Zinc Trim Tab Anode – Fits Yamaha 150 HP, 175 HP, 200 HP, 225 HP Outboards (1986-Up)
This zinc trim tab anode is engineered to provide reliable corrosion protection for Yamaha outboard engines rated at 150 HP, 175 HP, 200 HP, and 225 HP. Designed to fit 1986 and newer models, including 4-stroke configurations, this anode safeguards critical trim components from galvanic corrosion in saltwater and freshwater environments.
Directly replaces OEM part numbers 6K1-45371-02-00, 6K1-45371-01-00, and aftermarket equivalent 18-6121, ensuring broad compatibility across multiple Yamaha outboard series and years.
- Material: Zinc alloy optimized for saltwater corrosion protection
- Includes one complete trim tab anode ready for installation
- Compatible with counter-rotation models from 1992 onward
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand | Part Number | Notes |
|---|---|---|
| Yamaha | 6K1-45371-02 | OEM replacement |
| Yamaha | 6K1-45371-02-00 | Superseded |
| Yamaha | 6K1-45371-01-00 | Superseded |
| Aftermarket | 18-6121 | Direct replacement |
Compatible Engine Models
Confirm your engine model/year in the table below. For Yamaha owners, here’s a guide to help you identify your engine’s serial/model: Yamaha Serial Number Guide. You can also review exploded diagrams to verify part numbers: Yamaha Parts Diagrams & Catalog.
| Brand | Rated HP | Stroke | Years | Notes |
|---|---|---|---|---|
| Yamaha | 150 HP | 4-Stroke | 1986-Up | Including 4-stroke models |
| Yamaha | 175 HP | 4-Stroke | 1986-Up | Including 4-stroke models |
| Yamaha | 200 HP | 4-Stroke | 1986-Up | Including 4-stroke models |
| Yamaha | 225 HP | 4-Stroke | 1986-Up | Counter-rotation models 1992+ |
