Aluminium Anode for Johnson Evinrude 9.9HP 15HP 4-Stroke Outboard 2002-Up AN221
357507
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Premium Aluminium Anode
For Johnson Evinrude 9.9HP & 15HP 4-Stroke Outboards (2002-Up)
Ensure the longevity and peak performance of your Johnson Evinrude 9.9HP or 15HP 4-stroke outboard with this high-quality aluminium sacrificial anode. Designed to provide crucial protection against galvanic corrosion, this anode is an essential component for any marine vessel operating in saltwater or brackish conditions.
Galvanic corrosion occurs when dissimilar metals are immersed in an electrolyte like seawater, leading to the deterioration of less noble metals. This aluminium anode is specifically engineered to corrode preferentially, safeguarding your engine's vital metal parts such as the gearcase, propeller, and other submerged components from costly damage. Regular inspection and replacement of your anodes are key to preventing this silent destroyer.
Key Features
- ✔ Optimised Aluminium Alloy: Provides superior galvanic protection in saltwater and brackish water, outperforming zinc.
- ✔ Extended Lifespan: Aluminium anodes typically last longer and corrode more efficiently than zinc counterparts.
- ✔ Direct OEM Replacement: Replaces Johnson Evinrude OEM Part No. 5033185 for perfect fit and function.
- ✔ Easy Installation: Designed for straightforward fitting, allowing for quick and secure replacement.
- ✔ Eco-Friendly: Manufactured without cadmium, reducing environmental impact compared to some zinc anodes.
Technical Specs
| Material: | Marine-Grade Aluminium Alloy |
| Type: | Sacrificial Anode |
| Corrosion Protection: | Cathodic Protection |
| Recommended Water Type: | Saltwater & Brackish Water |
| SKU: | AN221 |
Vehicle Fitment Guide
| Make | Model (HP) | Engine Type | Year Range |
|---|---|---|---|
| Johnson | 9.9HP | 4-Stroke Outboard | 2002 onwards |
| Johnson | 15HP | 4-Stroke Outboard | 2002 onwards |
| Evinrude | 9.9HP | 4-Stroke Outboard | 2002 onwards |
| Evinrude | 15HP | 4-Stroke Outboard | 2002 onwards |
OEM Part Number Cross Reference
| Johnson / Evinrude | 5033185 |
Frequently Asked Questions
What is a sacrificial anode and why do I need one?
A sacrificial anode is a metal component designed to corrode preferentially, protecting more valuable metal parts of your boat or engine from galvanic corrosion. In marine environments, it's essential to prevent rust and degradation of your outboard motor.
Why choose an aluminium anode over a zinc anode?
Aluminium anodes are generally superior to zinc anodes in saltwater and brackish water, offering better protection, lasting longer, and being more environmentally friendly. They are also lighter and have greater electrical potential.
How often should I inspect and replace my anode?
It is recommended to inspect your sacrificial anodes every 6-12 months, or more frequently depending on usage. They should be replaced when they are approximately 50% corroded to maintain effective protection.
Can I paint my anode?
No, anodes should never be painted or coated. Any covering will prevent them from making proper electrical contact with the water and the protected metal, rendering them ineffective.
Note: Please verify your vehicle model and year before purchasing.
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