Water Pump Impeller – Fits Yamaha 225HP/250HP/300HP 4-Stroke Outboards (Replaces 6CE-44352-00-00, 6CE-44352-01, 6CE-44352-03)
Water Pump Impeller – Fits Yamaha 225HP/250HP/300HP 4-Stroke Outboards (Replaces 6CE-44352-00-00, 6CE-44352-01, 6CE-44352-03) 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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Water Pump Impeller – Fits Yamaha 225HP/250HP/300HP 4-Stroke Outboa...
Water Pump Impeller – Fits Yamaha 225HP/250HP/300HP 4-Stroke Outboards (Replaces 6CE-44352-00-00, 6CE-44352-01, 6CE-44352-03) is backordered and will ship as soon as it is back in stock.
Product Details
This Water Pump Impeller – Fits Yamaha 225HP/250HP/300HP 4-Stroke Outboards (Replaces 6CE-44352-00-00/6CE-44352-01/6CE-44352-03) is designed for reliable performance in Yamaha F225, F250, and F300 4.2L V6 4-stroke outboard engines from 2006 and later. It serves as a direct-fit replacement for the original impeller, ensuring your engine's cooling system functions at peak efficiency.
This component is a direct interchange for Yamaha part numbers 6CE-44352-00-00, 6CE-44352-01, and 6CE-44352-03, as well as Sierra 18-45617 and Mercury/Quicksilver 8M6010334, offering a seamless fit and equivalent performance.
- Installs directly into the OEM water pump housing without modification.
- Engineered for clockwise rotation to meet Yamaha V6 4.2L engine requirements.
- Constructed from durable neoprene and plastic to withstand the marine environment.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Yamaha | 6CE-44352-00-00 |
| Yamaha | 6CE-44352-01 |
| Yamaha | 6CE-44352-03 |
| Sierra | 18-45617 |
| Mercury/Quicksilver | 8M6010334 |
| Full Power Plus | 18-3516 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
For Yamaha owners, this impeller fits a wide range of 225, 250, and 300 HP 4.2L V6 models from 2006 onward, including standard and counter-rotation (L/LF) variants. Please check your specific model designation against the list.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Yamaha | F225 | 225 | 4-Stroke | 2006 and Later | 6CE-44352-00-00 | Superseded by 6CE-44352-01 |
| Yamaha | F250 | 250 | 4-Stroke | 2006 and Later | 6CE-44352-00-00 | Superseded by 6CE-44352-01 |
| Yamaha | F300 | 300 | 4-Stroke | 2006 and Later | 6CE-44352-00-00 | Superseded by 6CE-44352-01 |
| Yamaha | LF225 | 225 | 4-Stroke | 2006 and Later | 6CE-44352-00-00 | Superseded by 6CE-44352-01 |
| Yamaha | LF250 | 250 | 4-Stroke | 2006 and Later | 6CE-44352-00-00 | Superseded by 6CE-44352-01 |
| Yamaha | F225NCA | 225 | 4-Stroke | 2014–2016 | 6CE-44352-00-00 | |
| Yamaha | F225XB | 225 | 4-Stroke | 2016 | 6CE-44352-00-00 | |
| Yamaha | F225XCA | 225 | 4-Stroke | 2010–2016 | 6CE-44352-00-00 | Models include 0112, 0113, 0114, 0115, 0116, 0210, 0411 |
| Yamaha | F250DET1X | 250 | 4-Stroke | 2010 | 6CE-44352-00-00 | |
| Yamaha | F250NCA | 250 | 4-Stroke | 2014–2016 | 6CE-44352-00-00 | |
| Yamaha | F250UCA | 250 | 4-Stroke | 2010–2016 | 6CE-44352-00-00 | Models include 0112, 0113, 0114, 0115, 0116, 0210, 0411 |
| Yamaha | F250XB | 250 | 4-Stroke | 2016 | 6CE-44352-00-00 | |
| Yamaha | F250XCA | 250 | 4-Stroke | 2010–2016 | 6CE-44352-00-00 | Models include 0112, 0113, 0114, 0115, 0116, 0210, 0411 |
| Yamaha | F300BET1U | 300 | 4-Stroke | 2010 | 6CE-44352-00-00 | |
| Yamaha | F300BETU | 300 | 4-Stroke | 2016 | 6CE-44352-00-00 | |
| Yamaha | F300BETX | 300 | 4-Stroke | 2016 | 6CE-44352-00-00 | |
| Yamaha | F300NCA | 300 | 4-Stroke | 2014–2016 | 6CE-44352-00-00 | |
| Yamaha | F300UCA | 300 | 4-Stroke | 2010–2016 | 6CE-44352-00-00 | Models include 0112, 0113, 0114, 0115, 0116, 0210, 0411 |
| Yamaha | F300Xca | 300 | 4-Stroke | 2010–2016 | 6CE-44352-00-00 | Models include 0112, 0113, 0114, 0115, 0116, 0210, 0411 |
| Yamaha | FL250DET1X | 250 | 4-Stroke | 2010 | 6CE-44352-00-00 | |
| Yamaha | FL300BET1U | 300 | 4-Stroke | 2010 | 6CE-44352-00-00 | |
| Yamaha | FL300BET1X | 300 | 4-Stroke | 2010 | 6CE-44352-00-00 | |
| Yamaha | FL300BETU | 300 | 4-Stroke | 2016 | 6CE-44352-00-00 | |
| Yamaha | FL300BETX | 300 | 4-Stroke | 2016 | 6CE-44352-00-00 | |
