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 43.371.00 zinc anode kit is designed for Suzuki 90 to 140 HP outboard motors, offering full galvanic protection with OEM-equivalent parts. It includes six components: one lower unit plate anode (55321-90J01), four leg/bracket anodes (55321-87J00), and one trim tab anode (55320-94900). Manufactured from high-purity zinc, this kit is ideal for saltwater use and installs easily into original mounting locations.
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€ 46,80
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1-2 weeks delivery time The Osculati 43.371.01 aluminium anode kit is a lightweight, eco-conscious OEM-style protection set for Suzuki 90–140 HP outboard engines. It includes six components cast from a high-performance Al-Zn-In alloy: one lower unit plate anode (55321-90J01), four side anodes (55321-87J00), and one trim tab (55320-94900). Ideal for salt and brackish waters, the kit provides complete corrosion protection with excellent durability and reduced environmental impact.
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€ 28,05
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1-2 weeks delivery time The Osculati 43.371.02 magnesium anode kit offers complete OEM-style corrosion protection for Suzuki 90–140 HP outboard motors operating in freshwater environments. It includes six components: one lower unit plate anode (55321-90J01), four bracket anodes (55321-87J00), and one trim tab anode (55320-94900). Magnesium ensures maximum reactivity in low-conductivity waters such as lakes and rivers.
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€ 66,92
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1-2 weeks delivery time The Osculati 43.372.00 zinc anode kit is designed for corrosion protection of Suzuki 200–250 HP outboard motors. This two-part OEM-style kit includes one trim tab anode (55320-94900) and two lower unit plate anodes (55320-95311). Cast from high-purity zinc, this setup ensures reliable performance in saltwater environments by preventing galvanic corrosion on submerged engine parts.
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€ 37,26
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1-2 weeks delivery time The Osculati 43.372.01 aluminium anode kit is a complete corrosion protection set for Suzuki 200–250 HP outboard motors. It includes one trim tab anode (55320-94900) and two lower unit plate anodes (55320-95311), all made from a high-performance Al-Zn-In aluminium alloy. Optimized for use in salt and brackish waters, this lightweight and eco-conscious kit replaces factory anodes with OEM-style fit and superior longevity.
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€ 32,38
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1-2 weeks delivery time The Osculati 43.372.02 magnesium anode kit is designed for freshwater corrosion protection of Suzuki 200–250 HP outboards. It includes two lower unit plate anodes (55320-95311) and one trim tab anode (55320-94900), all cast from high-reactivity magnesium alloy. Perfect for low-conductivity waters like lakes and rivers, this OEM-style kit offers superior protection with a lightweight, eco-friendly profile.
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€ 56,95
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1-2 weeks delivery time The Osculati 43.903.35 plate anode is an OEM-style component for Suzuki 6 to 15 HP 4-stroke outboard motors. Measuring 48 × 18 mm and equipped with an integrated M6 threaded insert, it directly replaces part number 41811-98500. Made from high-purity zinc, this anode is optimized for saltwater protection of small engine gearcases and submerged metal parts.
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€ 15,22
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1-2 weeks delivery time The Osculati 43.640.01 zinc fin anode is an OEM-style replacement for Tohatsu 338-60217-0, designed for 35–40 HP outboards. With a 50 mm diameter and integrated center hole, this trim tab anode offers both galvanic corrosion protection and propeller torque stabilization in saltwater environments.
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€ 7,32
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1-2 weeks delivery time The Osculati 43.640.02 mega fin anode is a zinc OEM-style replacement for Tohatsu 3C8-60217-1, designed for 25–30 HP and 40–50 HP outboard motors. With a wide Ø59.5 mm diameter, it offers enhanced corrosion protection and trim tab function, ideal for saltwater operation on mid-range Tohatsu engines.
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€ 8,04
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1-2 weeks delivery time The Osculati 43.640.03 zinc fin anode is an OEM-type replacement for Tohatsu 3B7-60217-0, designed for high-output 60, 70, and 140 HP outboards. With its large Ø77 mm diameter and integrated center bolt mount, it ensures both corrosion protection and trim tab stabilization for steering performance in saltwater applications.
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€ 19,85
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1-2 weeks delivery time The Osculati 43.640.05 is a compact zinc anode that replaces Tohatsu 3B7-60218-1. Specifically designed for 9.9, 15, and 18 HP outboards, this 27×13×20 mm block-style anode provides localized corrosion protection for critical aluminum engine parts submerged in saltwater environments.
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€ 12,80
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1-2 weeks delivery time The Osculati 43.640.10 is a zinc fin-style trim tab anode designed as a direct OEM replacement for Tohatsu 3V1602170. Compatible with 8–20 HP 4-stroke outboards, it provides effective galvanic protection and torque balancing, with a robust center-mount design suitable for saltwater use.
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€ 8,17
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1-2 weeks delivery time The Osculati 43.640.11 aluminium fin anode is a lightweight OEM-style replacement for Tohatsu 3V1602170, designed for 8–20 HP 4-stroke outboards. Made from a high-performance Al-Zn-In alloy, it provides efficient corrosion protection and trim tab functionality in salt and brackish water, with a standard center-mount design for quick installation.
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€ 8,06
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1-2 weeks delivery time The Osculati 43.640.20 zinc anode is a direct replacement for Tohatsu 3H660218000, compatible with 4–6 HP 2-stroke and 4-stroke outboards. It ensures effective galvanic protection for small engine components exposed to saltwater, using an OEM-style fit for simple installation and reliable long-term corrosion control.
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€ 13,34
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1-2 weeks delivery time The Osculati 43.640.21 aluminium anode is an OEM-equivalent replacement for Tohatsu 3H660218000, suitable for 4 HP and 6 HP 2-stroke and 4-stroke outboards. Made from Al-Zn-In alloy, it offers excellent corrosion protection in salt and brackish water, with a lightweight profile and OEM-style bolt-on installation.
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€ 9,57
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1-2 weeks delivery time The Osculati 43.226.46 ring anode is designed for Volvo Penta sail drives equipped with Max-Prop feathering propellers. With an inner diameter of 46 mm, outer diameter of 92 mm, and height of 25 mm, this zinc ring provides critical galvanic protection for the propeller hub and drive shaft in saltwater conditions.
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€ 27,02
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1-2 weeks delivery time The Osculati 43.226.48 zinc shaft anode is a direct replacement for Volvo Penta 3807400, designed for use on DPH and DPR sterndrive units. Made from high-purity zinc, it offers essential galvanic protection for the output shaft and drive components operating in saltwater environments.
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€ 13,27
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1-2 weeks delivery time The Osculati 43.232.01 zinc drain anode is a direct OEM-equivalent replacement for Volvo Penta 21868041 and 21700154. Specifically engineered for DPH and DPR sterndrives, it offers vital galvanic protection at the drain plug point, with compact 61 mm height and 38 mm diameter dimensions suited for saltwater corrosion defense.
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€ 41,99
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1-2 weeks delivery time The Osculati 43.233.01 aluminium drain anode is an OEM-type replacement for Volvo Penta 21868041 and 21700154, specifically designed for DPH and DPR sterndrives. With dimensions 61 mm high, 59 mm body height, and 38 mm diameter, it provides environmentally friendly galvanic protection at the drive’s drain point in salt and brackish water.
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€ 44,67
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1-2 weeks delivery time The Osculati 43.340.00 zinc anode kit includes two OEM-equivalent anodes—875815 and 832598—specifically designed for Volvo Penta 280 sterndrive units. This kit provides full-spectrum galvanic protection of the cavitation plate and lower gear housing components in saltwater applications.
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€ 52,34
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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.