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

  • Save $8.10 USD
    Performance Metals

    Performance Metals Volvo Penta DPH/DPR Complete Anode Kit - Aluminum [10303A]

    Regular price $43.99 USD
    Sale price $43.99 USD Regular price $52.09 USD

    Volvo Penta DPH/DPR Complete Anode Kit - AluminumUsed on Volvo Penta DPH and DPR outdrives.Performance Metals Navalloy® aluminum anodes are manufactured to the military specification MIL-DTL 24779...

  • Save $1.22 USD
    Performance Metals

    Performance Metals Volvo Penta DPS-A/SX-A Complete Anode Kit - Aluminum [10289A]

    Regular price $57.99 USD
    Sale price $57.99 USD Regular price $59.21 USD

    Volvo Penta DPS-A/SX-A Complete Anode Kit - AluminumUsed on Volvo Penta DPS-A, DPS-B, SX-A, and FWD-B outdrives.Performance Metals Navalloy® aluminum anodes are manufactured to the military specification...

  • Save $1.93 USD
    Performance Metals

    Performance Metals Volvo Penta SX/DP-SM Complete Anode Kit - Aluminum [10278A]

    Regular price $67.99 USD
    Sale price $67.99 USD Regular price $69.92 USD

    Volvo Penta SX/DP-SM Complete Anode Kit - AluminumUsed on Volvo Penta SX and DP-SM outdrives.Performance Metals Navalloy® aluminum anodes are manufactured to the military specification MIL-DTL 24779...

  • Performance Metals

    Performance Metals Mercury Outboard Power Trim Anode - Aluminum [00052A]

    Regular price $16.18 USD
    Sale price $16.18 USD Regular price $0.00 USD

    Mercury Outboard Power Trim Anode - AluminumUsed on Mercury Verado and Optimax outboards. Also many smaller Mercury/Mariner outboards.Performance Metals Navalloy® aluminum anodes are manufactured to the...

  • Performance Metals

    Performance Metals Flat Trim Tab Anode - Aluminum [00049A]

    Regular price $16.66 USD
    Sale price $16.66 USD Regular price $0.00 USD

    Flat Trim Tab Anode - AluminumUsed on all large Mercury outboards, Mercruiser Alpha 1 Gen II, and Bravo outdrives.Performance Metals Navalloy® aluminum anodes are manufactured to the...

  • Save $1.35 USD
    Performance Metals

    Performance Metals Mercruiser Bravo 3 (2004 Later) Complete Anode Kit - Aluminum [10165A]

    Regular price $67.99 USD
    Sale price $67.99 USD Regular price $69.34 USD

    Mercruiser Bravo 3 (2004 & Later) Complete Anode Kit - AluminumComplete kit of anodes and hardware for Mercruiser Bravo 3 (2004 and later) outdrive.Performance Metals Navalloy® aluminum...

  • Save $0.78 USD
    Performance Metals

    Performance Metals Mercruiser Bravo 2/3 Complete Anode Kit - Aluminum [10061A]

    Regular price $46.99 USD
    Sale price $46.99 USD Regular price $47.77 USD

    Mercruiser Bravo 2/3 Complete Anode Kit - AluminumComplete kit of anodes and hardware for Mercruiser Bravo 2 and 3 (2003 and earlier) outdrives.Performance Metals Navalloy® aluminum anodes...

  • Save $1.42 USD
    Performance Metals

    Performance Metals Mercruiser Bravo 1 Complete Anode Kit - Aluminum [10060A]

    Regular price $55.99 USD
    Sale price $55.99 USD Regular price $57.41 USD

    Mercruiser Bravo 1 Complete Anode Kit - AluminumComplete kit of anodes and hardware for Mercruiser Bravo 1 outdrive.Performance Metals Navalloy® aluminum anodes are manufactured to the military...

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