
Proper maintenance is a must
The impeller is the heart of an engine’s cooling system. So make
sure you inspect and replace Impellers regularly. The
Sierra 18-3001 Water Pump Impeller is designed to
match and directly replace the original part and is fully
interchangeable with the OEM product it’s designed to replace.
Sierra 18-3001 Water Pump Impeller Features:
- Part number: 18-3001
- For Johnson/Evinrude Outboard models
- Replaces:
Replaces:
OMC: 0277181, 0434424
GLM: 89580
Mallory: 9-45216-10,9-45216
Johnson/Evinrude Outboard: 434424,277181









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