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 Osculati 43.354.00 is a zinc anode kit designed for Yamaha 60–90 HP outboard motors, replacing OEM parts 688-45371-02 and 6H1-45251-02. The kit includes a trim tab fin anode and a lower unit plate anode. Made from high-purity zinc for saltwater conditions, it protects critical submerged components from galvanic corrosion, extending engine life and preserving performance.
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€ 30,91
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1-2 weeks delivery time Osculati 43.354.01 is an aluminium anode kit for Yamaha 60–90 HP outboard motors, replacing OEM parts 688-45371-02 and 6H1-45251-02. Designed for saltwater and brackish water use, the kit includes a trim tab fin anode and a lower gear case plate anode. Aluminium offers longer service life, lighter weight, and better eco-compatibility than zinc, while maintaining full corrosion protection and steering stability.
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€ 25,34
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1-2 weeks delivery time Osculati 43.354.02 is a complete zinc anode kit designed for Yamaha 40–60 HP 4-stroke outboards. It includes three OEM-equivalent components: 67C-45371-00, 67C-45251-00, and 65W-45251-00. Ideal for saltwater use, this kit protects the gear case, trim tab, and other submerged components against galvanic corrosion, preserving engine integrity and steering balance under continuous exposure to marine environments.
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€ 38,35
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1-2 weeks delivery time Osculati 43.354.03 is an aluminium anode kit for Yamaha 40–60 HP 4-stroke outboard engines, including three OEM-equivalent components: 67C-45371-00, 67C-45251-00, and 65W-45251-00. Designed for saltwater and brackish conditions, the aluminium alloy provides improved efficiency, lighter weight, and longer lifespan than traditional zinc anodes, making this kit ideal for modern marine applications.
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€ 30,92
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1-2 weeks delivery time Osculati 43.354.10 is a full zinc anode kit tailored for Yamaha 40–50 HP outboard engines. The set includes five dedicated anodes—fin, side plate, trim tab, and auxiliary positions—based on Osculati parts 43.256.00, 43.260.03, 43.264.00, 43.260.02, and 43.260.11. Designed for saltwater use, this kit offers comprehensive galvanic protection to exposed lower unit and steering components, ensuring durability and operational safety.
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€ 70,10
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1-2 weeks delivery time Osculati 43.354.11 is a zinc anode kit designed for Yamaha 80–100 HP outboard engines. It includes three OEM-style protection elements: 43.254.10, 43.269.00, and 43.260.07. Built for saltwater environments, the kit provides full cathodic protection for lower unit components, steering trim, and gear housing areas, helping to extend engine life and maintain structural integrity under heavy use.
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€ 43,75
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1-2 weeks delivery time Osculati 43.355.14 is a heavy-duty aluminium anode kit developed for Yamaha 300–350–425 HP high-performance outboards. Specifically designed for offshore and high-output engines, this kit delivers superior galvanic protection in saltwater and brackish environments. Manufactured from marine-grade aluminium alloy, it combines longevity, environmental safety, and weight efficiency for modern, high-demand boating.
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€ 31,12
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1-2 weeks delivery time Osculati 43.355.15 is a magnesium anode kit for Yamaha 300–350–425 HP high-performance outboard engines, including XTO Offshore models. Designed exclusively for freshwater use, magnesium provides the highest electrochemical reactivity, offering superior galvanic protection where aluminium and zinc are ineffective. Ideal for preserving critical submerged engine components in lakes and rivers.
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€ 46,59
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1-2 weeks delivery time Osculati 43.259.98 is a magnesium washer-type anode for Honda 8–20 HP outboard motors. Replacing OEM part 41106-ZW-000, it features a compact Ø24×7 mm design for installation in the cooling jacket or internal housing. Magnesium offers optimal galvanic protection in freshwater, where zinc or aluminium would underperform, ensuring the longevity of internal engine components.
