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 Thermostat for various Suzuki engines, maintaining optimal temperature for engine efficiency. Fits DF8A, DF9.9A (AR) (2010>), DF9.9, DF15 (R) (2004-12), DF20R, 25R/Q, V2 (2006-13), DF25A, DF30A (2015>). OEM numbers: 17670-94J01, 17670-94J00. Operating temperature: 60°C.
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$ 52.64
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1-2 weeks delivery time High-quality Yamaha thermostat that regulates engine temperature for smooth performance. Compatible with F75B, F80D, F90B, F100F. OEM number: 6FP-12411-00. Operating temperature: 60°C.
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$ 25.61
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1-2 weeks delivery time Durable thermostat for a range of Yamaha engines, ensuring stable operation and efficient cooling. Fits F80A/B, F100A, F100B (2005>), F150AD, F200A/C, F225A/B/C, F250A/B. OEM numbers: 67F-12411-00, 67F-12411-01. Operating temperature: 60°C.
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$ 25.61
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1-2 weeks delivery time Precision thermostat for Yamaha F-series engines, maintaining consistent engine temperature. Compatible with F4, F70. OEM numbers: 66M-12411-00, 66M-12411-01. Operating temperature: 60°C.
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$ 22.13
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1-2 weeks delivery time Reliable motor trim for Mercury outboards, improving performance and maneuverability. Fits 25 Hp (98-06), 30-50 Hp (95-06,10). OEM number: 827675A1.
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$ 268.33
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1-2 weeks delivery time Motor trim for Mercury engines, designed for precise control and stability. Fits 65-115 Hp (89-98), 75-90 Hp (3 cil), 100-115, 125 Hp (4 cil). OEM numbers: 824051, 830250A6.
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$ 290.33
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1-2 weeks delivery time Trim compatible with multiple Mercury engines, supporting various horsepower and cylinder configurations. Fits 30 hp jet, 40 hp 2-3-4 cil, 50 hp 3 cil, 55 hp 3 cil, 60 hp 3 cil, 100-115, 125 hp (4 cil). Part numbers: 818903A1, 819762A4-A7, 819479A1, 809885A2, 819480A1.
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$ 168.83
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1-2 weeks delivery time High-performance trim for Mercury EFI engines, ensuring reliable operation across 65-300 Hp V6 and V8 engines. Part numbers: 8M0089940, 8M0142591.
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$ 334.13
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1-2 weeks delivery time Trim for Mercury 225 Hp EFI V6 engines, enhancing control and efficiency. OEM engine: 225 Hp EFI V6 (0T653945+). Part numbers: 888645T1, 88845T02.
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$ 254.01
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1-2 weeks delivery time Honda motor trim for various outboards, ensuring smooth performance and durability. Fits BF175A3, A6, AK1, AK2; BF200A3, A6, AK2; BF225A3, A6, AK1, AK2. Part number: 36120-ZY3-013.
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$ 265.01
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1-2 weeks delivery time Trim for Honda medium-power engines, providing reliable operation for standard and D series engines. Fits BF40A4, BF50A4, BF40D, DK2, DK4, BF50D, DK2, DK4. Part numbers: 36120-ZY6-013, 36120-ZY6-023.
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$ 372.57
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1-2 weeks delivery time Honda trim for higher horsepower outboards, ensuring stability and precise control. Compatible with BF115D, DK1; BF135A4, AK2; BF150A4, AK2. Part numbers: 36120-ZY6-013, 36120-ZY6-023.
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$ 254.24
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1-2 weeks delivery time Suzuki motor trim for multiple outboard models, improving reliability and fit. Compatible with DF90, DF100, DF115K1-K11 (01-11), DF200, DF225, DF250 (04-11), DF300 T/Z (07-11), DF150 T/Z (06-12). OEM numbers: 38100-92J02, 38100-92J10, 38100-92J01, 38100-93J02, 38100-96J00.
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$ 156.11
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1-2 weeks delivery time Maintain peak performance for your Suzuki DF40 and DF50X engines with this durable motor trim, compatible with OEM numbers 38100-87J11 and 38100-87J20.
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$ 241.48
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1-2 weeks delivery time Upgrade your Suzuki DF70A, DF80A, and DF90A engines with this precision-engineered motor trim, fitting OEM numbers 38100-87L03, 38100-87L02, 38100-87L01, and 38100-87L00.
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$ 262.90
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1-2 weeks delivery time Ensure smooth operation for your Suzuki DF40A, DF50A, and DF60A engines with this motor trim, compatible with OEM numbers 38100-88L12, 38100-88L11, and 38100-88L00.
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$ 361.65
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1-2 weeks delivery time Optimize your Yamaha outboard engine performance across multiple models with this reliable trim, designed for engines from 40 hp to 90 hp with OEM number 6H1-43880-02.
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$ 174.87
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1-2 weeks delivery time Perfect fit for Yamaha 40Y, 40N, C40, F40, F50, and FT50 engines, delivering reliable trim control and compatible with several OEM numbers including 62Y-43880-01 and 62Y-43880-02.
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$ 243.06
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1-2 weeks delivery time Compatible with several Yamaha outboard engines, this trim maintains reliable performance and precise fit for F75, F80, F90, and F100 models with OEM number 67F-43880-00.
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$ 189.70
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1-2 weeks delivery time Durable trim piece for high-powered Yamaha engines like F300A and F350A, ensuring long-lasting operation and exact OEM compatibility with numbers 6AW-43880-00, 6AW-43880-01, and 6AW-43880-02.
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$ 296.96
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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.