Collection: Antifouling Systems

Protect what’s below the waterline.

Explore marine antifouling systems, sacrificial anodes and corrosion-protection products designed to help protect critical underwater components and maintain your vessel season after season.

Shop boat anodes, zinc anodes, aluminum anodes, magnesium anodes, shaft anodes, propeller anodes, trim-tab anodes and marine antifouling equipment for sailboats, powerboats, yachts and other marine applications.

Whether you're replacing worn sacrificial anodes, maintaining underwater running gear or preparing your boat for another season in the water, Roam & Harbor makes it easier to find essential products for protecting your vessel below the waterline.

From routine maintenance to long-term vessel care, choosing the appropriate corrosion and fouling protection for your boat and operating environment is an important part of keeping underwater systems maintained and ready for the water.

Protect below the waterline. Preserve the adventure.

146 products

  • Tecnoseal

    Tecnoseal Anode Kit w/Hardware - Mercury Alpha 1 Gen 2 - Magnesium [20801MG]

    Regular price $79.29 USD
    Sale price $79.29 USD Regular price $0.00 USD

    Mercury Alpha 1 Gen 2 Anode KitContents: (1) 00806BISMG (1) 00814MG (1) 00819MG (2) 00817MG (1) 00820MG Material: MagnesiumPackaging: PolybagHardware: Included Specifications: Material: Magnesium Box Dimensions:...

  • Tecnoseal

    Tecnoseal Anode Kit w/Hardware - Mercury Alpha 1 Gen 2 - Aluminum [20801AL]

    Regular price $59.53 USD
    Sale price $59.53 USD Regular price $0.00 USD

    Mercury Alpha 1 Gen 2 Anode KitContents: (1) 00806BISAL (1) 00814AL (1) 00819AL (2) 00817AL (1) 00820AL Material: AluminumPackaging: PolybagHardware: Included Specifications: Material: Aluminum Box Dimensions:...

  • Tecnoseal

    Tecnoseal Anode Kit w/Hardware - Mercury Alpha 1 Gen 2 - Zinc [20801]

    Regular price $78.72 USD
    Sale price $78.72 USD Regular price $0.00 USD

    Mercury Alpha 1 Gen 2 Anode KitContents: (1) 00806BIS (1) 00814 (1) 00819 (2) 00817 (1) 00820 Material: ZincPackaging: PolybagHardware: Included Specifications: Material: Zinc Box Dimensions:...

  • Tecnoseal

    Tecnoseal Anode Kit w/Hardware - Mercury Alpha 1 Gen 1 - Magnesium [20800MG]

    Regular price $46.84 USD
    Sale price $46.84 USD Regular price $0.00 USD

    Mercury Alpha 1 Gen 1 Anode KitContents: (1) 00806BISMG (1) 00800MG (2) 00807MG Material: MagnesiumPackaging: PolybagHardware: Included Specifications: Material: Magnesium Box Dimensions: 3"H x 4"W x...

  • Tecnoseal

    Tecnoseal Anode Kit w/Hardware - Volvo SX - Magnesium [20708MG]

    Regular price $52.68 USD
    Sale price $52.68 USD Regular price $0.00 USD

    Volvo SX Anode KitContents: (1) 00718MG (1) 00726MG Material: MagnesiumPackaging: PolybagHardware: Included Specifications: Material: Magnesium Box Dimensions: 2"H x 6"W x 8"L WT: 1.3 lbs UPC:...

  • Tecnoseal

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

    Regular price $44.53 USD
    Sale price $44.53 USD Regular price $0.00 USD

    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:...

  • Tecnoseal

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

    Regular price $51.83 USD
    Sale price $51.83 USD Regular price $0.00 USD

    Volvo SX Anode KitContents: (1) 00718 (1) 00726 Material: ZincPackaging: PolybagHardware: Included Specifications: Material: Zinc Box Dimensions: 3"H x 4"W x 6"L WT: 4.6 lbs UPC:...

  • Tecnoseal

    Tecnoseal R3MG Rudder Anode - Magnesium - 3-3/4" Diameter [R3MG]

    Regular price $31.04 USD
    Sale price $31.04 USD Regular price $0.00 USD

    Rudder AnodeMaterial: MagnesiumOuter Diameter: 3.63"Height: 0.52"Weight: 0.39lbs Full size and weight Rudder Each includes Stainless Steel hex nut and socket cap screw The captive hex nut...

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