Yamaha outboard anodes are crucial for protecting the engine from corrosion, particularly in marine environments where saltwater exposure is common. These anodes, often made from zinc, aluminum, or magnesium, act as sacrificial metals, drawing corrosive elements away from key engine parts.
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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 OEM-style aluminium bridge anode designed for Yamaha outboards (ref. 65W-45251-00 / 6EO-45251-12) and Selva 4–70 HP 4-stroke engines. Featuring a 6.5 mm mounting bore, it fits directly into the engine leg housing, providing effective corrosion protection for submerged components in saltwater and brackish environments. The high-efficiency aluminium alloy ensures long service life and reliable performance.
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€ 9,15
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1-2 weeks delivery time Magnesium bridge anode for Yamaha outboards (OEM 65W-45251-00 / 6EO-45251-12) and Selva 4–70 HP 4-stroke engines. Featuring a 6.5 mm central bore, it fits the leg or lower unit of the engine. Designed specifically for freshwater environments, magnesium provides the highest electrochemical activity, ensuring fast and efficient protection against galvanic corrosion in low-conductivity conditions.
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€ 8,01
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1-2 weeks delivery time OEM-style fin anode for Yamaha 2-stroke and 4-stroke outboards, 150–225 HP, reference 6J9-45371-00. With a diameter of 100 mm, this anode is mounted under the anti-ventilation plate and provides effective galvanic protection in saltwater environments. Its hydrodynamic shape also helps reduce steering torque and improve directional stability.
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€ 19,75
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1-2 weeks delivery time Magnesium fin anode compatible with Yamaha 225–300 HP outboards, OEM reference 61A-45371-00. With a 100 mm diameter and directional fin design, it fits under the anti-ventilation plate and provides high-efficiency galvanic protection in freshwater environments. The magnesium composition delivers the strongest protective current, ideal for low-conductivity inland waters.
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€ 23,88
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1-2 weeks delivery time Magnesium directional fin anode for Yamaha 200–300 HP outboards, OEM reference 69L-45371-00. With a diameter of 100 mm, this fin-type anode mounts beneath the anti-ventilation plate to protect submerged components in freshwater environments. Magnesium offers the highest galvanic activity, making it ideal for low-conductivity conditions while reducing steering torque thanks to its integrated hydrodynamic fin.
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€ 20,56
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1-2 weeks delivery time OEM-style aluminium directional fin anode for Yamaha 200–300 HP outboards, equivalent to reference 69L-45371-00. With a 100 mm diameter, this anode is mounted beneath the anti-ventilation plate and offers dual functionality: effective galvanic protection in saltwater and brackish conditions, and compensation for propeller torque through its hydrodynamic fin shape. Made from high-efficiency aluminium alloy for extended service life.
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€ 15,54
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1-2 weeks delivery time Zinc directional fin anode designed for Yamaha 200–300 HP outboards, OEM reference 69L-45371-00. With a diameter of 100 mm, it mounts beneath the anti-ventilation plate, providing reliable galvanic protection in saltwater environments. Its hydrodynamic fin design also reduces steering torque caused by propeller thrust, maintaining directional stability and engine efficiency.
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€ 21,68
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1-2 weeks delivery time Zinc directional fin anode for Yamaha 225–300 HP outboards, equivalent to OEM reference 61A-45371-00. With a diameter of 100 mm, it mounts under the anti-ventilation plate to provide efficient galvanic protection in saltwater environments. Its hydrodynamic fin design also stabilizes steering by offsetting propeller torque.
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€ 24,68
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1-2 weeks delivery time Aluminium foot anode compatible with Yamaha 300–350 HP outboards, OEM reference 6AW-45373-00. Designed for installation on the lower unit (gearcase housing), this anode ensures long-term galvanic protection in saltwater and brackish water. Its aluminium alloy composition provides optimal performance and extended lifespan compared to zinc, with reduced environmental impact.
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€ 16,67
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1-2 weeks delivery time Aluminium directional fin anode for Yamaha 225–300 HP outboard engines, equivalent to OEM reference 61A-45371-00. With a 100 mm diameter, it mounts beneath the anti-ventilation plate to reduce steering torque and protect submerged metal components from galvanic corrosion. Optimized for use in saltwater and brackish environments, aluminium offers high durability with less environmental impact than zinc.
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€ 16,70
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1-2 weeks delivery time Zinc fin anode with leftward bend, designed for counter-rotating Yamaha outboards from 100 to 200 HP, OEM reference 6K1-45371-00. With a 92 mm diameter, it mounts beneath the anti-ventilation plate to provide saltwater corrosion protection and directional torque compensation for left-hand rotating propellers.
