Impeller Kit – Fits Yamaha 8-15HP (Replaces 63V-44352-01)
Impeller Kit – Fits Yamaha 8-15HP (Replaces 63V-44352-01) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
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Impeller Kit – Fits Yamaha 8-15HP (Replaces 63V-44352-01)
Impeller Kit – Fits Yamaha 8-15HP (Replaces 63V-44352-01) is backordered and will ship as soon as it is back in stock.
Product Details
This aftermarket Impeller Kit – Fits Yamaha 8–15HP Outboards is designed for a wide range of Yamaha 4-stroke outboard engines, including 8HP, 9.9HP, 13.5HP, 15HP, and 20HP models, primarily manufactured between 1998 and 2020. It serves as a crucial component for maintaining your engine's cooling system performance.
It is a direct replacement for Yamaha OEM part numbers 63V-44352-01 and 63V4435201.
- Engineered for direct OEM replacement fit and function.
- Made from a durable, high-performance rubber compound for longevity.
- Includes one water pump impeller for a complete service.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Yamaha | 63V-44352-01 |
| Yamaha | 63V4435201 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
Designed for a wide range of Yamaha 4-stroke outboard models. Please check your specific engine model and year against this list.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Yamaha | 9.9F | 9.9 | 4-Stroke | 1998–2020 | 63V-44352-01 | |
| Yamaha | 15F | 15 | 4-Stroke | 1998–2020 | 63V-44352-01 | |
| Yamaha | F9.9C | 9.9 | 4-Stroke | 1998–2014 | 63V-44352-01 | |
| Yamaha | F9.9H | 9.9 | 4-Stroke | 2009–2020 | 63V-44352-01 | |
| Yamaha | F13.5A | 13.5 | 4-Stroke | 2002–2007 | 63V-44352-01 | |
| Yamaha | F15A | 15 | 4-Stroke | 1998–2007 | 63V-44352-01 | |
| Yamaha | F15C | 15 | 4-Stroke | 2007–2020 | 63V-44352-01 | |
| Yamaha | F20B | 20 | 4-Stroke | 2007–2020 | 63V-44352-01 | |
| Yamaha | FT8D | 8 | 4-Stroke | 2001–2014 | 63V-44352-01 | |
| Yamaha | FT8G | 8 | 4-Stroke | 2015–2020 | 63V-44352-01 | |
| Yamaha | FT9.9D | 9.9 | 4-Stroke | 1999–2008 | 63V-44352-01 | |
| Yamaha | FT9.9G | 9.9 | 4-Stroke | 2008–2012 | 63V-44352-01 | |
| Yamaha | FT9.9L | 9.9 | 4-Stroke | 2013–2020 | 63V-44352-01 | |
| Yamaha | E15C | 15 | 4-Stroke | 2003 | 63V-44352-01 | |
| Yamaha | EK9.9H | 9.9 | 4-Stroke | 2003 | 63V-44352-01 |
Technical Specs
- Product Type
- Water Pump Impeller
- Installation
- Direct OEM replacement
- Housing Material
- Rubber compound
- Housing Color
- Black
What’s in the Box
- 1 x Impeller (63V-44352-01)
Installation Notes
- Disconnect the battery and shift the outboard into neutral.
- Remove the mounting bolts securing the lower unit (gearcase) to the engine.
- Carefully lower and separate the gearcase from the driveshaft housing.
- Unscrew the bolts on the water pump housing cover to access the impeller.
- Remove the old impeller, noting the direction of the vanes.
- Clean the housing and install the new impeller, ensuring vanes face the correct rotational direction.
- Reassemble the water pump housing, applying new gaskets if included.
- Reattach the lower unit to the engine, ensuring proper alignment of the driveshaft and water tube.
- Tighten all bolts to the manufacturer's specified torque.
- Reconnect the battery and test the engine with a water supply to verify cooling system operation.
Troubleshooting & FAQ
How do I know if this impeller fits my specific Yamaha model?
The most reliable method is to cross-reference your engine's model number and year with the "Engine & Model Compatibility" table. You can also match the OEM part number (63V-44352-01) from your old impeller or service manual.
What are the signs of a failing water pump impeller?
Common symptoms include the engine overheating at idle or low speeds, a weak or non-existent stream of water from the "tell-tale" outlet, and in severe cases, an engine overheat alarm.
How often should I replace my outboard's impeller?
For preventative maintenance, it is recommended to inspect and/or replace the impeller every 1-2 years or every 100-200 hours of operation, whichever comes first. This interval can be shorter if you frequently operate in sandy, silty, or saltwater conditions.
Can I install this impeller myself?
Yes, replacing an impeller is a common maintenance task for those with mechanical experience. However, it requires lowering the gearcase. If you are not comfortable with this procedure, professional installation is recommended to ensure correct assembly and function.
What is the difference between OEM and this aftermarket part?
This listing is an aftermarket replacement, not an original equipment manufacturer (OEM) part. It has been built to meet or exceed OEM-level specifications with comparable high-quality materials. Our parts are manufactured in an ISO 9002 facility and are batch-inspected for quality and consistency.
What are your shipping speeds and costs?
We ship worldwide quickly—typical transit is 5–15 days. Standard shipping is free for most orders, with expedited options available at checkout where applicable.
What is the warranty and return policy?
This part is covered by a 1-year warranty against manufacturing defects under normal use. If you encounter any issues, please contact our support team with your order details. Returns are accepted within our standard window for unused items in their original condition. See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
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