Description
SIERRA Yamaha T8/F15/F20/9.9-15 HP Water Pump Impeller – 18-3040
Water-pump impeller for selected Yamaha T8, 9.9/15 two-stroke, F15 and F20 outboards using OEM 63V-44352-01-00. Sierra designs the replacement around the specified OEM pump geometry and interchange references.
- Application: selected Yamaha T8, 9.9/15 two-stroke, F15 and F20 outboards using OEM 63V-44352-01-00
- Function: Circulates raw cooling water through the engine cooling system; a worn, hardened or damaged impeller can reduce water flow and cause overheating.
- Component: Flexible water-pump impeller
- Blade count: 6
- Interchange: Yamaha Outboard: 63V-44352-01-00
Verify the engine model, serial range, pump housing and original impeller number before installation. Inspect the housing, wear plate, key and gaskets at the same time; replace damaged companion parts rather than installing a new impeller into a worn pump.
Specifications
- Component: Flexible water-pump impeller
- Blade count: 6
Interchange / Replaces
- Yamaha Outboard: 63V-44352-01-00



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