Tecnoseal specializes in sacrificial anodes and cathodic protection solutions for marine and industrial applications. The company manufactures zinc, aluminum, and magnesium anodes for boats, yachts, commercial vessels, propulsion systems, and other equipment exposed to seawater, brackish water, or freshwater.
Tecnoseal produces a broad range of standard and custom anodes in different shapes, sizes, and mounting configurations. Its products are used for hulls, propeller shafts, propellers, engines, sterndrives, trim tabs, and other submerged metal components that require sacrificial cathodic protection.
At Yacht-Supply24.com, we supply Tecnoseal marine anodes and can assist with product identification, OEM cross-references, material selection, and finding the correct replacement by part number, dimensions, or application.
Send us your request if you need help identifying the correct Tecnoseal anode or compatible replacement.
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1-2 weeks delivery time The Tecnoseal 00630FISH Series consists of suspended fish-shaped hang-on anodes supplied with a 6 m (19.65 ft) cable, available in Zinc 00630FISH, Aluminium 00630FISH-AL and Magnesium 00630FISH-MG versions. All three variants share the same dimensions of 237 mm length and 70 mm height. The Zinc version weighs 3.00 kg (6.61 lbs), the Aluminium version 1.18 kg (2.60 lbs), and the Magnesium version 0.76 kg (1.68 lbs). |
$ 132.49
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1-2 weeks delivery time Tecnoseal aluminium NACA-profile shaft collar sacrificial anodes, available in nine sizes for shafts from 19 to 35 mm, including metric and imperial shaft configurations. All models have a height of 25 mm, with outside diameters of Ø55 or Ø66 mm depending on size. The range covers shaft openings from 19 to 35 mm and aluminium anode weights from 0.07 to 0.12 kg. Select the required model according to shaft size, outside diameter and weight. |
$ 17.88
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1-2 weeks delivery time Tecnoseal aluminium shaft collar sacrificial anodes for shaft installations, available in Limited Clearance, Medium Size and Large Size configurations. The range includes metric and imperial shaft sizes from 19 mm / 3/4" up to 140 mm, with collar heights from 18 to 40 mm, overall diameters from Ø61 to Ø225 mm and weights from 0.02 to 2.20 kg. Compact Limited Clearance versions cover shaft sizes from 19 mm / 3/4" through 50 mm, including 7/8", 1", 1-1/8", 1-1/4" and 1-1/2" options. Additional medium and large aluminium versions are available for 60, 70, 75, 100, 120 and 140 mm shafts. Select the required model according to shaft size, collar height, overall diameter and weight. |
$ 14.28
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1-2 weeks delivery time Tecnoseal aluminium UK Type shaft sacrificial anodes for marine shaft installations, available in metric and imperial shaft configurations from 19 mm / 3/4" up to 50 mm. The range includes thirteen models with shaft openings from 19 to 50 mm, heights from 65 to 100 mm, overall diameters from Ø56 to Ø85 mm and aluminium anode weights from 0.22 to 0.952 kg. Imperial shaft options include 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-1/2" and 1-3/4". Bolts and nuts are not included. Select the required model according to shaft size, height, overall diameter and weight. |
$ 51.71
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1-2 weeks delivery time Tecnoseal aluminium USA Type shaft sacrificial anodes for marine shaft installations, available in metric and imperial shaft sizes from 19 mm / 3/4" up to 76.20 mm / 3". The range includes compact models with 2 fastening holes and larger versions with 4 fastening holes. Depending on the model, weights range from 0.14 to 1.25 kg, heights from 51 to 102 mm and overall diameters from Ø54 to Ø122 mm. Available shaft sizes include 19, 25, 28, 30, 35, 40, 45, 48, 50 and 60 mm together with 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-1/2", 1-3/4", 2", 2-1/4", 2-1/2", 2-3/4" and 3" configurations. Bolts and nuts are available on request. Select the required version according to shaft size, fastening configuration, height, overall diameter and weight. |
$ 21.73
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1-2 weeks delivery time Tecnoseal magnesium NACA-profile shaft collar sacrificial anodes, available in nine configurations for shaft sizes from 19 to 35 mm, including metric and imperial shaft dimensions. All models have a height of 25 mm, with outside diameters of Ø55 or Ø66 mm depending on size. Shaft openings range from 19 to 35 mm, while magnesium anode weights range from 0.06 to 0.10 kg. Select the required model according to shaft size, outside diameter, shaft opening and weight. |
