Zinc anodes for boats, also known as marine zinc anodes or boat anodes, are sacrificial metal components used to protect the hull and underwater metal parts of boats and yachts from corrosion caused by galvanic currents in seawater.
|
1-2 weeks delivery time The Osculati 43.251.54 is a combined Eliche Radice-style propeller nut and aluminium sacrificial anode, designed for 40 mm shaft diameters with a 24×2 mm thread. It integrates a brass internal hex socket for reliable torque application, and an aluminium body for long-lasting galvanic protection in saltwater environments. Ideal for securing propellers while protecting critical metal parts from electrochemical corrosion.
|
€ 101,52
-
+
| ||
|
1-2 weeks delivery time The Osculati 43.251.55 is a combined Eliche Radice-style aluminium anode and propeller nut designed for 45 mm shafts with a 33×2 mm thread. It features a robust aluminium sacrificial body and a corrosion-resistant internal hexagon in brass, providing secure mechanical fastening and efficient electrochemical protection in saltwater and brackish environments.
|
€ 130,52
-
+
| ||
|
1-2 weeks delivery time The Osculati 43.251.56 is a dual-function Eliche Radice propeller nut with an integrated aluminium sacrificial anode. Designed for 50 mm shafts and threaded at 36×3 mm, it features a corrosion-resistant brass internal hex socket for secure torqueing. The anodic body provides long-term galvanic protection in salt and brackish waters, making it ideal for professional and recreational vessels.
|
€ 182,71
-
+
| ||
|
1-2 weeks delivery time The Osculati 43.251.01 is a zinc anode and propeller nut assembly compatible with Eliche Radice-style propeller systems. Designed for shafts of 20, 22, or 25 mm with a 16×1.5 mm thread, it includes a brass internal hex socket for secure torque application and a high-purity zinc body to ensure galvanic protection in saltwater. Ideal for preventing corrosion on propellers and shafts.
|
€ 39,58
-
+
| ||
|
1-2 weeks delivery time The Osculati 43.251.02 is a combined zinc sacrificial anode and propeller nut compatible with Eliche Radice systems for shafts with 30 mm diameter and 20×1.5 mm thread. Featuring a brass internal hex socket and high-purity zinc body, this unit ensures long-term protection of propeller assemblies from galvanic corrosion in saltwater environments.
|
€ 53,73
-
+
| ||
|
1-2 weeks delivery time The Osculati 43.251.03 is a zinc anode and propeller nut combination engineered for Eliche Radice propeller shafts with a 35 mm diameter and 24×2 mm thread. It features a durable brass internal hex socket for safe torque application and a high-purity zinc anode body that ensures long-term corrosion protection in saltwater conditions.
|
€ 40,41
-
+
| ||
|
1-2 weeks delivery time The Osculati 43.251.04 is a combined zinc sacrificial anode and propeller nut, designed for 40 mm shaft diameters with a 24×2 mm thread. It features a corrosion-resistant brass internal hex socket for secure fastening, and a high-purity zinc body for optimal galvanic protection in saltwater conditions. Suitable for Eliche Radice propeller systems.
|
€ 50,14
-
+
| ||
|
1-2 weeks delivery time The Osculati 43.251.05 combines a robust zinc sacrificial anode with a precision-machined propeller nut for 45 mm shaft diameters and a 33×2 mm thread. Built with a brass internal hex socket, this unit ensures secure installation and long-lasting galvanic protection for marine propulsion systems in saltwater environments.
|
€ 72,72
-
+
| ||
|
1-2 weeks delivery time The Osculati 43.251.06 is a zinc sacrificial anode integrated with a propeller nut, designed for shafts with 50 mm diameter and 36×3 mm thread. With a durable brass internal hex socket and a high-purity zinc outer body, it ensures both secure propeller locking and robust galvanic protection in marine saltwater environments.
|
€ 113,64
-
+
| ||
|
1-2 weeks delivery time The Osculati 43.251.07 is a heavy-duty zinc anode integrated with a propeller nut, designed for 60 mm shafts with a 45×3 mm thread. Equipped with a durable brass internal hex socket, this component ensures reliable mechanical fixation and full galvanic protection for large marine propulsion systems operating in saltwater.
|
€ 327,43
-
+
| ||
|
1-2 weeks delivery time The Osculati 43.265.51 is a standalone aluminium shaft axis anode for Eliche Radice-style propeller installations, compatible with 20, 22, and 25 mm shafts threaded at 16×1.5 mm. It features a brass internal hexagon for secure mounting and is designed to provide long-lasting galvanic protection without replacing the original nut.
|
€ 4,65
-
+
| ||
|
1-2 weeks delivery time The Osculati 43.265.52 is a standalone aluminium shaft axis anode for 30 mm propeller shafts with a 20×1.5 mm thread, designed for use in Eliche Radice systems. It includes a corrosion-resistant brass internal hex socket for secure installation and provides long-lasting galvanic protection in saltwater environments when paired with a separate locking nut.
|
€ 7,60
-
+
| ||
|
1-2 weeks delivery time The Osculati 43.265.53 is a shaft-mounted aluminium anode for 35 mm diameter propeller shafts using a 24×2 mm thread. Designed for Eliche Radice systems, it includes a durable brass internal hex for secure installation and offers long-lasting galvanic protection in saltwater conditions when used alongside a separate propeller nut.
