/16" thread and hydrodynamic fin profile, it provides effective corrosion protection and propeller torque balancing in salt and brackish waters.
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€ 10,38
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1-2 weeks delivery time The Osculati 43.420.11 is a magnesium fin anode designed for Mercury and Honda outboard engines from 40 to 225 HP. It replaces OEM parts Mercury 31640 and Honda 41107-ZW1-003ZA. Featuring a 7/16" UNC thread and hydrodynamic fin, it ensures high-efficiency galvanic protection in freshwater, where magnesium outperforms zinc and aluminium.
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€ 18,55
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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.