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      Zincs & Anodes

      • Sierra 18-6024A Anode Aluminum
        $17.49
        $12.49

        Sierra 18-6024A OMC Aluminum Gearcase Anode Material: Aluminum For use on gearcases. Interchangeable with: GLM 12776 Johnson/Evinrude Outboard 393023 436745 OMC Stern Drive 393023 Tecnoseal 00907AL Zinc is for saltwater...

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      • Sierra 18-6160M Anode Kit (Magnesium)
        $173.99
        $121.99

        Sierra 18-6160M Mercruiser Bravo II, Bravo III Anode Kit - Magnesium Sierra high-quality engine parts are designed to meet OEM specifications. This anode kit is for Mercruiser Bravo II (1989 & newer) and Bravo III (1989-2003). Material:...

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      • Sierra 18-6150Z Anode Kit Zinc
        $69.99
        $48.99

        Sierra 18-6150Z Anode Kit Zinc Sierra high-quality engine parts are designed to meet OEM specifications. For MR & Alpha I drives Material: Zinc Includes: (1) 18-6011 Anode (1) 18-6015-9 Anode (1) 18-6066 Anode Interchangeable...

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      • Quicksilver 822777Q-1 Aluminum Trim Tab Anode
        $29.99
        $24.99

        Quicksilver 822777Q-1 Trim Tab Anode Aluminum  Protect your outboard and stern drive from the harmful effects of galvanic corrosion while aiding steering control with the Quicksilver 822777Q-1 Trim Tab Anode. This anode helps protect gear case...

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      • Sierra 18-6035 Anode
        $27.99
        $19.49

        Sierra 18-6035 Anode Sierra replacement zinc anode for Yamaha Outboards. Sierra aftermarket engine parts are manufactured to meet or exceed OEM requirements. Interchangeable with: GLM 12883 Yamaha...

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      • Sierra 18-6045 Anode
        $5.99
        $4.99

        Sierra 18-6045 Rudder Anode Sierra high-quality engine parts are designed to meet OEM specifications. Diameter Size: 1-7/8" Dimensions: 1/4" Nominal Weight: .20 lbs Material: Zinc

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      • Sierra 18-6102 Anode Magnesium
        $34.49
        $25.99

        Sierra 18-6102 OMC, Volvo Gearcase Magnesium Anode Used on: Gearcases 2.3L(1987-90), 2.6/3.5/4.6L(1989), 3.0/4.3/5.0/5.8L(1987-93), 5.7L(1987-92), 7.4L(1987-88) Material: Magnesium Interchangeable with: OMC Stern...

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      • Sierra 18-6200 Anode
        $7.99
        $5.99

        Sierra 18-6200 Yanmar Anode Sierra high-quality engine parts are designed to meet OEM specifications. For Yanmar engines. Interchangeable with: Yanmar 27210-200200 Application: Yanmar Model: 1GM 1980-1983 7 HP Model:...

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      • Mercury - Mercruiser 76214T-5 Anodic Plate Kit @2
        $29.39
        $24.49

        Mercury - Mercruiser 76214T-5 Anodic Plate Kit  Genuine OEM Mercury-Mercruiser part. Aluminum Provides additional clearance for high rake propellers Fits Mercury/Mariner 35-300hp, Force 90 & 120hp 1995 and newer, Mercruiser Alpha One Gen...

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      • Sierra 18-6046 Rudder Anode
        $18.99
        $12.99

        Sierra 18-6046 Zinc Rudder Anode A-Diameter: 2 13/16" or 71 mm Dimension B: 1/2" or 13 mm Nominal Weight: 0.90 lbs or 0.40 Kg Material: Zinc Interchangeable with: Tecnoseal R2

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      • Tecnoseal TEC-DIVERS Plate Anode - Zinc
        $71.43
        $62.99

        TEC-DIVERS Plate AnodePlates for HullsMaterial: ZincLength: 12.01"Width: 5.98"Height: 0.51"Weight: 7.78lbs Specifications:Material: ZincBox Dimensions: 1"H x 6"W x 12"L WT: 7.8 lbsUPC: 8033837068730Quick Guide (pdf)Owner's Manual (pdf)

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      Boat Zincs and Anodes

      An essential part on every vessel, zinc anodes for boats are installed to protect underwater metal components, such as a bronze propeller or metal struts, from galvanic corrosion. Galvanic Corrosion occurs when two dissimilar metals are physically or electronically connected and immersed in water. Without any form of protection, galvanic corrosion will cause underwater metals to corrode and waste away. When sacrificial anodes, commonly referred to as zincs, are added to the equation, they will corrode away instead, leaving your metal components intact.

      At Wholesale Marine, you'll find zinc anodes, magnesium anodes, and aluminum anodes. Zinc anodes have been used for years and are recommended for saltwater applications. For boats in freshwater, magnesium anodes provide excellent protection, especially for underwater aluminum parts. For boaters who plan to be in brackish water, aluminum anodes are the way to go. Aluminum alloy anodes have become more popular over the years as they have a longer lifespan and provide protection in both fresh and saltwater.

      Boat zincs and anodes should disintegrate over time. After a year, even if your zinc anode seems to still be in great shape, it should be replaced as it may contain impurities or have a bad connection. Once your anode is about half done, it's time to replace it (usually every year). At Wholesale Marine, we stock a full line of zinc anodes for boats including engine anodes, prop shaft anodes, anode kits, rudder anodes, and more. In addition, our anode kits make shopping fast and easy.

      If you're unsure which option from Wholesale Marine’s selection of zinc anodes for boats is the right choice for you, give us a call! Our call center is available Monday-Friday, 9 AM to 4 PM EST at 1-877-388-2628. Don't forget to ask about our Captain’s Club Rewards Program to learn how you can save on future purchases. We offer same-day shipping on all in stock items, and free shipping on orders over $99.