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 43.529.11 is a magnesium collar anode specifically designed for Volvo Penta Sail Drive 120 systems, directly replacing OEM reference 876286. With a 95 mm outer diameter and 27 mm height, it fits tightly around the shaft housing, providing reliable cathodic protection in freshwater environments. Magnesium's high electrochemical activity ensures effective corrosion defense for submerged aluminium and steel components.
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$ 46.99
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1-2 weeks delivery time The Osculati 43.530.00 is a zinc collar anode engineered for the Volvo Penta Saildrive 110, a direct replacement for OEM part 875812. With external dimensions of Ø106 mm and height 43 mm, it provides optimal coverage and electrochemical protection for saildrives operating in seawater. Designed for quick installation, it effectively prevents galvanic corrosion by sacrificing itself to protect vital underwater drive components.
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$ 61.21
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1-2 weeks delivery time The Osculati 43.530.10 aluminium collar anode is designed as a direct-fit replacement for Volvo Penta Saildrive 110 systems, matching OEM reference 875812. With dimensions Ø106 × 43 mm, this anode provides full peripheral coverage for the drive shaft. Made from aluminum alloy to international standards, it delivers excellent corrosion protection in both brackish and saltwater environments, offering longer service life than traditional zinc in many marine conditions.
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$ 42.83
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1-2 weeks delivery time The Osculati 43.530.11 magnesium collar anode is a direct replacement for the Volvo Penta 875812, precisely designed for Saildrive 110 systems. With an outer diameter of 106 mm and a height of 43 mm, it offers full contact and effective corrosion protection for vessels operating in freshwater. Magnesium’s high electrochemical potential ensures superior anodic performance, making this anode ideal for protecting aluminum drive components from galvanic degradation in low-conductivity environments.
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$ 66.83
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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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$ 78.77
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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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$ 64.78
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1-2 weeks delivery time The Osculati 43.554.01 zinc leg anode is a direct replacement for Volvo Penta 3888814 and 3883728, designed for SX and DPS sterndrive units. Made from high-purity zinc, it provides robust cathodic protection in saltwater applications. This anode mounts on the sterndrive leg to shield critical metal parts from galvanic corrosion. Weight: approx. 1.2 kg. Installs easily using original hardware without modification.
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$ 69.81
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1-2 weeks delivery time The Osculati 43.554.20 aluminium anode is a direct-fit replacement for Volvo Penta 3888814 and 3883728, made for SX and DPS sterndrive legs. Constructed from high-grade aluminium, it delivers reliable corrosion protection in saltwater and brackish environments. This lightweight anode installs easily using existing OEM mounting hardware and ensures long-lasting performance.
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$ 47.60
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1-2 weeks delivery time The Osculati 43.554.21 magnesium anode is a direct replacement for Volvo Penta 3888814 and 3883728, specifically designed for SX and DPS sterndrive leg protection in freshwater environments. Cast from high-purity magnesium for maximum electrochemical activity, it offers superior corrosion resistance for submerged components. Lightweight, easy to install, and fully compatible with OEM fittings.
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$ 50.51
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1-2 weeks delivery time The Osculati 43.554.02 zinc leg anode replaces Volvo Penta 3888817 and 3841427, and is designed for SX and DPS sterndrive lower units. Manufactured from high-grade zinc for use in saltwater, it ensures protection against galvanic corrosion for submerged leg components. Easy to install with OEM hardware and engineered for a precise fit. Weight: approx. 1.2 kg.
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$ 68.41
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1-2 weeks delivery time The Osculati 43.554.22 aluminium anode is a direct-fit replacement for Volvo Penta 3888817 and 3841427, designed for SX and DPS sterndrive legs. It is made of high-grade aluminium for reliable protection in saltwater and brackish environments. Lightweight and corrosion-resistant, it ensures long service life and installs easily using OEM hardware.
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$ 49.49
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1-2 weeks delivery time The Osculati 43.554.23 magnesium anode is a direct replacement for Volvo Penta 3888817 and 3841427, specifically developed for SX and DPS sterndrive legs operating in freshwater. Made from high-activity magnesium, this anode ensures superior cathodic protection of submerged components and mounts directly using OEM hardware.
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$ 62.46
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1-2 weeks delivery time The Osculati 43.556.01 aluminium foot anode is a direct replacement for Volvo Penta DPI sterndrive models using OEM references 23520859 and 23520860. Designed to protect the lower unit (foot) from galvanic corrosion in saltwater environments, this anode is cast from high-quality aluminium alloy and shaped to OEM specifications. Lightweight, durable, and environmentally compliant, it offers reliable protection without compromising hydrodynamics.
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$ 77.19
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1-2 weeks delivery time The Osculati 43.558.01 magnesium anode is designed for Volvo Penta DPI leg units. Equivalent to original references 23520859 and 23520860, it provides effective cathodic protection for drive legs in freshwater environments, preventing electrochemical corrosion and extending component life.
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$ 107.87
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1-2 weeks delivery time The Osculati 43.509.00 – Volvo Penta IPS Anode Kit (40005875 + 3593881) is a complete sacrificial anode set designed for Volvo Penta IPS propulsion systems. This kit includes both the A and B anodes to provide full protection against galvanic corrosion. Manufactured from high-grade zinc alloy, it ensures reliable performance in saltwater environments. A direct-fit replacement compatible with OEM parts 40005875 and 3593881, this kit offers easy installation and long service life.
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$ 209.36
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1-2 weeks delivery time The Osculati 43.511.01 – Volvo Penta 40005875 IPS Aluminium Bar A Anode is a high-performance sacrificial anode engineered for Volvo Penta IPS drives. Manufactured from marine-grade aluminum alloy, it serves as a direct replacement for the OEM part 40005875. Designed for efficient protection against galvanic corrosion in brackish and saltwater environments, this bar-style anode is ideal for vessels requiring lightweight and long-lasting anti-corrosion solutions.
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$ 116.59
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1-2 weeks delivery time The Osculati 43.512.00 – Volvo Penta 3593881 IPS Zinc Anode B is a high-efficiency sacrificial anode tailored for Volvo Penta IPS systems. This B-type zinc anode directly replaces the original OEM part 3593881 and ensures optimal corrosion protection for lower IPS unit components exposed to saltwater. Precision-cast with pre-drilled mounting holes, the anode is easy to install and provides a dependable barrier against galvanic degradation in marine environments.
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$ 108.49
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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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$ 30.46
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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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$ 88.68
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1-2 weeks delivery time The Osculati 43.340.01 aluminium anode kit is designed for Volvo Penta 280 sterndrives and includes OEM-equivalent anodes 875815 and 832598. Made from Al-Zn-In alloy, this 2-piece kit offers reliable galvanic protection for the drive housing and prop shaft in salt and brackish waters, with reduced weight and environmental impact compared to zinc.
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$ 61.24
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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.