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.

147 products

  • Tecnoseal

    Tecnoseal Transom Bar Anode - Aluminum - Yamaha [01112AL]

    Regular price $16.70 USD
    Sale price $16.70 USD Regular price $0.00 USD

    Transom Bar AnodeBar For Engines - Yamaha Material: AluminumLength: 7.99"Height: 1.97"Width: 1.77"Weight: 0.78lbs Specifications: Material: Aluminum Box Dimensions: 2"H x 2"W x 8"L WT: 0.77 lbs...

  • Tecnoseal

    Tecnoseal Transom Bar Anode - Zinc - Yamaha [01112]

    Regular price $24.49 USD
    Sale price $24.49 USD Regular price $0.00 USD

    Transom Bar AnodeBar For Engines - Yamaha Material: ZincLength: 7.99"Height: 1.97"Width: 1.77"Weight: 1.99lbs Specifications: Material: Zinc Box Dimensions: 2"H x 2"W x 8"L WT: 2.04 lbs...

  • Tecnoseal

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

    Regular price $13.20 USD
    Sale price $13.20 USD Regular price $0.00 USD

    Trim Tab AnodeMaterial: ZincOuter Diameter: 3.54"Length:4.13"Weight: 1.06lbs Specifications: Material: Zinc Box Dimensions: 3"H x 4"W x 4"L WT: 1.02 lbs UPC: 8033837064190 Quick Guide (pdf)Owner's Manual...

  • Save $1.79 USD
    Tecnoseal

    Tecnoseal X7MG Shaft Anode - Magnesium - 1-1/2" Shaft Diameter [X7MG]

    Regular price $27.99 USD
    Sale price $27.99 USD Regular price $29.78 USD

    Shaft AnodeMaterial: MagnesiumOuter Diameter: 2.58"Inner Diameter: 1.50"Height: 2.62"Weight: 0.35lbsHoles: 4 Specifications: Material: Magnesium Box Dimensions: 2"H x 3"W x 3"L WT: 0.4 lbs UPC: 8059617812447 Quick...

  • Tecnoseal

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

    Regular price $16.30 USD
    Sale price $16.30 USD Regular price $0.00 USD

    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...

  • Tecnoseal

    Tecnoseal X9AL Shaft Anode - Aluminum - 2" Shaft Diameter [X9AL]

    Regular price $21.48 USD
    Sale price $21.48 USD Regular price $0.00 USD

    Shaft AnodeMaterial: AluminumOuter Diameter: 3.02"Inner Diameter: 2"Height: 3.25"Weight: 0.95lbsHoles: 4 Specifications: Material: Aluminum Box Dimensions: 3"H x 3"W x 3"L WT: 1.1 lbs UPC: 8059617812492 Quick...

  • Tecnoseal

    Tecnoseal X8 Shaft Anode - Zinc - 1-3/4" Shaft Diameter [X8]

    Regular price $23.35 USD
    Sale price $23.35 USD Regular price $0.00 USD

    Shaft AnodeMaterial: ZincOuter Diameter: 3.20"Inner Diameter: 1.75"Height: 3.06"Weight: 2.56lbsHoles: 4 Specifications: Material: Zinc Box Dimensions: 3"H x 3"W x 3"L WT: 3.07 lbs UPC: 8059617812454 Quick...

  • Tecnoseal

    Tecnoseal X7 Shaft Anode - Zinc - 1-1/2" Shaft Diameter [X7]

    Regular price $16.23 USD
    Sale price $16.23 USD Regular price $0.00 USD

    Shaft AnodeMaterial: ZincOuter Diameter: 2.58"Inner Diameter: 1.50"Height: 2.62"Weight: 1.37lbsHoles: 4 Specifications: Material: Zinc Box Dimensions: 2"H x 2"W x 3"L WT: 1.4 lbs UPC: 8059617812423 Quick...

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