Yamaha 6HP 8HP Water Pump Impeller 6G1-44352-01 18-3066
17.200.302a
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Yamaha 6G1-44352-01 Water Pump Impeller
Aftermarket impeller for selected 6 HP and 8 HP two-stroke outboards
Flexible neoprene replacement impeller for selected Yamaha 6 HP and 8 HP two-stroke outboards using the 6G1-44352 family. It restores raw-water circulation when the original impeller is worn or damaged.
Key Features
- Aftermarket water-pump impeller
- For selected Yamaha 6 HP and 8 HP two-strokes
- Approximately 40 mm outside diameter
- Approximately 11.9 mm shaft bore
- A-grade neoprene flexible vanes
- One impeller supplied
Technical Specs
| Part type | Flexible water-pump impeller |
| Outside diameter | Approx. 40 mm |
| Shaft bore | Approx. 11.9 mm |
| Material | Neoprene rubber with rigid hub |
| Supply | 1 impeller |
| 4Boats SKU | 17.200.302a |
Compatibility / Fitment Guide
| Application | Verified fitment | Checks / exclusions |
|---|---|---|
| Yamaha 6 HP two-stroke | Selected 1986–2000 applications using 6G1-44352-00/01 | Confirm model and serial |
| Yamaha 8 HP two-stroke | Selected 1984–2009 applications using the 6G1 reference | Later listings can extend by market; use the parts diagram |
| Yamaha four-stroke F6 / F8 | Not automatically compatible | The F-series cooling system may use a different impeller |
| Other brands | Only where an official cross-reference to 6G1-44352 exists | Do not match by dimensions alone |
Before ordering: Confirm OEM number plus impeller diameter, width, shaft bore, key type and vane count against the removed part.
Part Number Cross Reference
| Yamaha OEM | 6G1-44352-00; 6G1-44352-01; 6G1-44352-02 |
| Sierra | 18-3066 |
| GLM | 89870 |
| Mallory | 9-45610 |
| 4Boats SKU | 17.200.302a |
Frequently Asked Questions
Will it fit a Yamaha F6 four-stroke?
Do not assume so. The verified core fitment is selected 6/8 HP two-stroke engines.
Is a gasket or key included?
The listing is for one impeller; other pump parts are not included unless shown.
Can dimensions alone confirm fit?
No. Match OEM number, key design, width and vane count as well.
What can damage an impeller?
Dry running, sand or silt, long storage with set vanes and a scored housing can reduce output.
Installation note: Never start the engine without cooling water. Install with the vanes folded in the normal direction of shaft rotation and inspect the housing, wear plate, key and seals before reassembly.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
