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Zinc & Anode

54 total items

Tecnoseal Zinc Split Collar Anode f/SD20, SD25, SD30, SD31, SD40, SD50 SD60 Yanmar Saildrives [01305/1]

SKU: 81677

Zinc Split Collar Anode for SD20, SD25, SD30, SD31, SD40, SD50 & SD60 Yanmar SaildrivesTecnoseal Zinc Yanmar Saildrive Split Collar Anode without fittings. In zinc for salt water. Original part...

Tecnoseal R3AL Rudder Anode - Aluminum - 3-3/4" Diameter [R3AL]

SKU: 51622

Rudder AnodeMaterial: AluminumOuter Diameter: 3.63"Height: 0.52"Weight: 0.61lbs Full size and weight Rudder Each includes Stainless Steel hex nut and socket cap screw The captive hex nut is a great feature...

Tecnoseal R3AL Rudder Anode - Aluminum - 3-3/4" Diameter [R3AL]

SKU: 51622
in stock

Sale price $9.99

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Tecnoseal Anode Kit w/Hardware - Mercury Bravo 2-3 - Zinc [20804]

SKU: 52032

Mercury Bravo 2-3 Anode KitContents: (1) 00815 (1) 00820 (2) 00818 Material: ZincPackaging: PolybagHardware: Included Specifications: Material: Zinc Box Dimensions: 3"H x 7"W x 8"L WT: 4.6 lbs UPC: 8033837068655...

Tecnoseal Anode Kit w/Hardware - Mercury Bravo 2-3 - Zinc [20804]

SKU: 52032
in stock

Sale price $29.99

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Tecnoseal Anode Kit w/Hardware - Volvo SX - Aluminum [20708AL]

SKU: 52021

Volvo SX Anode KitContents: (1) 00718AL (1) 00726AL Material: AluminumPackaging: PolybagHardware: Included Specifications: Material: Aluminum Box Dimensions: 3"H x 6"W x 8"L WT: 1.9 lbs UPC: 8033837069287 Quick Guide (pdf)Owner's...

Tecnoseal Anode Kit w/Hardware - Volvo SX - Aluminum [20708AL]

SKU: 52021
in stock

Sale price $33.99

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Tecnoseal Anode Kit w/Hardware - Mercury Verado 6 - Aluminum [20816AL]

SKU: 52042

Mercury Verado 6 Anode KitContents: (4) 00833AL (1) 00832AL (1) 00820AL (2) 00825AL Material: AluminumPackaging: PolybagHardware: Included Specifications: Material: Aluminum Box Dimensions: 2"H x 5"W x 5"L WT: 1.7 lbs...

Tecnoseal Anode Kit w/Hardware - Mercury Verado 6 - Aluminum [20816AL]

SKU: 52042
in stock

Sale price $34.99

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Tecnoseal X3 Shaft Anode - Zinc - 1" Shaft Diameter [X3]

SKU: 51637

Shaft AnodeMaterial: ZincOuter Diameter: 2.14"Inner Diameter: 1"Height: 2.02"Weight: 0.88lbsHoles: 2 Specifications: Material: Zinc Box Dimensions: 2"H x 2"W x 2"L WT: 0.9 lbs UPC: 8059617812249 Quick Guide (pdf)Owner's Manual (pdf)Brochure...

Tecnoseal X3 Shaft Anode - Zinc - 1" Shaft Diameter [X3]

SKU: 51637
in stock

Sale price $7.99

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Tecnoseal Anode Kit - Volvo DPSA/SXA - Zinc [20711]

SKU: 57068

Anode Kit - Volvo DPSA/SXA - ZincContents: (1)00733BISAL (1)00737AL Material:ZincPackaging:PolybagHardware:Included Specifications: Material: Zinc Box Dimensions: 3"H x 5"W x 6"L WT: 5.35 lbs UPC: 8059617818753 Quick Guide (pdf)Owner's Manual (pdf)

Tecnoseal Anode Kit - Volvo DPSA/SXA - Zinc [20711]

SKU: 57068
in stock

Sale price $43.99

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Tecnoseal Anode Kit w/Hardware - Mercury Bravo 3 2004-Present - Magnesium [20805MG]

SKU: 52037

Mercury Bravo 3 2004 Anode KitContents: (1) 00835MG (1) 00820MG (2) 00818MG (1) 00836MG (1) 00815MG Material: MagnesiumPackaging: PolybagHardware: Included Specifications: Material: Magnesium Box Dimensions: 3"H x 7"W x 11"L...

