Selva anodes are protective devices used to prevent corrosion in Selva outboard engines, especially when operating in saltwater environments. Made from sacrificial metals like zinc or aluminum, these anodes attract corrosive reactions that would otherwise harm essential engine components. Positioned strategically on the engine, Selva anodes ensure that electrochemical reactions focus on the anode, safeguarding critical parts.
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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 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 Zinc rod anode designed for Yamaha outboards (OEM 6H1-45251-03) and Selva engines from 25 to 100 HP. This anode is typically inserted into the cooling water passages to prevent galvanic corrosion inside the engine block and cylinder head. Ideal for saltwater environments, it provides essential internal protection for long-term engine reliability.
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€ 17,39
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1-2 weeks delivery time Aluminium rod anode for Yamaha outboards (OEM 6H1-45251-03) and Selva 25–100 HP engines. Designed for internal installation in cooling water channels, this anode protects against galvanic corrosion inside the cylinder head and engine block. Ideal for saltwater and brackish environments, aluminium offers long-lasting, eco-friendly protection with lower mass and greater efficiency than zinc.
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€ 11,26
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1-2 weeks delivery time Osculati 43.260.02 – Yamaha 67C-45251-00 / 63D-45251-10 & Selva is a zinc leg anode designed to protect the submerged lower unit of Yamaha and Selva outboard engines from galvanic corrosion. Precisely cast to match OEM references, it provides reliable sacrificial protection in saltwater environments. Ideal for various mid-range Yamaha and compatible Selva models, it ensures secure mounting and easy replacement without modification.
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€ 29,97
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1-2 weeks delivery time Osculati 43.260.03 – Yamaha 65W-45251-00 / 6E0-45251-12 & Selva is a bridge-type zinc anode with a 6.5 mm central bore, engineered to protect 4-stroke Yamaha and Selva outboards from 4 to 70 HP. Designed for installation on the engine leg, this anode prevents galvanic corrosion in saltwater by sacrificing itself to protect aluminum and steel components. Manufactured to OEM spec for exact fit.
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€ 11,07
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1-2 weeks delivery time Osculati 43.260.04 – Yamaha 68T-45251-00 & Selva is a zinc leg anode designed to protect lower units of Yamaha and Selva 4-stroke outboard motors in the 6 to 9.9 HP range. Engineered to OEM specifications, it replaces Yamaha part 68T-45251-00 and fits precisely without modification. Made of high-purity zinc for saltwater environments, this anode prevents galvanic corrosion by sacrificing itself to protect vital metal components.
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€ 9,89
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1-2 weeks delivery time Osculati 43.260.24 – Yamaha 68T-45251-00 & Selva is an aluminium leg anode for 4-stroke outboard engines from 6 to 9.9 HP. Designed to replace OEM Yamaha part 68T-45251-00, it provides targeted corrosion protection for the lower unit. Aluminium composition makes it ideal for salt and brackish water, offering longer life and reduced environmental impact compared to zinc.
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€ 12,13
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1-2 weeks delivery time The Osculati 43.260.50 aluminium leg anode is a direct replacement for Yamaha part numbers 67C-45251-00 and 63D-45251-10, as well as compatible Selva marine engines. Made from high-efficiency aluminium alloy, this anode is designed for outboard motor legs exposed to brackish or saltwater. It provides essential galvanic protection against corrosion for Yamaha and Selva drive housings, ensuring long-term durability of submerged engine components.
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€ 7,88
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1-2 weeks delivery time Osculati 43.260.51 is a magnesium leg anode compatible with Yamaha OEM parts 67C-45251-00 and 63D-45251-10, as well as selected Selva outboards. Engineered specifically for freshwater applications, this bolt-on anode provides highly active galvanic protection to submerged drive legs and anti-cavitation plates. Manufactured from high-purity magnesium alloy, it offers rapid electrochemical response in non-saline environments, significantly extending the life of vital engine components.
