Tecnoseal is a leading manufacturer of marine anodes, offering a wide range of products designed to protect boats and marine equipment from corrosion through cathodic protection. Tecnoseal produces zinc, aluminum, and magnesium anodes, making them suitable for various types of water environments, including salt, brackish, and fresh water. Sacrificial anodes are used on boat hulls, propellers, shafts, and engines to prevent corrosion, extending the life of vital components. Tecnoseal's products are widely recognized in the leisure and commercial marine markets for their high quality and reliability.
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1-2 weeks delivery time Tecnoseal zinc USA Type shaft sacrificial anodes for marine shaft installations, available for shaft sizes from 19 mm / 3/4" up to 6-1/2" / 165 mm. The range includes metric and imperial shaft configurations with 2 fastening holes on models up to 00514USA and 4 fastening holes on larger models from 00516USA onward. Depending on model, anode height ranges from 51 to 102 mm, overall diameter from Ø54 to Ø209 mm and weight from 0.36 to 6.35 kg. USA reference designations include X-1 to X-22 and D-series references for selected metric sizes. Bolts and nuts are available on request. Select the required version according to shaft size, Ø1 opening, overall dimensions, fastening-hole configuration and weight.
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$ 37.59
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1-2 weeks delivery time Tecnoseal magnesium USA Type shaft sacrificial anodes for marine shaft installations, available for shaft sizes from 19 mm / 3/4" up to 60 mm and including both metric and imperial configurations. The range includes compact 2-fastening-hole models from 00500USAMG through 00514USAMG, plus the larger 00517USAMG version with 4 fastening holes. Depending on the model, anode height ranges from 51 to 102 mm, overall diameter from Ø54 to Ø107 mm and magnesium anode weight from 0.09 to 0.65 kg. Bolts and nuts are available on request. Select the required model according to shaft size, overall dimensions, fastening configuration and weight.
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$ 27.12
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1-2 weeks delivery time The Tecnoseal 03500 Series is a Vetus propeller nut anode for KGF125/130/160, also suitable for Twin Disc – BCS thrusters, with original part reference BP195E/SET151. Both versions have identical dimensions: Ø60 mm overall diameter, 42 mm overall height (h1), 17 mm height (h), 24 mm dimension (a), Ø6.50 mm, Ø30 mm and Ø12 mm internal diameters. Available as Zinc 03500 weighing 0.48 kg or Magnesium 03500MG weighing 0.12 kg.
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$ 39.47
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1-2 weeks delivery time The Tecnoseal 03501 Series is a BCS conical propeller anode with stainless steel insert, available in Zinc, Aluminium and Magnesium versions. All variants have the same dimensions: 55 mm height, Ø68 mm overall diameter, Ø56 mm base diameter and Ø6.50 mm central diameter. The material variants differ in weight: Zinc 03501 – 0.64 kg, Aluminium 03501AL – 0.26 kg, and Magnesium 03501MG – 0.16 kg.
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$ 60.84
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1-2 weeks delivery time The Tecnoseal 03502 is a zinc Vetus plate anode for KGF23A/50/80, also suitable for Twin Disc – BCS thrusters, with original part reference BP 129/SET153. It weighs 0.07 kg (0.15 lbs) and measures 41 mm in length (l), 20 mm in width (a), 17 mm (b), 24 mm in height (h), 17 mm (h1), with a Ø6.50 mm mounting hole.
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$ 34.05
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1-2 weeks delivery time The Tecnoseal 03505 is a zinc Vetus propeller nut anode for KGF25, corresponding to original part number BP-1221 / SET0148. It weighs 0.04 kg (0.09 lbs) and measures 10 mm in height, with 38 mm overall diameter, 29 mm dimension (i), Ø32 mm, Ø17 mm and Ø4.50 mm mounting holes.
