Water Pump Impeller – Fits Yamaha 115-300HP Outboards (Replaces 6E5-44352-01-00)
Water Pump Impeller – Fits Yamaha 115-300HP Outboards (Replaces 6E5-44352-01-00) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
Worry-free returns
You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Product Details
This aftermarket Water Pump Impeller – Fits Yamaha 115-300HP Outboards (Replaces 6E5-44352-01-00) is a crucial component for maintaining your engine's cooling system. It is designed for a broad range of Yamaha 2-Stroke outboards from 1984-up and 4-Stroke models (including F-Series, SHO, and HPDI) from 2000-up, ensuring reliable performance and longevity.
This part is a direct replacement and cross-references with Yamaha parts 6E5-44352-00-00 and 6E5-44352-01-00, as well as Sierra 18-3071, GLM 89930, and Mallory 9-45609.
- Engineered for direct OEM replacement installation.
- Suitable for both saltwater and freshwater applications.
- Package includes one water pump impeller.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Superseded By | Notes |
|---|---|---|---|
| Yamaha | 6E5-44352-00-00 | 6E5-44352-01-00 | Original OEM Number |
| Yamaha | 6E5-44352-01-00 | Current OEM Number | |
| Sierra | 18-3071 | Aftermarket Replacement | |
| GLM | 89930 | Aftermarket Replacement | |
| Mallory | 9-45609 | Aftermarket Replacement |
Engine & Model Compatibility
Confirm your engine model/year in the table below. This part is designed for a wide range of Yamaha engines.
| Brand | Model Series | Rated HP | Stroke | Years | OEM Part No. |
|---|---|---|---|---|---|
| Yamaha | 115, C115, 130 | 115-130 | 2-Stroke | Up to 1992 | 6E5-44352-01-00 |
| Yamaha | 115, C115, S115, S130 | 115-130 | 2-Stroke | 1997–up | 6E5-44352-01-00 |
| Yamaha | 150, P150, 175, 200, 225 | 150-225 | 2-Stroke | Up to 1991 | 6E5-44352-01-00 |
| Yamaha | C150, 150-225, L150-L250 | 150-250 | 2-Stroke | 1996 | 6E5-44352-01-00 |
| Yamaha | S150-S250 | 150-250 | 2-Stroke | 1996 | 6E5-44352-01-00 |
| Yamaha | 225, 250 | 225-250 | 2-Stroke | 1992–up | 6E5-44352-01-00 |
| Yamaha | V6 Special | V6 | 2-Stroke | 1984–1986 | 6E5-44352-01-00 |
| Yamaha | V6 Excel | V6 | 2-Stroke | 1987–1989 | 6E5-44352-01-00 |
| Yamaha | P150-P200, C150 | 150-200 | 2-Stroke | 1997–1999 | 6E5-44352-01-00 |
| Yamaha | PX150 | 150 | 2-Stroke | 1999 | 6E5-44352-01-00 |
| Yamaha | DX150 | 150 | 2-Stroke | 2001–2005 | 6E5-44352-01-00 |
| Yamaha | V/VX/SX/LX Series | 150-250 | 2-Stroke | 1999–2005 | 6E5-44352-01-00 |
| Yamaha | Z/LZ Series | 150-300 | 2-Stroke | 2000–2005 | 6E5-44352-01-00 |
| Yamaha | VZ Series (HPDI) | 150-300 | 2-Stroke | 2001–2013 | 6E5-44352-01-00 |
| Yamaha | F115 | 115 | 4-Stroke | 2000–2005 | 6E5-44352-01-00 |
| Yamaha | F115A | 115 | 4-Stroke | 2006–2013 | 6E5-44352-01-00 |
| Yamaha | F115B | 115 | 4-Stroke | 2014–up | 6E5-44352-01-00 |
| Yamaha | F150 | 150 | 4-Stroke | 2004–up | 6E5-44352-01-00 |
| Yamaha | F150C | 150 | 4-Stroke | 2017–up | 6E5-44352-01-00 |
| Yamaha | F175/F200 (2.8L) | 175-200 | 4-Stroke | 2006–up | 6E5-44352-01-00 |
| Yamaha | F200/F225 (3.3L V6) | 200-225 | 4-Stroke | 2002–2010 | 6E5-44352-01-00 |
| Yamaha | F250 (3.3L) | 250 | 4-Stroke | 2005–up | 6E5-44352-01-00 |
| Yamaha | VF90 - VF250 (SHO) | 90-250 | 4-Stroke | 2009–up | 6E5-44352-01-00 |
Technical Specs
- Product Type
- Water Pump Impeller
- Installation
- Direct OEM Replacement
- Connection
- Center Shaft Mount
- Fitting Type
- Center Drive Shaft
- Housing Material
- Rubber/Neoprene
- Housing Color
- Black
- Dimensions
- 16" L x 14" W x 2.5" H
- Application
- For saltwater and freshwater applications
- Warranty
- Varies by manufacturer (OEM vs Aftermarket)
What’s in the Box
- 1 x Water Pump Impeller (Replaces 6E5-44352-01-00)
Installation Notes
- Disconnect the battery and shift the outboard into neutral.
- Place a drain pan under the lower unit and remove the gear lube drain/fill screws to drain the oil.
- Remove the bolts securing the lower unit (gearcase) to the engine's midsection.
- Carefully lower and remove the lower unit from the driveshaft housing.
- Locate and unbolt the water pump housing cover.
- Remove the old impeller, noting the rotational direction of the vanes.
- Clean any debris or corrosion from the pump housing and wear plate.
- Install the new impeller by turning the driveshaft clockwise while pushing the impeller down into the housing to correctly orient the vanes.
- Re-install the water pump housing and torque its bolts to manufacturer specifications.
- Guide the lower unit back into place, ensuring the driveshaft, shift shaft, and water tube are correctly aligned. Secure with bolts.
- Refill the lower unit with the correct gear lube before starting the engine.
Troubleshooting & FAQ
How do I know if my water pump impeller is failing?
Common signs of a failing impeller include a weak or non-existent water stream from the engine's "tell-tale" diagnostic port, engine overheating alarms, or a noticeable drop in water pressure. Upon inspection, a worn impeller will often appear dry, cracked, brittle, or have deformed or missing vanes.
How often should this impeller be replaced?
For preventative maintenance, it is highly recommended to replace your impeller every 1-2 years or every 100-200 hours of engine operation. Replacement frequency should be increased if you operate primarily in saltwater or in water with high levels of sand or silt.
Will this fit my specific Yamaha model if the year isn't listed?
This impeller is known to fit a very broad range of Yamaha outboards. The best way to ensure compatibility is to cross-reference your engine's original part number with 6E5-44352-01-00. If you cannot find your part number or are unsure, please contact our support team with your engine's model and serial number before ordering.
What is required for proper installation?
You will need standard mechanic's tools, a new gasket kit (recommended), marine-grade grease for splines, and fresh gear lube. The process involves removing the lower unit, replacing the impeller, and reassembling. Ensure the impeller vanes are oriented correctly during installation by turning the driveshaft clockwise.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). It has been built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, it is batch-inspected for quality and consistency.
Shipping speed & cost
We ship worldwide quickly—typical transit is 5–15 days. Standard shipping is free; expedited options will appear at checkout where available.
Warranty & returns
This part is covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details for assistance. 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 and 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 quality control.
Payment & Security
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