382468 Water Pump Impeller Kit Johnson Evinrude OMC (10 15 18 20 25 HP) 18-3377
382468 Water Pump Impeller Kit Johnson Evinrude OMC (10 15 18 20 25 HP) 18-3377
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Water Pump Impeller Kit for Johnson Evinrude OMC
This water pump impeller kit replaces OEM 382468 and 18-3377 for Johnson and Evinrude OMC outboards from 10 to 25 HP, supplying the impeller and related components needed to restore proper cooling water flow.
Overview
This water pump impeller kit is a replacement service kit for Johnson and Evinrude OMC outboards in the 10, 15, 18, 20, and 25 HP ranges. It replaces OEM 382468 and cross-references 18-3377, delivering the impeller and wear components that push cooling water through the powerhead. Outboard owners use this impeller kit during routine water pump service to prevent overheating and extend engine life.
Built For Performance
- Replaces OEM part numbers 382468 and 18-3377
- Fits Johnson and Evinrude OMC outboards from 10 to 25 HP
- Impeller design moves cooling water through the powerhead
- Service kit format for routine water pump maintenance
- Components matched to the listed horsepower range
Fits These Machines
- for Johnson 10 HP
- for Johnson 15 HP
- for Johnson 18 HP
- for Johnson 20 HP
- for Johnson 25 HP
- for Evinrude 10 HP
- for Evinrude 15 HP
- for Evinrude 18 HP
- for Evinrude 20 HP
- for Evinrude 25 HP
On-The-Job Use
- Routine water pump service on Johnson and Evinrude outboards
- Restoring cooling flow when an outboard runs hot
- Pre-season maintenance before launching a boat
- Repairing an outboard that shows a weak tell-tale stream
Specs At A Glance
| Part Number(s) | 382468, 18-3377 |
| Type | Water pump impeller kit |
| Compatible Makes | for Johnson, for Evinrude, for OMC |
| Horsepower Range | 10, 15, 18, 20, 25 HP |
| Application | Outboard cooling system |
Good To Know
Q: Is this an original OMC part? A: No, this is an aftermarket water pump impeller kit built to replace OEM 382468 and 18-3377. Confirm your outboard model and year before ordering.
Q: How often should the impeller be replaced? A: Most outboard manufacturers recommend water pump impeller service on a regular interval or whenever cooling performance drops. Replacing the impeller kit at the same time as the housing and seals is common practice.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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