$ 21.14
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1-2 weeks delivery time Tecnoseal magnesium Limited Clearance shaft collar sacrificial anodes for shaft installations where a compact collar profile is required. The range includes fourteen models for metric and imperial shaft sizes from 19 mm / 3/4" up to 50 mm / 1-1/2", with weights from 0.05 to 0.15 kg. Available versions feature heights from 18 to 25 mm, overall diameters from Ø61 to Ø85 mm and internal shaft diameters from 19 to 50 mm. Metric versions are available for 20, 25, 30, 35, 40, 45, 48 and 50 mm shafts, together with 3/4", 7/8", 1", 1-1/8", 1-1/4" and 1-1/2" imperial configurations. Select the required model according to shaft size, overall diameter, collar height and weight. |
$ 19.05
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1-2 weeks delivery time Tecnoseal magnesium Standard Type shaft sacrificial anodes for marine shaft installations, available for metric and imperial shaft sizes from 19 mm / 3/4" up to 80 mm. The range includes models with 2 fastening holes for shaft sizes from 19 mm through 2" / 50.8 mm, and larger models with 4 fastening holes for shafts from 55 to 80 mm. Depending on the model, anode height ranges from 56 to 110 mm, overall diameter from Ø58 to Ø128 mm and magnesium anode weight from 0.09 to 0.69 kg. Bolts and nuts are available on request. Select the required Tecnoseal model according to shaft diameter, overall dimensions, fastening-hole configuration and weight. |
$ 27.12
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1-2 weeks delivery time Tecnoseal magnesium UK Type shaft sacrificial anodes for marine shaft installations, available in six metric and imperial shaft configurations from 19 mm / 3/4" up to 30 mm. All models have a height of 65 mm and an overall outside diameter of Ø56 mm, with shaft openings from 19 to 30 mm. The range includes 3/4", 7/8", 1" and 1-1/8" imperial versions together with 25 mm and 30 mm metric sizes, with listed magnesium anode weights from 0.01 to 0.18 kg. Bolts and nuts are not included. Select the required model according to shaft size, Ø1 opening and weight. |
$ 63.03
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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. |
$ 27.12
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1-2 weeks delivery time Tecnoseal zinc NACA-profile shaft collar sacrificial anodes, available in nine sizes for shafts from 19 to 35 mm, including metric and imperial shaft configurations. All models have a height of 25 mm, with outside diameters of Ø55 or Ø66 mm depending on size. The range covers Ø1 shaft openings from 19 to 35 mm and zinc anode weights from 0.22 to 0.32 kg. Select the required model according to shaft diameter, outside diameter and weight. |
$ 22.18
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1-2 weeks delivery time Tecnoseal zinc shaft collar sacrificial anodes available in Limited Clearance, Slim, Medium and Large Size configurations for shaft diameters from 19 mm / 3/4" up to 360 mm. The range includes metric and imperial shaft sizes, with collar heights from 18 to 60 mm, overall diameters from Ø61 to Ø511 mm and weights from 0.21 to 49.40 kg. Available models include compact collars for 19–50 mm shafts, medium-size versions for shafts up to 95 mm and large collars for shaft diameters from 100 to 360 mm. Select the required Tecnoseal model according to shaft diameter, overall collar diameter, height and weight. |
$ 16.59
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1-2 weeks delivery time Tecnoseal zinc Standard Type shaft sacrificial anodes for marine shaft installations, available for shaft sizes from 19 mm / 3/4" up to 90 mm and including both metric and imperial configurations. The range includes models with 2 fastening holes for shaft sizes from 19 mm through 2" / 50.8 mm, and larger models with 4 fastening holes for shafts from 55 to 90 mm. Depending on the model, anode height ranges from 56 to 113 mm, overall diameter from Ø58 to Ø137 mm and weight from 0.41 to 3.65 kg. Bolts and nuts are available on request. Select the required model according to shaft diameter, overall dimensions, fastening-hole configuration and weight. |
$ 30.72