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€ 19,32
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1-2 weeks delivery time Aluminium fin anode with rightward bend for Yamaha outboards 90–200 HP and above, equivalent to OEM reference 6E5-45371-01. Designed for standard (right-hand) rotating propellers, this 92 mm trim anode mounts beneath the anti-ventilation plate, reducing steering torque and protecting the lower unit from galvanic corrosion in saltwater and brackish environments.
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€ 14,22
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1-2 weeks delivery time Zinc support anode compatible with Yamaha (OEM 6G5-45251-01 / -02) and Selva outboards. Designed for mounting on the lower unit housing, this anode provides effective galvanic protection of internal and external drive components in saltwater conditions. Its OEM shape ensures direct fitment and dependable long-term corrosion resistance.
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€ 26,80
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1-2 weeks delivery time Aluminium support anode compatible with Yamaha 6G5-45251-01 / -02 and Selva outboards. Designed for installation on the lower unit housing, this anode offers superior galvanic protection in saltwater and brackish environments. Aluminium provides a lightweight, long-lasting alternative to zinc, ensuring reduced maintenance and environmental impact.
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€ 17,71
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1-2 weeks delivery time Magnesium support anode designed for Yamaha 100–300 HP outboards, OEM reference 6G5-45251-01/02. Ideal for freshwater applications, it mounts on the lower unit or support bracket, delivering highly active galvanic protection in low-conductivity environments. Magnesium ensures fast and reliable corrosion control, safeguarding critical engine components during inland water use.
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€ 27,91
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1-2 weeks delivery time Oblong zinc anode compatible with Yamaha outboards, OEM reference 6AW-45251-00. Designed for installation on the gear housing or lower unit, this anode ensures long-term galvanic protection in saltwater environments. Zinc remains the most widely used anode material for traditional marine conditions, offering reliable corrosion resistance for submerged metal surfaces.
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€ 21,88
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1-2 weeks delivery time OEM-style aluminium oblong anode for Yamaha outboards, reference 6AW-45251-00. Designed to protect the lower unit or gear housing, this anode offers efficient corrosion resistance in saltwater and brackish water. Aluminium provides longer service life, lighter weight, and reduced environmental impact compared to zinc, making it ideal for modern marine use.
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€ 16,88
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What is the difference between external and internal anodes on a Yamaha outboard motor, and where are each used?
The primary difference between external and internal anodes on a Yamaha outboard motor lies in their placement and the type of protection they provide. External anodes, such as the zinc trim tab anode and propeller anode, are mounted on parts of the outboard that are exposed to water, such as the trim tabs, motor mount, and propeller, where they help prevent corrosion from salt, brackish, and fresh water. Internal anodes, located inside the motor, like those on the cylinder head or block, protect critical engine components from the effects of electrolysis and galvanic corrosion. Regular replacement of both external and internal Yamaha anodes is crucial to ensure the performance and longevity of your outboard motor, especially when used in corrosive environments like saltwater or brackish water.
How can failure to replace Yamaha anode impact the long-term performance of your outboard motor?
Failure to replace the anodes on your Yamaha outboard can lead to significant damage from corrosion, affecting both external and internal components of the motor. Without proper anode protection, parts like the trim tabs, motor block, and propeller are more susceptible to galvanic corrosion, which can cause critical components to corrode and fail over time. Regular anode replacement, using the correct zinc or magnesium anode for your Yamaha outboard, ensures that these sacrificial anodes protect the motor, preventing costly repairs and maintaining optimal performance, especially in harsh environments like salt and brackish water.
How does the anode for Yamaha outboard motor impact the longevity of the motor's components?
The anode for Yamaha outboard motors plays a crucial role in preserving the longevity of the motor's components by preventing corrosion. External and internal anodes, such as zinc anodes for Yamaha outboards, protect critical parts like the trim tabs, motor block, and head gasket from electrochemical corrosion, especially in harsh marine environments. Regular anode replacement, as part of routine maintenance, ensures that your Yamaha outboard continues to operate efficiently, helping to prevent damage to vital components and extending the overall life of the motor.
What types of Outboard Motor Anodes do you have in your catalog?
Evinrude Outboard Anodes, Suzuki Outboard Anodes, Mercury Outboard Anodes, Honda Outboard Anodes, Tohatsu Anodes, Yamaha Outboard Anodes, Selva Anodes, Volvo Penta Anodes, Mercruiser Anodes, Yanmar Anodes