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 L8246304 anodes are designed for Yamaha and Mariner engines, offering crucial protection against corrosion to enhance engine performance and longevity. These high-quality anodes are identified by the Polipodio Article YA030AL, Model F-YA-28AL, and Original Code 63D-45251-10, and are suitable for 40-50 HP 2T-4T motors, made from durable aluminum material.
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$ 29.57
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1-2 weeks delivery time The Trem L8146303 anodes are designed for Yamaha and Mariner engines, providing essential corrosion protection to enhance performance and longevity. They are made from high-quality ZN material and are compatible with models like F-YA-30, featuring the original code 61N-45251-01 for the F-25 4T engines.
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$ 22.77
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1-2 weeks delivery time The Trem L8246303 anodes are designed for Yamaha and Mariner engines, providing effective corrosion protection. Made from high-quality aluminum, they ensure optimal performance and longevity. The products include the Polipodio Article YA032AL and Model F-YA-30AL, with the original code 61N-45251-01 suitable for F-25 4T engines.
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$ 39.98
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1-2 weeks delivery time The Trem L8146301 anodes are designed for Yamaha and Mariner engines, offering protection against corrosion and enhancing the longevity of engine components. They feature the Polipodio article YA033, model F-YA-31, and are made from zinc (ZN), with the original code 61W-45251-00, suitable for F-25 4T TRIM motors.
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$ 8.19
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1-2 weeks delivery time The Trem L8246301 is a high-quality aluminum anode designed for Yamaha and Mariner engines, specifically protecting them from corrosion to ensure longevity and optimal performance. It is identified by the Polipodio article YA033AL and is compatible with the F-25 4T TRIM model, with the original code 61W-45251-00.
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$ 7.36
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1-2 weeks delivery time The Trem L8146302 anodes are designed to protect Yamaha and Mariner engines from corrosion, ensuring optimal performance and longevity. Made from high-quality ZN material, they are essential for maintaining engine functionality.
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$ 56.47
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1-2 weeks delivery time The Trem L8246302 anodes offer high-quality corrosion protection for Yamaha and Mariner engines, enhancing their performance and longevity. With the original code 6L9-45371-00 and Polipodio article YA041AL, these aluminum anodes are specifically designed to ensure optimal engine functionality.
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$ 56.84
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1-2 weeks delivery time The Trem L8146025 anodes are designed for Yamaha and Mariner engines, providing essential corrosion protection for optimal performance and longevity. They are compatible with motors ranging from 60 to 225 HP and are made from high-quality zinc material.
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$ 34.47
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1-2 weeks delivery time The Trem L8146306 anodes are specifically designed for Yamaha and Mariner engines, featuring the Polipodio article YA037, model F-YA-37, and original code 67F-45371-00, suitable for 100 HP 4T Serie 80 motors, and made from high-quality ZN material.
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$ 32.95
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1-2 weeks delivery time The Trem L8146305 anodes are designed for Yamaha and Mariner engines, providing essential protection against corrosion and ensuring optimal performance.
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$ 39.61
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1-2 weeks delivery time The Trem L3288062 Stabilizers Hydrofoil Fin is a durable accessory made from black polyamide, designed to enhance the performance of outboard engines up to 50 HP. Its easy installation ensures a direct fit onto the plate, effectively eliminating cavitation for a smoother ride and improved navigation stability. The fin also allows for precise trim adjustments, resulting in better fuel efficiency on the water. With dimensions of 194 mm by 174 mm and a weight of 0.870 Kg, it’s a practical addition for boating enthusiasts.
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$ 24.92
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1-2 weeks delivery time The Trem L3288061 Stabilizers Hydrofoil Fin is a durable black polyamide accessory designed to improve the performance of outboard engines over 50 HP. It features easy installation, eliminates cavitation for smoother operation, enhances navigation stability for precise control, and promotes fuel efficiency. With dimensions of 264 mm in length, 216 mm in width, and weighing 0.600 kg, this universal fin combines reliability and performance for enhanced boating experiences.
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$ 32.62
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1-2 weeks delivery time Universal black polyamide hydrofoil stabilizer that improves planing, reduces cavitation, and enhances stability for outboard motors, dimensions 380 × 209 mm, suitable for engines 4 ≈ 250 HP.
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$ 52.41
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1-2 weeks delivery time The Trem L8248004 kit is designed to enhance the performance of Mercury Verado 4 and Optimax engines, featuring lightweight and durable high-quality aluminum construction. Compatible with these engine types, the kit improves performance and efficiency while being easy to install with included instructions, and built to withstand harsh marine environments.
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$ 43.33
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1-2 weeks delivery time The Trem L8248006 is a high-quality kit specifically designed for the Mercury Verado 6, featuring essential components such as references 880653 (Qty 1), 892227 (Qty 4), 826134 (Qty 2), and 762145 (Qty 1). Made from durable aluminium, this kit enhances performance and reliability, ensuring longevity for marine applications.
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$ 48.50
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1-2 weeks delivery time The Trem L8243003 Mercruiser Anodes Kit is crucial for protecting your boat's propulsion system from seawater corrosion, ensuring optimal performance and longevity. This kit includes anodes with original references 762145 (Qty 1), 821630 (Qty 1), and 806190 (Qty 2), and is compatible with BRAVO II models made after 1989 and BRAVO III models from 1989 to 2003.
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$ 43.06
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1-2 weeks delivery time The Trem L8243991 Mercruiser Anodes Kit is crucial for protecting your marine engine from corrosion, ensuring optimal performance and longevity. This kit includes high-quality anodes, specifically designed for ALPHA I GENERATION engines manufactured after 1991, with original references including 762145, 806105, 821629, 821631, and 806189.
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$ 45.07
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1-2 weeks delivery time The Trem L8243004 Anodes Kit is specifically designed for Mercruiser Bravo III systems produced after 2004, providing essential components to protect your boat's propulsion system from corrosion and ensure optimal performance and longevity. The kit includes one each of original references 761244, 762145, 865182C, and 821630, as well as two of reference 806190.
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$ 52.13
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1-2 weeks delivery time The Trem L8243968 Mercruiser Anodes Kit is crucial for protecting your boat's metal components from corrosion. This kit includes original replacement parts (Ref. 762145, 806188, 821630, and 806190) that ensure optimal performance for your Mercruiser engine. It is compatible with BRAVO I models manufactured after 1988, making it a smart investment for maintaining your vessel's longevity on the water.
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$ 49.43
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1-2 weeks delivery time The Trem L8246233 is a premium outboard kit for Yamaha 150-200 HP engines, featuring original replacement parts that guarantee optimal performance and reliability for an enhanced boating experience.
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$ 40.60
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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.