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$ 58.15
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1-2 weeks delivery time The Tecnoseal 03506 is a zinc Vetus propeller nut anode for KGF35/45/55, corresponding to original part number BP-1126 / SET0149. It weighs 0.15 kg (0.33 lbs) and measures 17 mm in height, with 50 mm overall diameter, 37 mm dimension (i), Ø43 mm, Ø15 mm and Ø5.50 mm mounting holes.
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$ 68.93
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1-2 weeks delivery time The Tecnoseal 03507 is a zinc Vetus propeller nut anode for KGF60/75/80/95, corresponding to original part number BP-1185 / SET0150. It weighs 0.15 kg (0.33 lbs) and measures 15 mm in height, with 56 mm overall diameter, 40 mm dimension (i), Ø44 mm, Ø15 mm and Ø5 mm mounting holes.
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$ 76.11
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1-2 weeks delivery time The Tecnoseal 03508 is a zinc Vetus propeller nut anode for KGF220, corresponding to original part number BP-1210 / SET0152. It weighs 0.37 kg (0.82 lbs) and measures 41 mm in overall height, with 50 mm overall diameter, 24 mm dimension (c), Ø11 mm and Ø6.50 mm internal diameters.
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$ 48.66
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1-2 weeks delivery time The Tecnoseal 03509 is a zinc Vetus propeller nut anode for bow thruster applications, corresponding to original part number BP195. It weighs 0.39 kg (0.86 lbs) and measures 47 mm in height, with 53 mm overall diameter, 28 mm dimension (a), Ø11 mm and Ø7 mm internal diameters.
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$ 48.66
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1-2 weeks delivery time The Tecnoseal 03514 is a zinc Vetus propeller nut anode for KGF220/230/285/310, corresponding to original part number SET0221. It weighs 0.94 kg (2.07 lbs) and measures 41 mm in height, with 75.50 mm overall diameter, 25 mm dimension (c), Ø11 mm, Ø6.50 mm and Ø28.50 mm internal diameters.
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$ 75.23
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1-2 weeks delivery time The Tecnoseal 03512 is a zinc Vetus conical propeller nut anode for bow thruster applications. It weighs 0.65 kg (1.43 lbs) and measures 75 mm in overall diameter and 47 mm in height, with additional dimensions of a = 25 mm, b = 7 mm, Ø1 = 8.50 mm, Ø2 = 42 mm and Ø3 = 55 mm.
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$ 84.67
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1-2 weeks delivery time The Tecnoseal 03513 is a zinc Vetus propeller nut anode with an overall diameter of 32 mm and height of 15 mm. It weighs 0.06 kg (0.13 lbs) and features Ø8 mm, Ø7 mm and Ø5 mm internal diameters.
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$ 28.23
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1-2 weeks delivery time The Tecnoseal 00729 Series is a bow thruster anode compatible with Volvo Penta systems and available in Zinc 00729 and Magnesium 00729MG versions. Both variants share the same dimensions: 37 mm length, 22 mm width, 15 mm height, Ø10 mm and Ø6.50 mm. The Zinc version weighs 0.05 kg (0.11 lbs), while the Magnesium version weighs 0.01 kg (0.02 lbs). The catalogue also identifies this item as the same as Tecnoseal 01055.
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$ 25.69
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1-2 weeks delivery time The Tecnoseal 00730 is a zinc propeller nut anode compatible with Volvo Penta 4/6 HP systems with 3-blade propeller. It weighs 0.04 kg (0.09 lbs) and measures 20 mm in height and 26 mm in overall diameter, with Ø10 mm and Ø6.50 mm internal diameters. The catalogue identifies this item as the same as Tecnoseal 01050.
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$ 31.90
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1-2 weeks delivery time The Tecnoseal 00731 Series is a bow thruster anode compatible with Volvo Penta QL BP500/600 and SP600, corresponding to original part number 41100098. It is available in Zinc 00731 and Magnesium 00731MG versions. Both variants measure 20 mm in height, 29 mm in overall diameter, have Ø1 = 9.50 mm and an M4 thread. The Zinc version weighs 0.05 kg (0.11 lbs), while the Magnesium version weighs 0.01 kg (0.02 lbs).
