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 43.267.01 aluminium outboard anode is a lightweight, high-efficiency replacement for Yamaha and Selva OEM part number 61N-45251-01. Ideal for saltwater and brackish water environments, this anode offers superior corrosion protection for outboard engine components. Thanks to its bolt-on design and OEM-conforming dimensions, it ensures quick installation and extended performance life.
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€ 9,70
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1-2 weeks delivery time The Osculati 43.267.02 magnesium outboard anode is a direct replacement for Yamaha and Selva OEM reference 61N-45251-01. Engineered for freshwater environments, this bolt-on anode offers the highest level of electrochemical protection against galvanic corrosion. Lightweight and highly reactive, magnesium anodes are the most effective option for non-saline water conditions, helping preserve the integrity of submerged engine components.
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€ 29,15
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1-2 weeks delivery time The Osculati 43.270.00 zinc fin anode is a rightward-bending trim tab anode for Yamaha outboards from 100 to 220 HP, directly replacing OEM part number 6J9-45371-01. Featuring a 100 mm diameter, it serves dual functions as a steering trim tab and sacrificial anode. Designed for saltwater environments, this zinc alloy component provides reliable corrosion protection and helps compensate for engine torque and propeller walk.
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€ 21,12
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1-2 weeks delivery time Osculati 43.270.01 is an aluminium rightward bend fin anode designed to replace Yamaha OEM part 6J9-45371-01. With a 100 mm diameter and dual functionality as both a trim tab and sacrificial anode, it is suitable for Yamaha outboards from 100 to 220 HP. Its aluminium construction ensures optimal protection and hydrodynamic balance in saltwater and brackish water environments, while reducing weight and environmental impact compared to zinc.
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€ 14,78
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1-2 weeks delivery time Osculati 43.270.02 is a magnesium rightward bend fin anode that replaces Yamaha OEM part 6J9-45371-01. Designed for Yamaha 100–220 HP outboards operating in freshwater environments, this 100 mm diameter anode acts both as a steering trim tab and a highly effective sacrificial element. Magnesium offers the highest electrochemical activity, making it the best choice for non-saline waters to prevent galvanic corrosion of the engine's lower unit.
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€ 18,66
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1-2 weeks delivery time Osculati 43.270.61 is a zinc fin anode with a leftward bend, designed for counter-rotating Yamaha 100–220 HP outboards. It replaces Yamaha OEM part 6K1-45371-02 and features a 100 mm diameter hydrodynamic fin that functions as both a torque-compensating trim tab and a sacrificial anode. Ideal for saltwater use, this component provides critical protection for submerged parts while maintaining directional stability in engines with reversed propeller rotation.
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€ 21,14
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1-2 weeks delivery time Osculati 43.270.62 is an aluminium fin anode with a leftward bend, designed for Yamaha counter-rotating outboard engines from 100 to 220 HP. It replaces OEM part 6K1-45371-02 and features a 100 mm diameter hydrodynamic design that functions both as a trim tab and as a corrosion-preventing anode. Made from lightweight, high-efficiency aluminium alloy, this part is ideal for saltwater and brackish conditions where steering correction and anti-corrosion protection are critical.
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€ 14,78
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1-2 weeks delivery time Osculati 43.276.00 is a zinc plate anode designed to replace Yamaha OEM reference 6AH-45251. Measuring 80 × 58 mm, it provides targeted sacrificial protection for lower units and transom-mounted components exposed to saltwater corrosion. Made from marine-grade zinc, this bolt-on anode ensures long-lasting electrochemical defense for Yamaha outboard engines.
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€ 13,27
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1-2 weeks delivery time Osculati 43.276.01 is an aluminium plate anode designed to replace Yamaha OEM reference 6AH-45251. Measuring 80 × 58 mm, this bolt-on anode is ideal for protecting outboard motor lower units and flat mounting surfaces from galvanic corrosion in saltwater and brackish water. Constructed from high-efficiency aluminium alloy, it offers lightweight performance and extended service life compared to zinc equivalents.
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€ 9,50
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1-2 weeks delivery time Osculati 43.276.02 is a magnesium plate anode that replaces Yamaha OEM reference 6AH-45251. With dimensions of 80 × 58 mm, it is engineered for maximum performance in freshwater environments. The high-reactivity magnesium alloy offers superior galvanic protection for outboard lower units, transoms, and flat metallic surfaces where corrosion risk is elevated due to low conductivity.
