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 L8249212 anodes are vital for protecting Mercury and Mercruiser engines from corrosion, ensuring engine longevity by providing a sacrificial layer against electrolysis. Designed for models ranging from 215 to 275 HP VERADO, these aluminum anodes are identified by Polipodio Article ME038AL and Model O.C. 893404.
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$ 29.41
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1-2 weeks delivery time The Trem L8145202 anode is crucial for protecting Mercury-Mercruiser engines from corrosion, ensuring optimal performance and longevity. It is identified by the Polipodio article ME039, model FM-39, original code 826887M, and is made from zinc (ZN).
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$ 29.36
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1-2 weeks delivery time The Trem L8143001 is a high-quality anode designed for Mercury-Mercruiser engines, offering reliable corrosion protection to extend the lifespan of your equipment. It is identified by the Polipodio Article ME016 and the original code FM-01 43994A2 ALPHA II GENERATION, and is made from ZN material.
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$ 30.36
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1-2 weeks delivery time The Trem L8149204 anodes are specifically designed for Mercury and Mercruiser engines, featuring the Polipodio article ME033, model FM-32, with an original code of 875208, suitable for motors with 4-5.5 HP and made from ZN material.
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$ 15.55
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1-2 weeks delivery time The Trem L8249204 anodes are designed for Mercury-Mercruiser engines, offering crucial protection against corrosion to extend the lifespan of engine components. They are identified by the Polipodio Article ME033AL and the original code 875208, suitable for motors with 4-5.5 HP, and made from aluminum (AL).
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$ 13.57
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1-2 weeks delivery time The Trem L8143125 anodes are specifically designed for Mercury-Mercruiser engines, offering critical corrosion protection and enhancing the longevity of engine components, thereby ensuring optimal performance in marine environments. Key details include the Polipodio Article ME034, Model FM-34, Original Code 865182Q01 BRAVO THREE, and are made from zinc (ZN).
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$ 30.36
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1-2 weeks delivery time The Trem L8243125 anodes are specifically designed to protect Mercury-Mercruiser engines from corrosion, ensuring longevity and optimal performance. These aluminum anodes are compatible with BRAVO THREE models and have a Polipodio article number of ME034AL, as well as an original code of 865182Q01.
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$ 29.85
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1-2 weeks delivery time The Trem L8145319 anode is specifically designed for Mercury and Mercruiser engines, offering vital corrosion protection to extend your motor's lifespan. Made from high-quality materials, it ensures optimal performance for motors with 25-30-40 HP (4T).
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$ 27.85
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1-2 weeks delivery time The Trem L8148510 anode is designed for Tohatsu and Nissan engines, providing essential corrosion protection and enhancing motor longevity. Made from durable materials, it is compatible with models like F-T0-5 and supports motors with 2.5 to 8 HP.
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$ 11.24
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1-2 weeks delivery time The Trem L8248510 anode is specifically designed for Tohatsu and Nissan engines, ensuring optimal performance and longevity. It is made of aluminum, has a Polipodio article number TH001AL, and dimensions of 24 mm (A), 8 mm (B), and 6 mm (C). This original part, with the code 369-60218-1, is compatible with motors ranging from 2.5 to 8 HP.
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$ 13.67
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1-2 weeks delivery time The Trem L8148512 anode is designed for Tohatsu and Nissan engines, with dimensions of 20 mm (A), 7 mm (B), and 6.5 mm (C). It is compatible with motors ranging from 2.5 to 8 HP and is made from ZN material, featuring the original code 338-60218-2.
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$ 11.50
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1-2 weeks delivery time The Trem L8248512 anode is designed for Tohatsu and Nissan engines, providing excellent corrosion protection to enhance engine longevity and performance. Key specifications include a Polipodio Article number of TH001BAL, dimensions of 20 mm (A), 7 mm (B), and 6.5 mm (C), compatibility with engines ranging from 2.5 to 8 HP, and it is made from aluminum (AL).
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$ 13.43
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1-2 weeks delivery time The Trem L8148504 anode is specifically designed for Tohatsu and Nissan engines, offering essential protection against corrosion and extending motor life with its durable construction suited for harsh marine environments.
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$ 12.87
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1-2 weeks delivery time The Trem L8148502 is a durable anode designed for Tohatsu and Nissan engines, protecting them from corrosion and enhancing performance. It is compatible with models F-T0-1 and has an original code of 348-60217-0, suitable for motors with 25-40 HP, and is made from zinc (ZN).
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$ 22.77
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1-2 weeks delivery time The Trem L8148505 is a durable anode designed for Tohatsu and Nissan engines, specifically for models with 25-50 HP. It features the original code 3C8-60217-0 and is made from high-quality ZN material, ensuring effective performance and longevity.
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$ 24.45
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1-2 weeks delivery time The Trem L8148507 anode is designed for Tohatsu and Nissan engines, offering vital corrosion protection to extend motor lifespan. It is associated with the Polipodio Article TH005, model F-T0-3, and original code 3B7-60217-0, suitable for motors with 60 to 140 HP, made from ZN material.
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$ 27.27
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1-2 weeks delivery time The Trem L8148501 anode is specifically designed for Tohatsu and Nissan engines, ensuring optimal performance and longevity. It is identified by the Polipodio article TH006, model F-T0-6, and original code 3M2-60218-1, suitable for motors with a horsepower range of 40 to 140, made from zinc (ZN).
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$ 18.25
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1-2 weeks delivery time The Trem L8148514 anode is specifically designed for Tohatsu and Nissan engines, offering essential protection for motors with a horsepower range of 40 to 140 MEGA. Made from high-quality zinc (ZN), it ensures durability and reliability in marine environments.
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$ 40.38
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1-2 weeks delivery time The Trem L8248514 anode is designed for Tohatsu and Nissan engines, providing essential corrosion protection for engine longevity. With durable construction and a precise fit, this anode is crucial for maintaining marine engine performance. It is compatible with motor HP ranging from 40 to 140 MEGA and is made of aluminum.
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$ 44.24
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1-2 weeks delivery time The Trem L8144025 anodes are designed for Suzuki engines, offering vital corrosion protection. Made from high-quality materials, they ensure optimal performance and durability, suitable for models with a motor power of 20 to 30 HP, including the original code 55125-96310.
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$ 19.37
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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.