Fixed Plate Water Pump – Fits Yamaha E9.9D & E15D Outboards (Replaces 682-44328-00)
Fixed Plate Water Pump – Fits Yamaha E9.9D & E15D Outboards (Replaces 682-44328-00) 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 Fixed Plate Water Pump – Fits Yamaha E9.9D & E15D Outboards (Replaces 682-44328-00) is an aftermarket component designed for compatibility with Yamaha 9.9HP and 15HP E-series outboard engines. It plays a critical role in the water pump assembly, ensuring proper cooling system circulation.
This part serves as a direct replacement for Yamaha part numbers 682-44328-00, 682-44328-00-00, and Mercury 94624M.
- Engineered for direct, hassle-free installation.
- Constructed from durable materials for reliable marine use.
- Forms an essential seal within the water pump housing.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Yamaha | 682-44328-00 |
| Yamaha | 682-44328-00-00 |
| Mercury | 94624M |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
For Yamaha engines, this plate is specifically designed for E9.9D and E15D models.
| Brand | Model | Rated HP | Stroke | OEM Part No. |
|---|---|---|---|---|
| Yamaha | E9.9D | 9.9 | 2-Stroke | 682-44328-00 |
| Yamaha | E15D | 15 | 2-Stroke | 682-44328-00 |
Technical Specs
- Product Type
- Fixed Plate Water Pump
- Installation
- Direct replacement
- Housing Material
- Metal
- Housing Color
- Silver/metallic
- Product Dimensions
- 7.0" x 11.0" x 0.01"
- Other Technical Attributes
- Part of water pump assembly; critical for proper water flow circulation
What’s in the Box
- 1 x Fixed Plate Water Pump (682-44328-00)
Installation Notes
- Disconnect the spark plug leads and battery for safety.
- Place a drain pan under the lower unit and remove the drain screw to empty the gear oil.
- Unbolt and carefully lower the outboard's lower unit (gearcase) to access the water pump.
- Remove the water pump housing bolts and cover to expose the impeller and liner plate.
- Remove the old fixed plate, noting its orientation. Clean all mating surfaces thoroughly.
- Install the new fixed plate, ensuring it is seated correctly.
- Reassemble the water pump assembly with any other new components (like impeller and gaskets) as needed.
- Secure the water pump housing and reinstall the lower unit.
- Refill the gearcase with the correct grade and amount of oil before starting the engine.
Troubleshooting & FAQ
How can I confirm this plate fits my specific outboard?
The surest way is to match the part number. Check your engine's service manual or existing part for the number 682-44328-00. You can also verify against the Engine & Model Compatibility table provided on this page.
What are signs of a warped or worn water pump plate?
Common symptoms include engine overheating at idle or low speeds, a weak water stream from the "tell-tale" outlet, and visible scoring, warping, or corrosion on the plate surface during inspection.
How often should the water pump assembly be serviced?
For preventative maintenance, it is best practice to inspect the entire water pump assembly, including the fixed plate, annually or every 100 hours of operation, whichever comes first. Replace components that show any signs of wear.
Can a worn plate cause damage to other parts?
Yes. A warped or scored plate can reduce the impeller's efficiency, leading to inadequate cooling and potential engine damage. It can also cause premature wear on the new impeller itself.
Is professional installation necessary?
While DIY installation is possible for those with mechanical experience, professional installation is always recommended to ensure correct assembly, torque specifications, and sealing, which are vital for engine safety and performance.
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.
Payment & Security
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