Impeller Kit with Key – Fits Yamaha 40HP 50HP 55HP 60HP 70HP (Replaces 6H3-44352-01, 697-44352-00)
Impeller Kit with Key – Fits Yamaha 40HP 50HP 55HP 60HP 70HP (Replaces 6H3-44352-01, 697-44352-00) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
Orders are typically processed within 1–2 business days.
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Impeller Kit with Key – Fits Yamaha 40HP 50HP 55HP 60HP 70HP (Repla...
Impeller Kit with Key – Fits Yamaha 40HP 50HP 55HP 60HP 70HP (Replaces 6H3-44352-01, 697-44352-00) is backordered and will ship as soon as it is back in stock.
Product Details
This Impeller Kit with Key is engineered for Yamaha 2-stroke and 4-stroke outboards ranging from 40HP to 70HP. Compatible with models spanning from 1990 through 2003 and beyond, it covers a wide range of Yamaha series including standard, commercial, high-thrust, and tiller configurations across both carbureted and fuel-injected platforms.
This kit directly replaces Yamaha OEM part numbers 6H3-44352-01 and 697-44352-00, providing an aftermarket interchange for routine water pump maintenance.
- Includes impeller and drive key for complete installation
- Designed for both 2-stroke and 4-stroke Yamaha outboards
- Suitable for freshwater and saltwater applications
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Notes |
|---|---|---|
| Yamaha | 6H3-44352-01 | OEM equivalent |
| Yamaha | 697-44352-00 | OEM equivalent |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
| Brand | Stroke | Rated HP | Model | Years |
|---|---|---|---|---|
| Yamaha | 2-Stroke | 40 | 40, C40, 40V, 40Y, P40 | 1997+ |
| Yamaha | 2-Stroke | 50 | T50, T60 | 1997+ |
| Yamaha | 2-Stroke | 50 | 50, C50, 50G, 50H, 55B, Pro50, P50 | 1997+ |
| Yamaha | 2-Stroke | 50 | P50, P60 | 1990–1996 |
| Yamaha | 2-Stroke | 55 | C55 | 1990–1991 |
| Yamaha | 2-Stroke | 60 | 40, 50 | 1997+ |
| Yamaha | 2-Stroke | 60 | E60 | 1997–2000 |
| Yamaha | 2-Stroke | 60 | 60, C60, P60, 60F | 1997–2003 |
| Yamaha | 2-Stroke | 70 | 70, 70B, C70 | 1997–2003 |
| Yamaha | 4-Stroke | 40 | F40A, F40C, F45A | |
| Yamaha | 4-Stroke | 50 | F50A, F50B, F50F, FT50B, FT50C, FT50G | |
| Yamaha | 4-Stroke | 60 | F60A, F60C, FT60B, FT60D | |
| Yamaha | 4-Stroke | 70 | F70A |
Technical Specs
- Application
- Yamaha 2-stroke and 4-stroke outboards 40–70 HP
- Replaces OEM
- 6H3-44352-01, 697-44352-00
- Material
- Rubber impeller with metal drive key
- Environment
- Freshwater and saltwater
What's in the Box
- Outboard Rubber Impeller with Key / Pin
Installation Notes
- Disconnect the battery and drain the lower unit if required by your model.
- Remove the water pump housing cover and gasket to access the old impeller.
- Note the rotation direction of the existing impeller before removal.
- Carefully extract the old impeller and remove the drive key from the shaft.
- Inspect the impeller housing for scoring, corrosion, or debris; clean thoroughly.
- Lubricate the new impeller blades with glycerin or water-pump grease.
- Install the new drive key onto the driveshaft, ensuring it seats fully in the keyway.
- Slide the new impeller onto the shaft, bending the vanes in the direction of rotation.
- Replace gaskets and O-rings as needed; install the housing cover and secure fasteners to spec.
- Reconnect the battery, run a water test, and confirm steady coolant flow from the tell-tale.
Troubleshooting & FAQ
How do I know if my impeller needs replacing?
Common signs include overheating, weak or absent tell-tale stream, and visible cracks or missing vanes during inspection. Replace the impeller annually or every 200–300 hours of operation as preventive maintenance.
Will this kit fit both 2-stroke and 4-stroke models?
Yes. This impeller kit is designed for both 2-stroke and 4-stroke Yamaha outboards in the 40–70 HP range, as detailed in the compatibility table above.
What is the drive key included for?
The drive key locks the impeller to the driveshaft and transmits rotational force. Always replace it along with the impeller to prevent slippage or misalignment.
Can I use this impeller in saltwater?
Yes. The rubber compound and construction are suitable for both freshwater and saltwater environments. Rinse the cooling system with fresh water after every saltwater outing to extend impeller life.
Do I need any special tools for installation?
Basic hand tools—screwdrivers, socket set, and gasket scraper—are typically sufficient. A torque wrench is recommended for reassembly to manufacturer specifications.
What if the new impeller won't slide on easily?
Lubricate the vanes with glycerin or water-pump grease and bend them gently in the direction of shaft rotation. Never force the impeller; inspect the shaft and housing for burrs or debris.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications against 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.
Payment & Security
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