Water Pump Impeller for Nissan/Tohatsu Outboard
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Regular impeller replacement keeps your outboard’s cooling system operating in top form—having a spare can save the day.
Impellers are the heart of an engine’s cooling system and should be replaced annually. Sierra offers replacement impellers engineered to meet or exceed manufacturer’s specifications to provide boaters and technicians the confidence of a factory fit and function. Impellers can be quickly damaged if run through silty or sandy water or if the water supply is interrupted. Both situations can reduce water flow and cause the engine to overheat. We recommend taking along a spare for these unexpected failures.
Key Features
- Impeller is engineered to meet OEM specifications
- Compatible with Nissan and Tohatsu outboards
Application Guide
| Application | 18-8920 OEM Part Number | 18-8922 OEM Part Number |
|---|---|---|
| Mallory | 9-45401 | — |
| Nissan/Tohatsu Outboard | 3B2-65021-1 | 3C8-65021-2 |
The Sierra Engine Parts Selector
In addition to impellers, we offer a wide variety of other engine parts manufactured by Sierra. To see if we have the part you need, see our Engine Parts Selector, where you can search by engine make, serial number and model or year of manufacture.
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