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 43.553.10 aluminium leg anode is a direct-fit replacement for Volvo Penta 872793, engineered for the DPX sterndrive series. Made from marine-grade aluminium, it provides efficient cathodic protection in saltwater and brackish environments. Designed to mount on the sterndrive leg section, this anode weighs approximately 640 g and ensures long-term corrosion resistance with reduced weight and superior electrochemical efficiency.
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$ 12.28
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1-2 weeks delivery time The Osculati 43.553.11 magnesium leg anode is a lightweight, high-activity replacement for Volvo Penta 872793, specifically designed for DPX sterndrive legs. Built from premium magnesium alloy, it provides superior cathodic protection in freshwater environments, where zinc or aluminium anodes are less effective. It weighs approximately 500 g and installs easily using existing hardware with no modifications.
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$ 13.32
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1-2 weeks delivery time The Osculati 43.554.15 zinc anode is a high-quality replacement for Volvo Penta Duo Prop parts 3588745, 3588768, and 3588770. Specifically designed for use in saltwater environments, this anode protects critical submerged components from galvanic corrosion. Cast from high-purity zinc, it ensures excellent fit and performance on Duo Prop sterndrives.
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$ 41.48
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1-2 weeks delivery time The Osculati 43.554.28 aluminium anode replaces Volvo Penta 3588745, 3588768, and 3588770, and is specifically designed for use on DPR and DPH Duo Prop sterndrive models. Made from marine-grade aluminium, this anode provides effective galvanic protection in saltwater and brackish conditions. It is lightweight, long-lasting, and installs easily using OEM mounting points.
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$ 65.15
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1-2 weeks delivery time The Osculati 43.554.19 magnesium anode replaces Volvo Penta 3588745, 3588768, and 3588770 for use on DPR and DPH Duo Prop sterndrives in freshwater applications. Made from high-purity magnesium, it offers maximum electrochemical activity and reliable cathodic protection for submerged components. Lightweight and easy to install using OEM hardware.
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$ 46.97
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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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$ 73.51
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1-2 weeks delivery time The Osculati 43.532.00 zinc anode is a two-piece collar designed for Volvo Penta saildrive systems, directly replacing OEM parts 3888305 and 3888306. With an outer diameter of 107 mm, this split-ring anode is engineered to surround the shaft housing and provide uniform sacrificial protection in saltwater environments. Made from high-purity zinc, it is ideal for preserving aluminum and steel components from galvanic corrosion under harsh marine conditions.
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$ 117.29
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1-2 weeks delivery time The Osculati 43.532.10 is a two-piece aluminium collar anode designed for Volvo Penta saildrive systems, replacing OEM references 3888305 and 3888306. With an external diameter of Ø107 mm, this anode delivers long-lasting galvanic protection in both saltwater and brackish conditions. Its lightweight, split design ensures easy installation around the saildrive shaft without disassembly, while the aluminium alloy provides excellent durability and lower environmental impact compared to zinc.
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$ 86.64
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1-2 weeks delivery time The Osculati 43.532.11 magnesium two-piece collar anode is a precision replacement for Volvo Penta saildrive models, corresponding to OEM references 3888305 and 3888306. With an outer diameter of Ø107 mm, this anode is optimized for use in freshwater environments. Magnesium’s high electrochemical activity makes it the most effective sacrificial material for low-conductivity waters, ensuring robust protection of aluminum and steel saildrive components.
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$ 118.85
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1-2 weeks delivery time The Osculati 43.525.00 – Volvo Penta 875805 Ø114×58 mm Collar Anode is a foot-type sacrificial anode designed for Volvo Penta sterndrives with Type 270 lower units. With a diameter of 114 mm and height of 58 mm, it fits securely around the propeller shaft to protect submerged metallic components from galvanic corrosion. Made from high-grade zinc, this anode replaces OEM part 875805 and ensures long-term reliability in saltwater environments.
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$ 25.99
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1-2 weeks delivery time The Osculati 43.513.00 – Volvo Penta 833913-7 Zinc Ogive Anode is a precision-engineered sacrificial anode designed to protect propeller shafts with diameters of 22, 25, or 30 mm on Volvo Penta propulsion systems. Shaped as an ogive (bullet-nose) for optimal hydrodynamic efficiency, this zinc anode counters galvanic corrosion in saltwater environments. It features a robust clamping design with pre-installed hardware for quick and secure installation.