| Yamaha | LF225XB | 225 | 4-Stroke | 2016 | 6CE-44352-00-00 | |
| Yamaha | LF225XCA | 225 | 4-Stroke | 2010–2016 | 6CE-44352-00-00 | Models include 0112, 0113, 0114, 0115, 0116, 0210, 0411 |
| Yamaha | LF250UCA | 250 | 4-Stroke | 2010–2016 | 6CE-44352-00-00 | Models include 0112, 0113, 0114, 0115, 0116, 0210, 0411 |
| Yamaha | LF250XB | 250 | 4-Stroke | 2016 | 6CE-44352-00-00 | |
| Yamaha | LF250XCA | 250 | 4-Stroke | 2010–2016 | 6CE-44352-00-00 | Models include 0112, 0113, 0114, 0115, 0116, 0210, 0411 |
| Yamaha | LF300UCA | 300 | 4-Stroke | 2010–2016 | 6CE-44352-00-00 | Models include 0112, 0113, 0114, 0115, 0116, 0210, 0411 |
| Yamaha | LF300XCA | 300 | 4-Stroke | 2010–2016 | 6CE-44352-00-00 | Models include 0112, 0113, 0114, 0115, 0116, 0210, 0411 |
| Yamaha | VF250XA | 250 | 4-Stroke | 2015–2016 | 6CE-44352-00-00 |
Technical Specs
- Product Type
- Outboard Water Pump Impeller
- Installation
- Direct replacement in OEM water pump housing
- Material
- Neoprene and Plastic
- Number of Blades
- 6
- Dimensions
- Height: 36 mm (1.417 in), Overall Diameter: 90 mm (3.543 in), Shaft Diameter: 24.6 mm (0.969 in)
- Weight
- 90 g (0.2 lb)
- Other Technical Attributes
- Requires clockwise rotation for proper operation
What’s in the Box
- 1 x Water Pump Impeller (Replaces 6CE-44352-00-00/6CE-44352-01/6CE-44352-03)
Installation Notes
Replacing your water pump impeller is a critical maintenance task. The following are general, model-agnostic steps. Refer to your specific service manual for detailed instructions.
- Disconnect the battery and shift the outboard into neutral.
- Remove the lower unit (gearcase) by unbolting it from the engine's midsection.
- Locate and unbolt the water pump housing cover to expose the old impeller.
- Remove the old impeller, taking note of the direction the blades are curved.
- Clean the housing and install the new impeller. Ensure the blades are curved in the correct (clockwise) direction by turning the driveshaft while seating the housing.
- Replace gaskets and reassemble the water pump housing, torquing bolts to spec.
- Reinstall the lower unit, ensuring the water tube and shift shaft are correctly aligned.
- Once fully assembled, reconnect the battery and test the engine using a water supply (flushing muffs) to verify water is pumping from the tell-tale port.
Troubleshooting & FAQ
How do I know if this impeller fits my Yamaha outboard?
This impeller is specifically for Yamaha's 4.2L V6 four-stroke models (F225, F250, F300, and their variants) from 2006 and newer. Always check your engine's model and year against our compatibility table before ordering. Cross-reference your existing part number with the numbers in our Part Number Matrix for confirmation.
What are the signs of a failing water pump impeller?
Common symptoms include a weak or non-existent water stream from the "tell-tale" outlet, engine overheating alarms, and in severe cases, steam from the exhaust. Reduced top-end performance can also be an early indicator, as the ECU may limit RPMs to prevent damage from high temperatures.
How often should I replace my impeller?
As a general maintenance rule, it is recommended to inspect your impeller annually and replace it 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.
Is clockwise rotation important for this impeller?
Yes, it is critical. This impeller is designed for engines that require a clockwise rotating pump, which includes the specified Yamaha 4.2L V6 models. Installing it in an engine that requires counter-clockwise rotation will result in no water flow and will lead to immediate engine overheating.
What is the difference between this impeller and the OEM part?
This is an aftermarket part designed to meet or exceed OEM specifications for fit, material, and performance. It is made from high-quality neoprene and plastic compounds to ensure durability and a reliable service life, offering a cost-effective alternative to the original Yamaha part without compromising on cooling efficiency.
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 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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