Tecnoseal Anode Kit w/Hardware - Mercury Bravo 3 2004-Present - Magnesium [20805MG]

SKU: 52037
in stock

Sale price $47.99

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Tecnoseal X2 Shaft Anode - Zinc - 7/8" Shaft Diameter [X2]

SKU: 51636

Shaft AnodeMaterial: ZincOuter Diameter: 2.14"Inner Diameter: 0.87"Height: 2.02"Weight: 0.97lbsHoles: 2 Specifications: Material: Zinc Box Dimensions: 2"H x 2"W x 2"L WT: 1 lbs UPC: 8059617812188 Quick Guide (pdf)Owner's Manual (pdf)Brochure...

Tecnoseal X2 Shaft Anode - Zinc - 7/8" Shaft Diameter [X2]

SKU: 51636
in stock

Sale price $7.99

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Tecnoseal Magnesium Hull Plate Anode 8-3/8" x 4-1/32" x 1-1/16" [TEC-Z-406MG]

SKU: 81713

Magnesium Hull Plate Anode 8-3/8" x 4-1/32" x 1-1/16"Specifications: Magnesium Hull Plate 1.80lbs Specifications: Material: Magnesium Box Dimensions: 2"H x 4"W x 7"L WT: 1.5 lbs UPC: 8052744980508

Tecnoseal Magnesium Hull Plate Anode 8-3/8" x 4-1/32" x 1-1/16" [TEC-Z-406MG]

SKU: 81713
in stock

Sale price $46.99

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Tecnoseal TEC-N1 Downeaster Transom Anode - Zinc [TEC-N1]

SKU: 52009

Downeaster Transom AnodePlates for HullsMaterial: ZincLength: 8.50"Width: 3.15"Height: 0.50"Weight: 2.62lbs Specifications: Material: Zinc Box Dimensions: 1"H x 3"W x 9"L WT: 2.6 lbs UPC: 8059617810702 Quick Guide (pdf)Owner's Manual (pdf)

Tecnoseal TEC-N1 Downeaster Transom Anode - Zinc [TEC-N1]

SKU: 52009
in stock

Sale price $28.99

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Tecnoseal Side Power Anode [01052]

SKU: 76072

Side Power AnodeTecnoseal Sleipner Zinc Sidepower Anode 71190/51180 for side power thrusters. Fits SP55S, SE60, SP75T, SE80, SP95T and SE100 models. SR100, SX80, SX100, SE80, SE100, SH100, SP65S, 7HP inchAinch,...

Tecnoseal Side Power Anode [01052]

SKU: 76072
in stock

Sale price $3.99

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Tecnoseal Z406 Hull Plate Anode - Zinc [TEC-Z-406]

SKU: 51779

Z406 Hull Plate AnodePlates for HullsMaterial: ZincLength: 8.50"Width: 4.17"Height: 1.10"Weight: 6.73lbs Specifications: Material: Zinc Box Dimensions: 1"H x 5"W x 9"L WT: 6.8 lbs UPC: 8033837068792 Quick Guide (pdf)Owner's Manual...

Tecnoseal Z406 Hull Plate Anode - Zinc [TEC-Z-406]

SKU: 51779
in stock

Sale price $55.99

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Tecnoseal X5MG Shaft Anode - Magnesium - 1-1/4" Shaft Diameter [X5MG]

SKU: 51701

Shaft AnodeMaterial: MagnesiumOuter Diameter: 2.27"Inner Diameter: 1.25"Height: 2.52"Weight: 0.28lbsHoles: 2 Specifications: Material: Magnesium Box Dimensions: 2"H x 2"W x 3"L WT: 0.3 lbs UPC: 8059617812386 Quick Guide (pdf)Owner's Manual (pdf)

Tecnoseal X5MG Shaft Anode - Magnesium - 1-1/4" Shaft Diameter [X5MG]

SKU: 51701
in stock

Sale price $13.99

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Tecnoseal Anode Kit w/Hardware - Volvo Duo-Prop 290 - Zinc [20706]

SKU: 52072

Volvo Duo-Prop 290 Anode KitContents: (1) 00704BIS (1) 00708 Material: ZincPackaging: PolybagHardware: Included Specifications: Material: Zinc Box Dimensions: 2"H x 6"W x 7"L WT: 2.8 lbs UPC: 8059617818722 Quick Guide...

