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 43.316.10 is a double zinc anode for Evinrude and OMC outboards, replacing OEM reference 434029. Designed for saltwater environments, this anode protects twin contact points or broader surfaces from galvanic corrosion. Ideal for older or dual-location anode mounting systems on small to mid-size engines.
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€ 26,65
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1-2 weeks delivery time Osculati 43.316.20 is a zinc anode designed for the bearing carrier area of Evinrude and OMC outboards, replacing OEM reference 398873. It offers focused galvanic protection for one of the most corrosion-prone parts of the lower unit, making it essential for saltwater operation. Engineered for a precise fit, it helps extend the life of the bearing housing and surrounding components.
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€ 18,73
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1-2 weeks delivery time Osculati 43.316.33 is a U-shaped zinc anode designed for high-power Evinrude and OMC outboard engines ranging from 60 to 300 HP. Replacing OEM references 500789 and 433580, it provides targeted galvanic protection for exposed components in saltwater environments. Its wrap-around design ensures greater surface contact and corrosion shielding across wider engine surfaces.
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€ 25,98
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1-2 weeks delivery time Osculati 43.316.34 is a U-shaped aluminium anode designed for Evinrude and OMC outboards from 60 to 300 HP, replacing OEM references 500789 and 433580. Optimized for brackish and freshwater use, it protects large surface areas from galvanic corrosion while maintaining lightweight efficiency. Its U-profile design ensures wide coverage and compatibility with OEM mounts.
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€ 16,19
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1-2 weeks delivery time Osculati 43.316.35 is a magnesium U-shaped anode designed for Evinrude and OMC 60–300 HP outboards, replacing OEM parts 500789 and 433580. Optimized for use in freshwater environments, this highly reactive anode offers maximum protection for aluminium components such as gear housings and engine brackets. Its wrap-around design ensures wide surface coverage and OEM-accurate fit.
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€ 19,87
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1-2 weeks delivery time Osculati 43.317.00 is a zinc leg anode with an 8 mm mounting hole, designed for Evinrude and OMC 50–200 HP outboards. Replacing OEM references 393023 and 436745, it provides direct corrosion protection for the lower unit (leg) of the engine in saltwater conditions. This compact, high-efficiency anode prevents degradation of critical submerged surfaces.
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€ 13,69
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1-2 weeks delivery time Osculati 43.317.01 is an aluminium leg anode with an 8 mm mounting hole, designed for Evinrude and OMC outboards from 50 to 200 HP. Replacing OEM parts 393023 and 436745, it ensures reliable galvanic protection for the engine’s lower unit in brackish or freshwater. Lightweight and efficient, it’s ideal for transitional environments where zinc is too passive and magnesium too aggressive.
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€ 5,88
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1-2 weeks delivery time Osculati 43.317.02 is a magnesium leg anode with an 8 mm mounting hole, suitable for Evinrude and OMC outboards ranging from 50 to 200 HP. Replacing OEM parts 393023 and 436745, it provides maximum protection against galvanic corrosion in freshwater. Its high reactivity ensures quick electron transfer to protect critical submerged parts like the lower unit housing.
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€ 9,22
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1-2 weeks delivery time Osculati 43.317.10 is a zinc leg anode with a 3/8"x16 threaded mounting hole, suitable for Evinrude and OMC outboards from 50 to 200 HP. Designed for saltwater environments, this anode provides durable corrosion protection for lower unit components. Its universal threaded fit allows secure and simple installation, even in systems without an OEM reference.
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€ 8,32
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1-2 weeks delivery time Osculati 43.317.11 is a universal aluminium leg anode with a 3/8"x16 UNC threaded hole, compatible with Evinrude and OMC outboards from 50 to 200 HP. Designed for use in brackish and freshwater, this lightweight anode provides efficient galvanic protection for lower unit components, offering a longer lifespan and reduced buildup compared to traditional zinc.
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€ 6,11
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1-2 weeks delivery time Osculati 43.317.22 is a magnesium foot cube anode designed to protect Evinrude and OMC outboards using OEM reference 377768. Its compact, cube-shaped form factor is ideal for mounting at the engine foot or lower unit area. Highly reactive and lightweight, magnesium is the optimal material for corrosion protection in freshwater environments, ensuring reliable preservation of submerged aluminium parts.
