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 43.424.05 is a high-purity zinc anode compatible with Mercury (826134), Yamaha (00825-01405), and Honda (41109-ZW1-003) outboard engines. With compact dimensions of 29×22×77 mm, it fits various trim tab and lower unit mounting locations and ensures effective galvanic protection in saltwater conditions.
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€ 12,92
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1-2 weeks delivery time The Osculati 43.424.08 is a compact aluminium anode (29×22×77 mm) compatible with Mercury 826134, Yamaha 00825-01405, and Honda 41109-ZW1-003. Designed for saltwater and brackish environments, it offers lightweight, efficient galvanic protection with full OEM fitment for lower units, trim tabs, and gearcases.
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€ 12,36
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1-2 weeks delivery time The Osculati 43.424.09 is a magnesium anode measuring 29×22×77 mm, compatible with Mercury 826134, Yamaha 00825-01405, and Honda 41109-ZW1-003. Ideal for freshwater use, magnesium offers the highest protection efficiency by reacting faster than zinc or aluminium, safeguarding the lower unit, trim tab, and gearcase areas.
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€ 14,98
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1-2 weeks delivery time The Osculati 43.424.10 is a zinc anode specifically designed for Mercury Verado outboard engines, replacing OEM reference 880653. This high-purity zinc component delivers optimal corrosion protection for submerged metallic parts in saltwater environments, ensuring the engine's long-term durability.
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€ 20,19
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1-2 weeks delivery time The Osculati 43.424.12 is a zinc anode for Mercury Verado outboards, replacing OEM references 892227 and 893404. Designed for use in saltwater environments, it provides critical galvanic protection for lower unit components and mounting hardware, ensuring long-term durability of the engine structure.
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€ 27,10
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1-2 weeks delivery time The Osculati 43.424.13 is a marine-grade aluminium anode for Mercury Verado outboards, replacing OEM part 880653. Engineered for saltwater and brackish environments, it provides excellent protection against galvanic corrosion while reducing weight and environmental impact compared to zinc alternatives.
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€ 15,84
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1-2 weeks delivery time The Osculati 43.424.14 is a magnesium anode for Mercury Verado outboards, replacing OEM part 880653. Designed exclusively for freshwater environments, it delivers superior galvanic protection for the lower unit, trim, and submerged parts of the outboard, where zinc and aluminium are less effective.
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€ 28,74
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1-2 weeks delivery time The Osculati 43.424.15 is a lightweight aluminium anode for Mercury Verado outboards, replacing OEM references 892227 and 893404. Designed for optimal protection in saltwater and brackish conditions, it offers reliable galvanic protection for lower units and structural components, while reducing weight and environmental impact.
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€ 7,04
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1-2 weeks delivery time Specifically engineered for Mercury Verado outboards, the Osculati 43.424.16 magnesium anode (OEM ref. 892227 / 893404) provides superior cathodic protection in freshwater environments. Manufactured from high-purity magnesium alloy, this anode ensures maximum electrochemical activity, ideal for preventing galvanic corrosion on engine components. Dimensions and fitment comply precisely with OEM specifications for seamless replacement and performance reliability.
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€ 16,72
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1-2 weeks delivery time The Osculati 43.424.20 zinc rod anode is designed as a direct-fit replacement for Mercury Verado outboards using OEM part 8M00-12083. This zinc anode offers robust galvanic protection in saltwater environments, effectively shielding the motor’s internal cooling passages and metallic components from corrosion. Its rod-shaped profile ensures a secure fit within the engine’s anode housing and complies fully with original manufacturer specifications.
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€ 13,45
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1-2 weeks delivery time Designed for Mercury Verado outboards, the Osculati 43.424.21 aluminium rod anode (OEM ref. 8M00-12083) is ideal for brackish and saltwater environments. Its cylindrical shape allows precise placement within the engine’s internal passages, where it delivers targeted galvanic protection. Lighter than zinc and offering a higher current capacity per gram, this anode is suitable for users seeking optimal protection with extended durability and reduced environmental impact.