Tecnoseal Anode Kit w/Hardware - Volvo Duo-Prop 290 - Zinc [20706]

SKU: 52072
in stock

Sale price $33.99

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Tecnoseal X5 Shaft Anode - Zinc - 1-1/4" Shaft Diameter [X5]

SKU: 51639

Shaft AnodeMaterial: ZincOuter Diameter: 2.27"Inner Diameter: 1.25"Height: 2.52"Weight: 1.09lbsHoles: 2 Specifications: Material: Zinc Box Dimensions: 2"H x 2"W x 3"L WT: 1.1 lbs UPC: 8059617812362 Quick Guide (pdf)Owner's Manual (pdf)Brochure...

Tecnoseal X5 Shaft Anode - Zinc - 1-1/4" Shaft Diameter [X5]

SKU: 51639
in stock

Sale price $8.99

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Tecnoseal Trim Tab Anode - Zinc - Short - Mercury 50HP [00800]

SKU: 51707

Trim Tab AnodeMaterial: ZincOuter Diameter: 3.54"Length:4.13"Weight: 1.06lbs Specifications: Material: Zinc Box Dimensions: 3"H x 4"W x 5"L WT: 1 lbs UPC: 8033837064190 Quick Guide (pdf)Owner's Manual (pdf)

Tecnoseal Trim Tab Anode - Zinc - Short - Mercury 50HP [00800]

SKU: 51707
in stock

Sale price $9.99

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Tecnoseal E00 Pencil Zinc w/Brass Cap [TEC-E00-C]

SKU: 52056

E00 Pencil Zinc w/Brass CapLength: 2.00"Diameter: 0.25" Specifications: Material: Zinc Box Dimensions: 1"H x 1"W x 3"L WT: 0.1 lbs UPC: 8059617819064 Quick Guide (pdf)Owner's Manual (pdf)Brochure (pdf)

Tecnoseal E00 Pencil Zinc w/Brass Cap [TEC-E00-C]

SKU: 52056
in stock

Sale price $2.99

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Tecnoseal E0 Pencil Zinc w/Brass Cap [TEC-E0-C]

SKU: 52055

E0 Pencil Zinc w/Brass CapLength: 1.75"Diameter: 0.38" Specifications: Material: Zinc Box Dimensions: 1"H x 1"W x 3"L WT: 0.1 lbs UPC: 8059617819071 Quick Guide (pdf)Owner's Manual (pdf)Brochure (pdf)

Tecnoseal E0 Pencil Zinc w/Brass Cap [TEC-E0-C]

SKU: 52055
in stock

Sale price $3.99

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Tecnoseal Anode Kit w/Hardware - Mercury Bravo 1 - Zinc [20803]

SKU: 52029

Mercury Bravo 1 Anode KitContents: (1) 00815 (1) 00820 (1) 00828 (2) 00818 Material: ZincPackaging: PolybagHardware: Included Specifications: Material: Zinc Box Dimensions: 3"H x 7"W x 8"L WT: 5 lbs...

Tecnoseal Anode Kit w/Hardware - Mercury Bravo 1 - Zinc [20803]

SKU: 52029
in stock

Sale price $44.99

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Zinc & Anode

Zinc anodes, also known as sacrificial anodes, are important components in corrosion control systems for boats and other marine structures. These anodes are made of zinc, which is a more active metal compared to other metals commonly used in marine applications, such as steel or aluminum.

The purpose of zinc anodes is to protect metal components from galvanic corrosion. Galvanic corrosion occurs when two dissimilar metals are in contact in the presence of an electrolyte, such as seawater. In this electrochemical process, the more active metal (zinc) corrodes sacrificially, protecting the less active metal (e.g., steel or aluminum) from corroding.