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€ 18,57
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1-2 weeks delivery time The Osculati 43.317.24 aluminium anode is designed for Evinrude G2 outboard engines from 200 to 300 HP. Made of a marine-grade Al-Zn-In alloy, it offers superior galvanic protection in saltwater and brackish environments. With precise OEM-style dimensions and pre-drilled mounting holes, this anode ensures a direct fit without modifications. Its compact and robust construction helps maintain the longevity of critical engine parts exposed to electrolysis and corrosion.
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€ 12,67
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1-2 weeks delivery time The Osculati 43.317.27 aluminium ogive anode is designed specifically for Evinrude G2 200–300 HP outboards. Featuring a streamlined bullet-shaped profile, this anode minimizes hydrodynamic drag while delivering high-efficiency cathodic protection in saltwater and brackish environments. Manufactured from a premium Al-Zn-In alloy and built to OEM specifications, it offers a perfect fit and long-lasting protection for key lower unit components.
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€ 13,96
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1-2 weeks delivery time The Osculati 43.317.30 aluminium plate anode is specifically crafted for Evinrude G2 outboards rated between 200 and 300 HP. Built from a high-performance aluminium alloy (Al-Zn-In), it provides robust corrosion protection in saltwater and brackish water conditions. Designed to match original equipment dimensions, this flat plate-style anode is easily mounted on the transom or gearcase surfaces, ensuring uniform sacrificial wear for extended engine life.
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€ 6,79
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1-2 weeks delivery time The Osculati 43.317.41 aluminium anode kit is a complete OEM-compatible set tailored for Evinrude G2 200–300 HP ETEC-GE outboards. It includes four precision-cast aluminium anodes (items 43.316.34, 43.317.24, 43.317.27, and 43.317.30), each designed for targeted corrosion protection of the engine’s lower unit, gearcase, and transom areas. Made from Al-Zn-In alloy, this kit provides optimal sacrificial performance in saltwater and brackish environments, while ensuring a streamlined fit and simple installation.
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€ 45,76
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1-2 weeks delivery time The Osculati 43.541.30 zinc anode is designed as a direct OEM replacement for the OMC King Cobra sterndrive, referencing part number 3854130. Manufactured from high-purity zinc alloy, this anode provides robust sacrificial protection in saltwater conditions. It ensures corrosion resistance for the outdrive unit by absorbing electrochemical reactions, significantly extending the life of submerged metallic components. Engineered for an exact fit with original OMC mounts.
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€ 29,27
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1-2 weeks delivery time The Osculati 43.541.31 aluminium anode is a lightweight, high-efficiency sacrificial anode engineered for OMC King Cobra sterndrives, matching OEM reference 3854130. Made from a corrosion-resistant Al-Zn-In alloy, it offers enhanced performance in saltwater and brackish environments while reducing environmental impact compared to traditional zinc. Precision-cast for direct OEM fit, this anode delivers reliable galvanic protection to the sterndrive’s submerged components.
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€ 18,55
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1-2 weeks delivery time The Osculati 43.541.32 magnesium anode is an OEM-compatible sacrificial anode designed for OMC King Cobra sterndrive units, corresponding to part number 3854130. Made from high-purity magnesium, this anode is ideal for use in freshwater environments, where its highly active electrochemical properties ensure maximum protection against galvanic corrosion. Engineered for a precise OEM fit, it is pre-drilled and shaped to match the original part for easy installation.
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€ 39,25
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1-2 weeks delivery time The Osculati 43.610.00 is a universal-fit zinc anode designed for Evinrude and Chrysler outboard motors. Measuring 123 × 36 × 10 mm, this compact rectangular anode delivers reliable protection for lower units and submerged outboard surfaces. Manufactured from high-purity zinc, it is optimized for saltwater environments, absorbing galvanic current to preserve engine components from corrosion. Pre-drilled for fast, OEM-style installation.
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€ 9,68
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1-2 weeks delivery time The Osculati 43.903.20 zinc leg plate anode is designed to fit Suzuki, Evinrude, and OMC outboards, replacing OEM part numbers 55320-95311, 5030265, and 5035786. This rectangular zinc anode provides targeted corrosion protection to the lower leg section of the engine, particularly in saltwater environments. Cast from high-purity zinc, it delivers effective galvanic shielding and installs easily using the original mounting points.
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€ 11,21
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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.