Engine, sterndrive, and outboard anodes are designed to protect submerged metal components from galvanic corrosion through sacrificial cathodic protection. They are used on marine engines, sterndrives, outboard lower units, propellers, trim tabs, and related underwater hardware where exposed metals require protection in saltwater, brackish water, or freshwater. Anodes are available individually or as complete kits, with different shapes, mounting configurations, and materials selected to match the specific engine or drive system.
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1-2 weeks delivery time The Trem L8140131 anodes are specifically designed for Volvo-Penta engines, providing essential protection against corrosion in marine environments. With a model designation of F-VP-41, these anodes are made of zinc (ZN) and correspond to the original code 3588745 Serie DPH-DPR.
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$ 27.27
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1-2 weeks delivery time The Trem L8240131 anodes are designed for Volvo-Penta engines, providing exceptional corrosion protection and extending the lifespan of marine engine components. They are identified by the Polipodio article VP025AL and the original code 3855411, Series DPH-DPR, and are made from aluminum.
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$ 37.18
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1-2 weeks delivery time The Trem L8140133 anodes are designed for Volvo-Penta engines, providing vital protection against corrosion to ensure optimal performance and extend the lifespan of engine components.
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$ 85.03
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1-2 weeks delivery time The Trem L8240133 anodes are designed for Volvo-Penta engines to prevent corrosion and ensure optimal performance. Made from high-quality aluminum, these anodes enhance engine reliability and come with a model code of 3888305 and a polipodio article number of VP026AL. They feature a two-piece collar for Sail Drive feet.
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$ 87.50
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1-2 weeks delivery time The Trem L8140004 anodes are designed for Volvo-Penta engines, providing essential protection against corrosion with a material composition of zinc. They are identified by the Polipodio article VP024 and model F-VP-40, with the original code 3588746 Serie DPH.
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$ 48.01
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1-2 weeks delivery time The Trem L8240004 anodes are designed for Volvo-Penta engines to provide optimal performance and corrosion protection. Made from high-quality aluminum, these anodes are essential for maintaining the integrity and longevity of marine engines in challenging environments. The product is associated with the Polipodio Article VP024AL and the original code 3588746 for Series DPH.
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$ 56.69
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1-2 weeks delivery time The Trem L8140012 anodes are designed for Volvo-Penta engines, offering essential protection against corrosion to enhance durability in marine environments.
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$ 27.97
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1-2 weeks delivery time The Trem L8240012 anodes are specifically designed for Volvo-Penta engines to enhance performance and durability. They are identified by Polipodio Article VP011AL and the original model code 876286 SEA DRIVE, and are made from aluminum (AL) material.
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$ 32.65
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1-2 weeks delivery time The Trem L8240739 anodes are crucial for Volvo-Penta engines, designed to improve performance and extend engine life by protecting against corrosion in marine environments. These high-quality anodes, identified by Polipodio Article VP028 and compatible with Serie IPS O.C. models, have dimensions of 270 mm (A), 85 mm (B), 30 mm (C), and 140 mm (D), and are made from aluminum.
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$ 125.20
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1-2 weeks delivery time Trem L8113325 anodes are specifically designed for Volvo-Penta engines, providing effective corrosion protection and enhancing engine performance. Essential for maintaining the integrity and longevity of your engine system, these anodes feature the Polipodio article VP029, a model with an Ogiva assembly of Ø 25/30 3/4" UNC, and are made from high-quality zinc material (ZN).
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$ 47.75
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1-2 weeks delivery time The Trem L8113335 anodes are specifically designed for Volvo-Penta engines, providing optimal performance and corrosion resistance to protect your engine in various aquatic environments. Key features include the Polipodio article, model VP029A, Ogiva Asse Ø 35 7/8" UNC O.C.: 833915, and a material composition of ZN.