Zinc anodes are typically attached to the metal components that need protection, such as the hull, propellers, rudders, shafts, or heat exchangers. When immersed in the electrolyte, the zinc anode corrodes over time, slowly wearing away and releasing ions into the surrounding water. These ions create an electrical potential that prevents corrosion on the protected metal surfaces.

Regular inspection and replacement of zinc anodes are necessary to ensure ongoing corrosion protection. The rate of zinc anode consumption depends on various factors, including the type of water (saltwater or freshwater), water temperature, and the size and quality of the anodes.

Overall, zinc anodes play a crucial role in preventing corrosion and extending the lifespan of metal components in marine environments. They are a cost-effective and efficient solution for maintaining the integrity and performance of boats and other submerged structures.

What is galvanic corrosion?

Galvanic corrosion is an electrochemical process that occurs when two different metals are in contact in the presence of an electrolyte. One metal acts as an anode and undergoes corrosion, while the other metal acts as a cathode and remains protected. The electrolyte allows the flow of electrons between the metals, accelerating the corrosion of the anode. Preventive measures such as using compatible metals and sacrificial anodes can help mitigate galvanic corrosion.

Anodes come in many shapes and sizes.

Anodes play a crucial role in protecting metal structures from corrosion in various environments. They come in a wide range of shapes and sizes to cater to different applications and specific requirements. The shape of an anode is carefully chosen based on factors such as the area to be protected, the type of structure or equipment, and the environmental conditions in which it will be used. Whether it's the flat and elongated hull anodes for boats, cylindrical shaft anodes for propeller protection, or plate anodes for large surface areas, there is a suitable anode shape available. Additionally, there are rod anodes for versatile use, bracelet anodes for wrapping around irregular structures, and button anodes for localized protection. Choosing the right anode shape ensures effective corrosion prevention and extends the lifespan of metal components in various industries and applications.

Outdrive Anode Kits

Outdrive anode kits provide a convenient and cost-effective solution for boaters looking to protect their outdrives from galvanic corrosion. 

PointSupplies' outdrive anode kits cover a wide range of major brands such as MerCruiser, Volvo-Penta, OMC, and others. This ensures that boaters can find the right kit specifically designed for their outdrive model, ensuring proper fit and functionality.

The kits include outdrive anodes made from different materials, including zinc, aluminum, and magnesium. Each material offers distinct properties and sacrificial protection capabilities. Zinc anodes are commonly used in saltwater environments, aluminum anodes are suitable for both saltwater and freshwater applications, and magnesium anodes are primarily used in freshwater environments.

Aluminum, Zinc and Magnesium Anodes

Aluminum, zinc, and magnesium anodes are commonly used in marine applications to provide sacrificial protection against galvanic corrosion. Each type of anode offers specific advantages and is suitable for different environments and conditions.

Aluminum anodes are lightweight and highly resistant to corrosion, making them ideal for both saltwater and freshwater environments. They provide effective protection against galvanic corrosion and are often used in boats, pontoons, and other marine structures. Aluminum anodes are known for their longevity and ability to withstand harsh marine conditions.

Zinc anodes are widely used in saltwater environments due to their excellent sacrificial properties. They are effective at protecting metal components such as outdrives, propellers, and hulls from galvanic corrosion. Zinc anodes are readily available and offer reliable protection in corrosive saltwater conditions. They are commonly used in both recreational and commercial vessels.

Magnesium anodes are primarily used in freshwater environments such as lakes and rivers. They provide excellent protection against galvanic corrosion in freshwater, which has different electrochemical properties compared to saltwater. Magnesium anodes are lightweight and have a high driving potential, making them effective in freshwater applications. However, they should not be used in saltwater environments as they can rapidly corrode.

Choosing the right type of anode depends on the specific boating environment and the materials being protected. Saltwater boaters typically opt for zinc anodes, while freshwater boaters prefer magnesium anodes. Aluminum anodes offer versatility and can be used in both saltwater and freshwater conditions.

Regular inspection and replacement of anodes are essential to maintain their effectiveness. Anodes gradually corrode over time as they sacrifice themselves to protect other metal components. It is important to monitor their condition and replace them when necessary to ensure continuous protection against galvanic corrosion.