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€ 17,39
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1-2 weeks delivery time Osculati 43.267.00 is a zinc anode designed to replace Yamaha and Selva OEM reference 61N-45251-01. Manufactured for use in saltwater conditions, this anode provides targeted galvanic protection for outboard engine components exposed to electrolytic corrosion. Its OEM-matched design allows for quick, bolt-on installation on compatible Yamaha and Selva outboard models.
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€ 11,26
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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 43.253.02 zinc fin anode is designed for Selva 25 to 60 HP 4-stroke outboard engines. With a 95 mm diameter, this OEM-style trim tab anode offers dual function: protecting underwater components from galvanic corrosion and maintaining steering stability. Manufactured from high-purity zinc, it is ideal for saltwater environments and features a standard central mounting hole for quick replacement.
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€ 18,78
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1-2 weeks delivery time The Osculati 43.253.03 aluminium fin anode is a hydrodynamic trim tab-style sacrificial anode designed for Selva 25–60 HP 4-stroke outboard motors. With a diameter of Ø95 mm, this anode provides effective galvanic protection and directional stability in saltwater and brackish conditions. Made from a high-efficiency Al-Zn-In alloy, it offers superior corrosion performance with reduced environmental impact compared to zinc.
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€ 9,72
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1-2 weeks delivery time The Osculati 43.253.04 magnesium fin anode is designed for Selva 25–60 HP 4-stroke outboards operating in freshwater environments. With a Ø95 mm diameter and hydrodynamic trim tab profile, this anode provides dual functionality: precise steering balance and superior corrosion protection in low-conductivity water. Made from high-purity magnesium, it reacts faster than zinc or aluminium, ensuring maximum protection in lakes and rivers.
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€ 13,02
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1-2 weeks delivery time The Osculati 43.256.00 zinc fin anode is designed specifically for Selva Manta and Barracuda outboard engines. It serves as both a trim tab for steering correction and a sacrificial anode for corrosion protection in saltwater. Manufactured from high-purity zinc, this OEM-style component protects submerged metal surfaces while maintaining proper engine alignment during navigation.
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€ 23,65
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1-2 weeks delivery time The Osculati 43.256.01 aluminium fin anode is a lightweight trim tab-style sacrificial anode designed for Selva Manta and Barracuda outboards. Manufactured from a high-performance Al-Zn-In alloy, this anode ensures effective corrosion protection in saltwater and brackish water while improving directional stability. With a hydrodynamic profile and OEM-compatible central mounting hole, it’s easy to install and eco-friendlier than zinc alternatives.
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€ 9,38
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How does a zinc Selva anode help prevent corrosion in saltwater environments?
Zinc anodes, such as the Selva anode, serve as sacrificial components in marine environments to prevent corrosion of metal parts. When attached to a vessel's metal surfaces, these anodes corrode preferentially, thereby protecting the more critical metal components from oxidative damage. This process is essential for maintaining the integrity of marine engines and other submerged metal structures.
What are the key differences between magnesium and zinc anodes in marine applications?
Magnesium and zinc anodes serve as sacrificial metals in marine applications to prevent corrosion, but their suitability depends on the water environment. Magnesium anodes are highly active and are ideal for freshwater settings due to their high electrochemical potential, providing effective protection in low-conductivity environments. However, in saltwater, magnesium's reactivity can lead to rapid consumption, making it less practical. Conversely, zinc anodes are well-suited for saltwater environments, offering reliable corrosion protection without the rapid degradation seen with magnesium in such conditions. Therefore, selecting the appropriate anode material is crucial for effective corrosion prevention in specific marine environments.
How does an anode with a hole improve its effectiveness in preventing corrosion?
An anode with a hole improves its effectiveness in preventing corrosion by allowing secure installation and optimal electrical contact with the metal surface it protects. The Selva anode ensures consistent sacrificial protection by maintaining a direct connection to the outboard motor, including OMC models. This design helps distribute the protective effect more evenly, reducing localized corrosion and extending the lifespan of critical engine components.
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