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$ 47.75
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1-2 weeks delivery time The Trem L8113340 anodes are specifically designed for Volvo-Penta engines, providing essential corrosion protection and enhancing engine performance. Made from high-quality zinc (ZN), these anodes ensure the longevity and reliable functionality of your engine components, with a polipodio article number of VP029B and a model specification of Ogiva Asse Ø 40 1" UNC O.C.: 828140.
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$ 64.15
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1-2 weeks delivery time The Trem L8140132 anodes are designed for Volvo-Penta engines, featuring the Polipodio article VP023 and the original code 3858399. They include a collar made in three sectors for three-blade propellers and are crafted from zinc (ZN) for optimal corrosion protection.
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$ 30.88
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1-2 weeks delivery time The Trem L8240132 anodes are high-quality components designed for Volvo-Penta engines, providing effective corrosion protection to enhance engine performance and longevity. Featuring the Polipodio Article VP023AL and original model code 3858399, these anodes come with a three-sector collar for three-blade propellers and are made from durable aluminum.
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$ 24.19
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1-2 weeks delivery time The Trem L8140082 anodes are designed to protect Volvo-Penta engines from corrosion, ensuring optimal performance and longevity. They feature the original code 873395 for model DPX and are made from zinc.
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$ 41.64
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1-2 weeks delivery time The Trem L8240082 anodes are designed to protect Volvo-Penta engines from corrosion, ensuring optimal performance and longevity in marine environments. These high-quality, aluminum anodes feature the polipodio article VP016AL and are compatible with the original code 873395 Serie DPX.
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$ 35.72
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1-2 weeks delivery time The Trem L8146001 anodes are designed for Yamaha and Mariner engines, effectively preventing corrosion and enhancing performance. They are compatible with 40-60 HP Mariner motors manufactured after 1991 and are made from high-quality zinc.
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$ 29.90
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1-2 weeks delivery time The Trem L8246001 anodes are designed for Yamaha and Mariner engines, providing essential protection against corrosion. Made from high-quality materials, these anodes are compatible with original code 6794525100 and suitable for motors with 40 to 60 HP manufactured after 1991.
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$ 22.24
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1-2 weeks delivery time The Trem L8146006 anodes are tailored for Yamaha and Mariner engines, providing essential corrosion protection and enhancing the longevity of your motor. Designed for models FM-YA 60/90 with a power range of 60-90 HP, these anodes are made from high-quality zinc (ZN) and correspond to the original code 668-45371-02.
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$ 31.27
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1-2 weeks delivery time The Trem L8246006 anodes are vital for protecting Yamaha and Mariner engines from corrosion, ensuring their performance and longevity. Designed with the Polipodio article YA004AL and compatible with models coded 668-45371-02 for engines with 60-90 horsepower, these anodes are made from durable aluminum.
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$ 31.90
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What do engine, sterndrive, and outboard anodes protect?
Engine, sterndrive, and outboard anodes provide sacrificial cathodic protection for submerged or water-exposed metal components. Depending on the installation, anodes may protect lower units, gear housings, trim tabs, transom brackets, propeller areas, cooling passages, and other metal parts that are exposed to galvanic corrosion.
The anode is designed to corrode preferentially, helping protect more valuable engine and drive components from deterioration.
Why is regular replacement of engine and drive anodes important?
Sacrificial anodes are gradually consumed while protecting the surrounding metal components, so they must be inspected and replaced before too much material is lost. A heavily worn or missing anode can no longer provide effective protection, increasing the risk of corrosion on the engine, sterndrive, or outboard assembly.
Inspection frequency depends on operating conditions, water type, vessel usage, and the electrical environment around the boat.
How can I choose the correct anode for an engine, sterndrive, or outboard motor?
The correct anode should match the engine or drive manufacturer, model, installation position, dimensions, mounting arrangement, and required anode material. OEM part numbers or cross-reference numbers are often the most reliable way to identify the correct replacement.
Because similar engines and sterndrives may use different anodes depending on model year or configuration, compatibility should always be checked before installation.