|
€ 11,18
-
+
| ||
|
1-2 weeks delivery time The Osculati 43.265.54 is a standalone aluminium shaft axis anode for 40 mm propeller shafts with a 24×2 mm thread. Designed for Eliche Radice propulsion systems, it includes a brass internal hex socket for secure installation and provides efficient galvanic protection in salt and brackish water environments. It is intended to be used alongside a separate locking nut.
|
€ 14,61
-
+
| ||
|
1-2 weeks delivery time The Osculati 43.265.55 is a dedicated aluminium shaft axis anode for Eliche Radice propeller systems with 45 mm shaft diameter and 33×2 mm thread. Designed to provide sacrificial protection against galvanic corrosion, it features a brass internal hex socket for easy and secure installation, and is used alongside a separate locking nut.
|
€ 19,11
-
+
| ||
|
1-2 weeks delivery time The Osculati 43.265.56 is a standalone aluminium shaft axis anode designed for 50 mm diameter shafts with a 36×3 mm thread, compatible with Eliche Radice propeller systems. Featuring a corrosion-resistant brass internal hex socket, it provides robust galvanic protection in saltwater and is intended to be used alongside a separate locking nut.
|
€ 24,01
-
+
| ||
|
1-2 weeks delivery time The Osculati 43.265.66 is an aluminium shaft axis anode designed for 55 mm diameter propeller shafts with a 40×3 mm thread. Built for use with Eliche Radice systems, this component features a brass internal hex socket for secure installation and provides long-lasting galvanic protection in saltwater environments when used with a separate locking nut.
|
€ 26,15
-
+
| ||
|
1-2 weeks delivery time The Osculati 43.265.08 is a high-performance aluminium shaft axis anode designed for 60 mm diameter shafts with a 45×3 mm thread. Intended for Eliche Radice propulsion systems, this standalone anode includes a corrosion-resistant brass internal hex socket and delivers effective galvanic protection in saltwater environments when paired with a separate propeller nut.
|
€ 39,69
-
+
| ||
|
1-2 weeks delivery time The Osculati 43.265.01 is a zinc shaft axis anode for Eliche Radice systems, compatible with 20, 22, and 25 mm shaft diameters threaded 16×1.5 mm. Built with a corrosion-resistant brass internal hex socket, this anode is designed to provide sacrificial galvanic protection in saltwater applications, and is used in combination with a separate propeller nut.
|
€ 11,21
-
+
| ||
|
1-2 weeks delivery time The Osculati 43.265.02 is a zinc shaft-mounted axis anode designed for 30 mm diameter propeller shafts with 20×1.5 mm thread. Built for Eliche Radice systems, it includes a brass internal hex socket for corrosion-resistant installation and delivers effective sacrificial protection in saltwater environments. Designed for use alongside a separate locking nut.
|
€ 13,82
-
+
| ||
How do zinc anodes protect marine engines and outboard motors from corrosion?
Zinc anodes, also known as sacrificial anodes, protect marine engines and outboard motors by corroding in place of more important metal parts, such as the hull or outboard components. By attaching hull zinc anodes or trim tab anodes, the less noble zinc metal is sacrificed when placed in an electrolyte solution like saltwater, preventing corrosion of the engine and other vital boat components. Other anodes, like aluminum and magnesium, are also used based on the water type, but zinc remains the popular choice for saltwater environments due to its effective corrosion prevention.
The right choice of marine anodes, whether zinc, aluminum, or magnesium, can greatly extend the lifespan of your boat and its components. Products like the boat lift zinc anode and trim tab anode help protect specific areas from galvanic corrosion. Using high-quality anodes at unbeatable prices is a smart investment for boaters who want to store their boat safely and protect outboard engines and other critical parts. Even components like 316 stainless steel cables benefit from reduced exposure to corrosive damage when effective sacrificial anodes are in place.
How do aluminum, zinc, and magnesium anodes differ in protecting a boat?
Aluminum, zinc, and magnesium anodes all serve as sacrificial metals to protect boats from corrosion, but they perform differently based on the environment. Zinc anodes are commonly used in saltwater, whereas aluminum anodes offer versatility for both salt and brackish water, providing more efficient protection due to their lighter alloy composition. Magnesium anodes are best suited for freshwater applications as they are a more reactive, "less noble" metal, ideal for preventing corrosion in low salinity environments, such as lakes and rivers.
Why is anode placement on the hull plate important for effective corrosion protection?
Proper placement of boat zinc anodes on the hull plate is crucial for effective corrosion protection, as it ensures the sacrificial zinc can adequately neutralize galvanic currents and protect vulnerable metal areas. Anodes like martyr anodes, rudder zincs, and plate zinc are strategically placed to cover high-risk spots on a metal boat, preventing corrosion from spreading. Using a zinc anode kit helps streamline the placement process, ensuring a comprehensive approach to corrosion protection for your boat and its underwater components.
For a complete corrosion prevention solution, explore our Anodes for Aluminium Boats, designed for maximum durability and efficiency.
Are there any specific maintenance practices for prolonging the lifespan of marine fuel pumps?
Regularly changing the boat motor fuel filter is essential to prevent contaminants from reaching the fuel pump, ensuring its longevity and optimal performance. Additionally, keeping the entire fuel system clean and free from debris is crucial in maintaining the efficiency of the marine fuel pump, which plays a vital role in supplying clean fuel to the engine.
For enhanced protection against corrosion in saltwater environments, consider installing Boat Anodes For Saltwater.