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.

150 products

  • Performance Metals

    Performance Metals Suzuki 90-140HP Outboard Complete Anode Kit - Aluminum [10481A]

    Regular price $34.11 USD
    Sale price $34.11 USD Regular price $0.00 USD

    Suzuki 90-140HP Outboard Complete Anode Kit - AluminumComplete kit of anodes and hardware for Suzuki 90-140 hp outboards.Performance Metals Navalloy® aluminum anodes are manufactured to the...

  • Performance Metals

    Performance Metals 5" Rudder/Trim Tab Anode - Aluminum [R5000A]

    Regular price $28.53 USD
    Sale price $28.53 USD Regular price $0.00 USD

    5" Rudder/Trim Tab Anode - AluminumAluminum trim tab or rudder anode with 2 halves and stainless steel hardware. Nuts are pressed into the casting.Performance Metals Navalloy®...

  • Performance Metals

    Performance Metals Yamaha Transom Anode (115-300HP) - Aluminum [00127A]

    Regular price $20.65 USD
    Sale price $20.65 USD Regular price $0.00 USD

    Yamaha Transom Anode (115-300HP) - AluminumUsed on Yamaha 115-300hp outboards.Performance Metals Navalloy® aluminum anodes are manufactured to the military specification MIL-DTL 24779 and are suitable for...

  • Save $0.57 USD
    Performance Metals

    Performance Metals Yamaha 200-300HP 4 Stroke Outboard Complete Anode Kit - Aluminum [10494A]

    Regular price $41.99 USD
    Sale price $41.99 USD Regular price $42.56 USD

    Yamaha 200-300HP 4 Stroke Outboard Complete Anode Kit - AluminumUsed on Yamaha 250hp (1990 and later), 225hp (1994 and later), VMAX200-225 (1998-2001), 4 stroke 200hp and...

  • VETUS

    VETUS Zinc Anode Set f/Bow Thrusters - 35/55 kgf Bow Thrusters [SET0149]

    Regular price $83.92 USD
    Sale price $83.92 USD Regular price $0.00 USD

    Zinc Anode Set f/Bow Thruster - 35/55 kgf Bow ThrustersSpare set zinc anode for 35/55 kgf bow thrusters. Supplied with two stainless steel allen head countersunk...

  • Quick

    Quick Magnesium Anode 200mm f/Water Heater [FVSLANMG1820A00]

    Regular price $22.34 USD
    Sale price $22.34 USD Regular price $0.00 USD

    Magnesium Anode 200mm for Water HeaterQuick OSP Boiler Magnesium Anode 200mm.Features:  Magnesium Anode 200mm Used with water heaters

  • Tecnoseal

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

    Regular price $32.07 USD
    Sale price $32.07 USD Regular price $0.00 USD

    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...

  • Tecnoseal

    Tecnoseal Trim Tab Anode - Zinc - Yamaha 200-250 [01124]

    Regular price $19.93 USD
    Sale price $19.93 USD Regular price $0.00 USD

    Trim Tab AnodeSkeg For Engines - Yamaha 200-250Material: ZincTab Height: 2.76"Outer Diameter: 3.94"Weight: 1.50lbs Specifications: Material: Zinc Box Dimensions: 4"H x 4"W x 4"L WT: 1.55...

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