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€ 8,91
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1-2 weeks delivery time The Osculati 43.424.41 aluminium flange anode is a precision-engineered replacement for Mercury Verado applications referencing OEM part 847-635001. Designed for installation on gearbox or transom-mounted areas, this disc-shaped anode ensures wide surface contact for effective cathodic protection. Manufactured from marine-grade aluminium alloy, it performs reliably in saltwater and brackish environments, combining durability, low environmental toxicity, and efficient corrosion prevention.
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€ 16,19
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1-2 weeks delivery time The Osculati 43.424.50 zinc anode is a direct replacement for Mercury 350 PRO outboards using OEM part 8M0001734. Designed to fit securely into the designated anode slot on the lower unit or transom area, this anode delivers dependable corrosion protection in saltwater environments. Manufactured from high-grade zinc, it ensures long-lasting performance and full compliance with original engine specifications.
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€ 37,59
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1-2 weeks delivery time The Osculati 43.424.51 aluminium anode is a direct replacement for Mercury 350 PRO outboards (OEM ref. 8M0001734), optimized for use in brackish and saltwater conditions. Made from marine-grade aluminium alloy, this anode delivers superior longevity and corrosion protection with reduced environmental impact compared to traditional zinc. Its lightweight design and OEM-compliant shape ensure precise fit and secure installation on lower units or transom surfaces.
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€ 17,04
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1-2 weeks delivery time The Osculati 43.424.52 magnesium anode is engineered for Mercury 350 PRO outboards with OEM reference 8M0001734, delivering maximum cathodic protection in freshwater environments. Manufactured from high-purity magnesium alloy, this anode reacts more actively than zinc or aluminium, making it ideal for low-conductivity waters. Its precision fit and OEM-equivalent design ensure easy installation on the lower unit or transom area.
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€ 25,94
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1-2 weeks delivery time The Osculati 43.425.00 zinc fin anode is a direct-fit replacement for Mercury outboards and stern drives using OEM reference 34127. Designed in a hydrodynamic fin shape, it offers both corrosion protection and steering torque compensation. Constructed from high-purity zinc, this anode performs reliably in saltwater environments and mounts securely beneath the anti-ventilation plate or cavitation plate on compatible Mercury lower units.
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€ 19,54
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1-2 weeks delivery time The Osculati 43.426.00 zinc fin anode is a direct replacement for Mercury 18–25 HP outboards using OEM part 94286. Designed to mount beneath the anti-ventilation plate, this fin-shaped anode protects submerged metal parts from galvanic corrosion while assisting with directional stability. Manufactured from high-purity zinc alloy, it is optimized for saltwater use and ensures long-lasting protection for smaller Mercury outboard engines.
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€ 22,90
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1-2 weeks delivery time The Osculati 43.426.20 zinc leg anode is a direct-fit replacement for Mercury outboards from 50 to 140 HP, referencing OEM part 46399. Designed to protect the lower unit ("leg") against galvanic corrosion, this anode is manufactured from high-purity zinc alloy for maximum effectiveness in saltwater environments. Its form ensures full surface contact with the gearcase for consistent protection and simple bolt-on installation.
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€ 14,91
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1-2 weeks delivery time The Osculati 43.427.40 magnesium flange anode is designed for Mercury Verado outboards using OEM reference 847-635001. Built for freshwater applications, this anode offers highly active corrosion protection due to magnesium’s superior electrochemical potential. The wide flange design ensures full surface coverage, providing maximum protection for gear housings, brackets, or transom-mounted components in low-conductivity water environments.
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€ 28,32
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1-2 weeks delivery time The Osculati 43.433.01 zinc anode is a direct replacement for Mercury 6 to 15 HP outboards using OEM part 42121. Designed for effective corrosion protection of small engine lower units, this anode is made of high-purity zinc for maximum performance in saltwater. Its compact form factor ensures a precise fit on smaller outboards, offering essential protection against galvanic damage.
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€ 14,56
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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.