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1-2 weeks delivery time Tecnoseal zinc Barrel Type shaft sacrificial anodes for marine shaft installations, manufactured with 4 fastening holes. The range includes nine models for shaft diameters from 95 to 130 mm, with anode weights from 5.10 to 15.20 kg. Depending on the model, heights range from 114 to 156 mm and overall diameters from Ø142 to Ø180 mm. Bolts and nuts are available on request. Select the required Tecnoseal model according to shaft diameter, anode height, overall diameter and weight. |
$ 297.96
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1-2 weeks delivery time Tecnoseal zinc Light Type shaft sacrificial anodes for marine shaft installations, available in five metric and imperial shaft configurations from 19 mm / 3/4" to 28 mm. All models feature 2 fastening holes, a 40 mm height and Ø50 mm overall diameter, with shaft openings from 19 to 28 mm and weights from 0.22 to 0.31 kg. The range includes Tecnoseal 00500L for 19 mm / 3/4" shafts, 00501L for 7/8" shafts, 00502L for 25 mm shafts, 00503L for 1" shafts and 00504L for 28 mm shafts. Bolts and nuts are available on request. Select the required model according to shaft diameter and anode weight. |
$ 29.17
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1-2 weeks delivery time Tecnoseal zinc UK Type shaft sacrificial anodes for marine shaft installations, available in metric and imperial shaft configurations from 19 mm / 3/4" up to 50 mm. The range includes thirteen models with shaft openings from 19 to 50 mm, heights from 65 to 100 mm, overall diameters from Ø56 to Ø85 mm and weights from 0.56 to 2.47 kg. Available imperial configurations include 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-1/2" and 1-3/4". Bolts and nuts are not included. Select the required Tecnoseal model according to shaft size, height, overall diameter and weight. |
$ 71.93
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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. |
$ 37.59
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1-2 weeks delivery time Tecnoseal aluminium Radice conical propeller sacrificial anodes for fixed pitch propeller installations, supplied as replacement anodes only. The range includes ten models for shaft sizes from Ø22–25 mm up to Ø110 mm, with weights from 0.05 to 3.00 kg. Available versions range from 39 to 134 mm in height and from Ø33 to Ø160 mm in overall diameter, with individual Ø1, Ø2 and Ø3 dimensions for replacement matching. Select the required Tecnoseal model according to shaft size, anode dimensions and weight. |
$ 5.43
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What is Tecnoseal known for in the marine industry?
Tecnoseal specializes in sacrificial anodes and cathodic protection products for leisure boats, yachts, commercial vessels, and other marine applications. The company produces a broad range of standard anodes as well as application-specific designs for propulsion systems, engines, hull fittings, and other underwater equipment.
Why does Tecnoseal offer such a wide range of marine anodes?
Marine equipment varies considerably in shape, size, mounting method, and the area that requires protection. Tecnoseal therefore produces anodes in many different dimensions, weights, materials, and mounting configurations to suit specific engines, drives, propellers, shafts, hull components, and other installations.
This broad range also makes it possible to find replacement anodes for equipment from many different marine manufacturers.
Can Tecnoseal anodes be used as replacements for original OEM anodes?
Many Tecnoseal products are designed as compatible replacement anodes for original marine equipment. The correct Tecnoseal part can often be identified using an OEM reference, engine or drive model, or the part number of the existing anode.
Dimensions, mounting-hole spacing, shape, material, and weight should also be checked to confirm compatibility before installation.
How can I find a Tecnoseal anode if I only know the original manufacturer part number?
OEM part numbers can often be cross-referenced with Tecnoseal catalogue numbers to identify a compatible replacement. This is particularly useful when replacing anodes fitted to engines, sterndrives, propellers, shafts, or other branded marine equipment.
If an exact reference cannot be found, the equipment model together with photographs and anode dimensions can help narrow down the correct Tecnoseal product.
What information is useful when selecting a Tecnoseal replacement anode?
Useful information includes the Tecnoseal or OEM part number, equipment manufacturer and model, anode dimensions, mounting-hole spacing, weight, material, and photographs of the original part. Providing as much of this information as possible helps distinguish between similar anodes and reduces the risk of selecting an incompatible version.