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€ 6,34
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1-2 weeks delivery time Osculati 43.259.99 is an aluminium washer-type anode for Honda 8–20 HP outboards, replacing OEM part 41106-ZW-000. Its compact Ø24×7 mm format ensures direct fit into internal passages such as the cooling jacket. Designed for saltwater and brackish water conditions, this anode protects engine internals from galvanic corrosion, extending service life without compromising weight or performance.
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€ 8,11
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1-2 weeks delivery time Osculati 43.260.00 is a zinc washer-type anode designed for Honda 8–20 HP outboard engines. Equivalent to OEM part 41106-ZW-000, it features a compact 24×7 mm design for internal placement in the cooling system or housing. Ideal for saltwater environments, this anode provides effective sacrificial protection for internal components, reducing the risk of hidden corrosion in critical engine zones.
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€ 13,85
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1-2 weeks delivery time Osculati 43.290.00 is a zinc plate anode designed for Honda 35–50 HP outboard motors, directly replacing OEM part 06411-ZV5-000. Installed on the lower unit, it prevents galvanic corrosion of aluminium components exposed to saltwater, ensuring extended durability and structural integrity under daily marine use.
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€ 13,27
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1-2 weeks delivery time Osculati 43.290.01 is a high-efficiency aluminium plate anode for Honda 35–50 HP outboard engines, designed as a direct OEM replacement for 06411-ZV5-000. It offers superior corrosion protection in both saltwater and brackish water while being lighter and more environmentally friendly than zinc, making it ideal for long-term engine preservation under daily marine use.
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€ 9,38
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1-2 weeks delivery time Osculati 43.290.02 is a magnesium plate anode for Honda 35–50 HP outboard engines, equivalent to OEM part 06411-ZV5-000. Specifically designed for freshwater environments, it provides the highest level of electrochemical protection against galvanic corrosion in the lower unit, where aluminium and zinc anodes are insufficient.
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€ 15,40
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1-2 weeks delivery time Osculati 43.291.00 is a zinc fin-type anode compatible with Honda 25–50 HP outboards. Replacing OEM parts 06412-ZV5-000 and 41107-ZV-5-000, it is mounted under the anti-ventilation plate and provides critical corrosion protection and steering torque compensation in saltwater environments.
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€ 13,83
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1-2 weeks delivery time Osculati 43.291.01 is an aluminium fin-type anode designed for Honda 25–50 HP outboards, equivalent to OEM parts 06412-ZV5-000 and 41107-ZV-5-000. It provides effective cathodic protection of the lower unit and acts as a steering torque compensator. Optimised for saltwater and brackish water use, this anode offers a lightweight, durable solution with excellent corrosion resistance.
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€ 10,56
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1-2 weeks delivery time Osculati 43.291.02 is a magnesium fin-type anode for Honda 25–50 HP outboards, matching OEM parts 06412-ZV5-000 and 41107-ZV-5-000. Optimized for freshwater use, it combines high electrochemical reactivity with steering torque correction, offering full protection for lower units and maintaining precise handling in lake and river conditions.
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€ 18,16
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1-2 weeks delivery time Osculati 43.291.50 is a large 113 mm zinc fin anode for Honda 75–125 HP outboards, matching OEM part 41107-ZW1-B01ZA. It provides dual functionality: galvanic protection for submerged aluminium components and correction of propeller torque. Ideal for saltwater environments, this anode ensures both performance and durability of the lower unit.
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€ 21,03
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1-2 weeks delivery time Osculati 43.291.51 is an aluminium fin anode designed for Honda 75–125 HP outboards, equivalent to OEM part 41107-ZW1-B01ZA. With a large 113 mm diameter, it provides lower-unit corrosion protection and steering torque correction in saltwater and brackish conditions, offering a lighter and longer-lasting alternative to zinc.
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€ 14,50
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1-2 weeks delivery time Osculati 43.291.60 is a complete zinc anode kit for Honda 75–225 HP outboards, including 4 components: a 113 mm fin anode, a hull-mounted plate, and two internal washer anodes. Designed for saltwater use, this kit replaces multiple OEM parts and offers full-spectrum galvanic protection for lower units, gear housings, and cooling circuits.
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€ 59,21
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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.