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$ 54.77
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1-2 weeks delivery time The Osculati 43.514.00 – Volvo Penta 873413 Zinc Ogive Anode is a bullet-shaped sacrificial anode specifically designed to protect propeller shafts with diameters of 35 mm and 40 mm. Made of high-purity zinc alloy, this anode is ideal for saltwater use and prevents galvanic corrosion on rotating shaft components. Compatible with Volvo Penta systems, it replaces OEM part 873413 and comes with integrated mounting hardware for a secure fit.
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$ 54.77
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1-2 weeks delivery time The Osculati 43.551.00 zinc anode, equivalent to original Volvo Penta 852835-8, is designed for installation on the foot of Duo Prop drives to provide effective cathodic protection against galvanic corrosion. Manufactured from high-purity zinc for optimal performance in saltwater environments, this base anode features a 95 mm diameter and weighs 470 g. It fits directly in place of the OEM part with no modification required and ensures extended protection of submerged metal components throughout the boating season.
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$ 44.29
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1-2 weeks delivery time The Osculati 43.551.10 aluminium anode, a direct replacement for Volvo Penta 852835-8, is engineered for installation at the foot of Duo Prop drives to protect submerged components from galvanic corrosion. Made from high-quality aluminium for optimal use in brackish and saltwater conditions, this base anode has a diameter of 95 mm and weighs approximately 230 g. It is compatible with Volvo Penta sterndrives and installs easily without modification, ensuring long-lasting protection with minimal voltage loss.
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$ 29.22
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1-2 weeks delivery time The Osculati 43.551.11 magnesium anode, compatible with Volvo Penta 852835-8, is designed for Duo Prop foot installations to deliver maximum cathodic protection in freshwater environments. With a 95 mm diameter and approximately 190 g weight, this base anode ensures optimal sacrificial performance with a strong electrochemical potential. It installs easily without modification and is ideal for freshwater applications where zinc or aluminium anodes are not effective.
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$ 36.73
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1-2 weeks delivery time The Osculati 43.528.00 – Volvo Penta 875815 AQ200/290 Zinc Collar Leg Anode is a sacrificial zinc anode designed for Volvo Penta AQ series sterndrives, specifically the AQ200 and AQ290 models. Cast in marine-grade zinc, this collar-style leg anode protects underwater aluminum and steel components from galvanic corrosion. It replaces OEM reference 875815 and installs easily with integrated hardware for maximum reliability in saltwater environments.
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$ 47.04
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1-2 weeks delivery time The Osculati 43.528.10 – Volvo Penta 875815 AQ200/290 Aluminium Collar Leg Anode is a lightweight, high-performance alternative to zinc, engineered to protect AQ200 and AQ290 sterndrives from galvanic corrosion. This collar-type leg anode, cast in a marine-grade aluminium alloy, ensures efficient electrochemical protection in saltwater and brackish conditions while reducing environmental impact. It replaces OEM part 875815 and features easy clamp-on installation.
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$ 32.19
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1-2 weeks delivery time Magnesium collar anode Osculati 43.528.11 is designed specifically for Volvo Penta AQ200/290 stern drives, replacing original part 875815. Made of high-purity magnesium alloy for optimal cathodic protection in freshwater environments, this anode ensures long-lasting performance against galvanic corrosion. With a precise collar shape, it mounts directly on the drive leg without modification. Outer diameter: approx. 95 mm; inner bore: 50 mm; height: 38 mm. Ideal for boaters operating in lakes or inland waters.
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$ 41.69
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1-2 weeks delivery time Zinc collar anode Osculati 43.529.00 is a direct-fit replacement for Volvo Penta Sail Drive 120 systems, corresponding to OEM part 876286. Designed to protect the saildrive's exposed metal parts in saltwater environments, this collar-shaped anode fits perfectly around the shaft housing. With an outer diameter of 95 mm and a height of 27 mm, it offers reliable, low-maintenance cathodic protection and easy installation without modifications.
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$ 43.47
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1-2 weeks delivery time The aluminium collar anode Osculati 43.529.10 is engineered for Volvo Penta Sail Drive 120 systems, matching OEM reference 876286. Designed to encircle the drive shaft housing, this anode offers effective corrosion protection in brackish and saltwater environments. Made of high-efficiency aluminium alloy, it features a 95 mm outer diameter and 27 mm height for a precise fit and long-lasting performance. Ideal for mixed water conditions where zinc may be less effective.
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$ 28.64
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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.