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 OEM-equivalent zinc anode designed for MerCruiser Bravo I sterndrive systems, matching reference 806188A. Installed on the propeller shaft bracket, this anode offers robust corrosion protection for underwater metal components exposed to saltwater. Manufactured from high-grade zinc for optimal sacrificial action, it ensures long-term durability and direct fitment without modification.
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€ 12,23
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1-2 weeks delivery time OEM-compatible aluminium anode for MerCruiser Bravo I sterndrive units, equivalent to reference 806188A. Designed to protect the propeller shaft bracket against galvanic corrosion, this anode offers superior performance in saltwater and brackish environments. Manufactured from a high-efficiency aluminium alloy, it provides longer service life and reduced environmental impact compared to zinc.
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€ 10,23
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1-2 weeks delivery time OEM-spec magnesium anode for MerCruiser Bravo I sterndrive systems, matching reference 806188A. Mounted on the propeller shaft bracket, this anode provides maximum galvanic protection in freshwater environments. With high electrochemical activity, magnesium is ideal where conductivity is low, ensuring superior corrosion resistance and long-term durability of submerged metal components.
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€ 18,92
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1-2 weeks delivery time OEM-style zinc ogive anode for MerCruiser Bravo III sterndrive systems, equivalent to reference 865182. This streamlined anode mounts directly on the propeller cone (nose) to protect drive components from galvanic corrosion. Designed for saltwater environments, the high-purity zinc construction ensures long-lasting protection while maintaining hydrodynamic efficiency.
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€ 18,83
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1-2 weeks delivery time Aluminium ogive anode compatible with MerCruiser Bravo III sterndrive systems, equivalent to OEM part 865182. Designed for installation on the propeller cone, this anode protects lower unit components from galvanic corrosion. The aluminium alloy offers extended life and broad-spectrum protection in both saltwater and brackish environments while maintaining hydrodynamic efficiency.
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€ 10,75
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1-2 weeks delivery time High-activity magnesium ogive anode for MerCruiser Bravo III sterndrives, equivalent to OEM part 865182. Designed for installation on the propeller nose cone, this anode provides optimal galvanic protection in freshwater environments. Magnesium's electrochemical reactivity ensures reliable shielding of the lower unit in low-conductivity conditions, ideal for inland and lake use.
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€ 17,20
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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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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.