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$ 25.40
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1-2 weeks delivery time The Tecnoseal 00732 Series is a bow thruster anode compatible with Volvo Penta QL BP800-1300 and SP900-1300, corresponding to original part number 41100276. It is available in Zinc 00732 and Magnesium 00732MG versions. Both variants share the same dimensions: 51 mm length, 12 mm height, Ø17 mm and Ø7 mm. The Zinc version weighs 0.09 kg (0.20 lbs), while the Magnesium version weighs 0.02 kg (0.04 lbs).
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$ 30.57
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1-2 weeks delivery time The Tecnoseal America Bow Thruster propeller nut anode range includes 01046, 19024 and 19024-6, all in zinc. The 01046 version measures Ø81 mm × H38 mm and weighs 0.39 kg, while the 19024 and 19024-6 versions measure Ø111 mm and weigh 1.02 kg and 1.04 kg respectively. The 19024 has h = 61 mm and i = 70 mm, while 19024-6 has h = 60 mm and i = 75 mm. All variants use Ø2 = 6.50 mm.
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$ 75.47
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1-2 weeks delivery time The Tecnoseal 03700 is a zinc Craftsman Marine propeller nut anode for 35 kgf thruster applications, corresponding to original part number BA.110.90007. It weighs 0.07 kg (0.15 lbs) and measures 37 mm in overall diameter and 20 mm in height, with additional dimensions of a = 17.50 mm, h1 = 10 mm, Ø1 = 10.50 mm, Ø2 = 25 mm and Ø3 = 5.50 mm.
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$ 46.61
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1-2 weeks delivery time The Tecnoseal 03701 is a zinc Craftsman Marine propeller nut anode for 55 kgf thruster applications, corresponding to original part number BA.150.90007. It weighs 0.13 kg (0.29 lbs) and measures 48 mm in overall diameter and 30 mm in height, with additional dimensions of a = 17.50 mm, h1 = 17 mm, Ø1 = 10.50 mm, Ø2 = 27 mm and Ø3 = 5.50 mm.
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$ 55.07
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What is the purpose of using Tecnoseal anodes on a boat hull and propeller?
Tecnoseal anodes serve the critical purpose of providing cathodic protection to a boat's hull and propeller by preventing corrosion through the use of sacrificial anodes. As one of the leading manufacturers in the world, Tecnoseal offers a wide range of anodes, including zinc, aluminum, and magnesium, designed specifically for different boating conditions. Their extensive catalog includes options for a variety of marine applications, from outboards to bow thrusters, ensuring maximum protection and performance.
For enhanced corrosion protection, explore our Anodes for Aluminium Boats, designed to safeguard your vessel’s hull and underwater components.
What are the main differences between zinc, magnesium, and aluminum anodes in the Tecnoseal range for boat protection?
In the Tecnoseal range, zinc, magnesium, and aluminum anodes serve different purposes based on water type. Zinc anodes are best Boat Anodes For Saltwater, while magnesium is ideal for freshwater use, offering more active protection. Aluminum anodes, being more versatile, can be used in both salt and brackish water, providing longer-lasting protection. Tecnoseal, one of the leading suppliers of sacrificial anodes, manufactures a wide range of these anodes to cater to various boat types and environments.
How do stern anodes differ from outboard anodes in the Tecnoseal range?
Stern anodes in the Tecnoseal range are designed to protect the metal components of the stern area, such as the stern drive, from corrosion, while outboard anodes are specifically engineered to safeguard the outboard engine parts, like the propeller and lower unit. Both types of anodes act as sacrificial anodes for cathodic protection, with Tecnoseal offering a wide range to fit various brands to ensure long-term protection in the leisure boat market.