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€ 19,11
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1-2 weeks delivery time Osculati 43.350.00 is a complete zinc anode kit for Yamaha 150–200 HP outboard engines, replacing OEM parts 6G5-45251-01 and 6J9-45371-01. Designed for saltwater environments, the kit includes a gear case plate anode and a trim tab fin anode, offering comprehensive galvanic protection for the lower unit and steering system. Ideal for routine maintenance or full corrosion system replacement.
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€ 47,12
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1-2 weeks delivery time Osculati 43.350.01 is a complete aluminium anode kit for Yamaha 150–200 HP outboard engines, replacing OEM parts 6G5-45251-01 and 6J9-45371-01. Designed for optimal performance in saltwater and brackish environments, the kit includes a gear case plate anode and a rightward-bend fin trim tab anode, providing comprehensive corrosion protection and torque compensation with improved efficiency over traditional zinc.
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€ 34,02
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1-2 weeks delivery time Osculati 43.350.02 is a magnesium anode kit designed for Yamaha 150–200 HP outboard engines, replacing OEM parts 6G5-45251-01 and 6J9-45371-01. Specifically engineered for freshwater environments, the kit includes a gear case plate anode and a rightward-bend fin anode, offering the most active level of galvanic protection where conductivity is low. Magnesium’s high reactivity makes this kit ideal for inland lakes and rivers.
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€ 41,96
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1-2 weeks delivery time Osculati 43.351.01 is an aluminium anode kit for Yamaha 150–200 HP outboard engines with counter-rotating propellers. This kit replaces OEM parts 6G5-45251-01 and 6K1-45371-02 and includes a gear case plate anode and a leftward-bend trim tab fin anode, specifically designed for torque compensation in reversed thrust systems. Ideal for saltwater and brackish conditions, aluminium provides high-efficiency protection and environmental compliance.
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€ 46,01
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1-2 weeks delivery time Osculati 43.352.00 is a zinc anode kit designed for Yamaha 200–250 HP outboard motors, replacing OEM parts 6G5-45251-01 and 61A-45371-00. It includes a gear case plate anode and a fixed center fin anode for large-engine lower units. Developed for saltwater use, the kit ensures comprehensive galvanic protection of submerged components exposed to aggressive marine environments.
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€ 48,40
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1-2 weeks delivery time Osculati 43.352.01 is an aluminium anode kit designed for Yamaha 200–250 HP outboards, replacing OEM parts 6G5-45251-01 and 61A-45371-00. The kit includes a gear case plate anode and a fixed center fin anode, both made from high-efficiency aluminium alloy for long-lasting protection in saltwater and brackish water environments. It offers lightweight, eco-friendly, and high-performance galvanic protection for large-engine applications.
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€ 36,73
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1-2 weeks delivery time Osculati 43.352.02 is a magnesium anode kit specifically designed for Yamaha outboard engines from 200 to 250 HP, replacing OEM parts 6G5-45251-01 and 61A-45371-00. Optimized for freshwater use, the kit includes a gear case plate anode and a fixed center fin anode. Magnesium’s high electrochemical activity ensures superior corrosion protection in low-conductivity water, making this kit ideal for inland lake and river applications.
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€ 45,58
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1-2 weeks delivery time Osculati 43.353.00 is a zinc anode kit for Yamaha 200–300 HP high-performance outboards. This kit replaces OEM references 6G5-45251-01 and 69L-45371-00 and includes a gear case plate anode and a specially shaped center fin anode. Designed for saltwater use, the kit provides targeted galvanic protection to key submerged components under high-load conditions typical of sport and offshore engines.
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€ 47,61
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1-2 weeks delivery time Osculati 43.353.01 is a high-efficiency aluminium anode kit for Yamaha 200–300 HP high-performance outboard engines. Replacing OEM parts 6G5-45251-01 and 69L-45371-00, this kit includes a gear case plate anode and a hydrodynamic center fin anode. Engineered for saltwater and brackish conditions, aluminium provides superior protection with less weight and greater longevity than zinc, making it ideal for fast, heavy-load marine applications.
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€ 36,73
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1-2 weeks delivery time Osculati 43.353.12 is a magnesium anode kit specifically designed for Yamaha 200–300 HP high-performance outboards. This kit replaces OEM parts 6G5-45251-01 and 69L-45371-00, and includes a gear case plate anode and a hydrodynamic center fin anode. Magnesium is the most active anode material available and is the only suitable choice for effective protection in freshwater conditions, ensuring optimal corrosion control for high-load engine systems.
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€ 45,62
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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.