Water Pump Outer Plate – Fits Parsun, Hidea and Yamaha 9.9–15 HP 2-Stroke Outboards (Replaces Yamaha 63V-44323-00)
Water Pump Outer Plate – Fits Parsun, Hidea and Yamaha 9.9–15 HP 2-Stroke Outboards (Replaces Yamaha 63V-44323-00) 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 Outer Plate – Fits Parsun, Hidea and Yamaha 9.9–15 HP 2-...
Water Pump Outer Plate – Fits Parsun, Hidea and Yamaha 9.9–15 HP 2-Stroke Outboards (Replaces Yamaha 63V-44323-00) is backordered and will ship as soon as it is back in stock.
Product Details
This stainless steel water pump outer plate is a replacement component for the water pump assembly used in selected Parsun, Hidea and Yamaha 9.9 HP and 15 HP 2-stroke outboard motors. It installs in the lower-unit water pump assembly and is intended to help restore the correct condition of the pump plate during water pump service.
The plate is supplied as a single replacement component and is listed as a replacement for the Yamaha reference number 63V-44323-00. Always compare the reference number, plate design and dimensions with the component removed from your engine before ordering.
- Replacement outer plate for selected 2-stroke outboard water pump assemblies.
- Stainless steel construction for resistance to normal marine corrosion.
- Suitable for use as part of a water pump service on compatible gasoline outboard motors.
- Single-component replacement; impeller, gaskets, housing and other service parts are not included.
Part Number Reference
The following manufacturer reference is associated with this replacement component. It is not a statement that every engine using the number has identical fitment; confirm the complete engine model and service-manual application before installation.
| Brand | Reference Number |
|---|---|
| Yamaha | 63V-44323-00 |
| Parsun | 63V-44323-00 reference application |
| Hidea | 63V-44323-00 reference application |
Engine and Model Compatibility
This replacement is intended for selected Yamaha, Parsun and Hidea 9.9–15 HP 2-stroke outboards. Model codes, production years, shaft configurations and serial-number ranges can affect fitment. Use the table as a reference only and verify the exact model code and the number stamped on the original plate before purchase.
| Brand | Model or Model Family | Rated HP | Stroke | Reference Year or Range | Reference Number | Fitment Note |
|---|---|---|---|---|---|---|
| Yamaha | 15ELHU, 15ELRU, 15ESHU, 15MLHU, 15MSHU | 15 | 2-Stroke | 1996 reference application | 63V-44323-00 | Confirm the exact model code before ordering. |
| Yamaha | 9.9ELHU, 9.9ELRU, 9.9ESHU, 9.9MLHU, 9.9MSHU | 9.9 | 2-Stroke | 1996 reference application | 63V-44323-00 | Confirm the exact model code before ordering. |
| Yamaha | 15ELHV, 15ESHV, 15MLHV, 15MSHV | 15 | 2-Stroke | 1997 reference application | 63V-44323-00 | Confirm the exact model code before ordering. |
| Yamaha | 9.9ELHV, 9.9ELRV, 9.9ESHV, 9.9MLHV, 9.9MSHV | 9.9 | 2-Stroke | 1997 reference application | 63V-44323-00 | Confirm the exact model code before ordering. |
| Yamaha | Other selected 9.9 and 15 HP models | 9.9–15 | 2-Stroke | Verify by model and serial number | 63V-44323-00 | Do not rely on horsepower alone to establish fitment. |
| Parsun | Selected 15 HP models | 15 | 2-Stroke | Verify by model and serial number | 63V-44323-00 reference | Compare the original outer plate before ordering. |
| Hidea | Selected 15 HP models | 15 | 2-Stroke | Verify by model and serial number | 63V-44323-00 reference | Compare the original outer plate before ordering. |
Technical Specifications
- Product Type
- Water pump outer plate
- Material
- Stainless steel
- Installation
- Replacement component for the compatible lower-unit water pump assembly
- Application
- Selected Parsun, Hidea and Yamaha gasoline outboards
- Engine Type
- Selected 2-stroke outboard motors
- Reference Number
- Yamaha 63V-44323-00
- Product Configuration
- Single outer plate; not a complete water pump repair kit
What's in the Box
- 1 × Stainless steel water pump outer plate
Not included: impeller, gasket, water pump housing, key, seals, fasteners or other water pump service components.
Installation Notes
- Disconnect the battery and follow the safety instructions in the engine service manual.
- Place the outboard in a secure position and remove the lower unit according to the manufacturer's procedure.
- Expose the water pump assembly and remove the housing and the old outer plate.
- Inspect the impeller, key, gasket, pump housing and related components for wear or damage.
- Clean the mating surfaces and confirm that the replacement plate matches the removed part.
- Install the outer plate in the correct orientation and reassemble the water pump using the service-manual procedure.
- Reinstall the lower unit and complete any required gearcase-oil service.
- Run the engine only with an appropriate water supply and confirm a steady tell-tale stream before normal operation.
Lower-unit removal and water-pump service require mechanical knowledge. If you are not familiar with outboard service, use a qualified marine technician.
Troubleshooting and FAQ
How do I confirm that this plate fits my engine?
Check the complete engine model code, horsepower, stroke, year and serial-number range against the manufacturer's service information. Also compare the reference number, shape and mounting details of the existing plate. Horsepower alone is not sufficient to confirm fitment.
What are signs that the water pump assembly needs service?
A weak or missing tell-tale stream, overheating, visible scoring or corrosion, or an impeller that is cracked, hardened or missing vanes can indicate that the water pump assembly requires inspection.
Does this product include a complete water pump kit?
No. This listing is for one outer plate only. Inspect the complete pump assembly and replace the impeller, gasket and other worn components separately as required.
Can the engine be run without water during installation?
No. Never run an outboard without an adequate water supply. Even a brief dry run can damage the impeller and other pump components.
Is sealant required?
Use only the lubricants, gaskets and sealants specified by the engine manufacturer's service manual. Do not apply sealant to passages or surfaces where it could restrict water flow.
Is this an OEM part?
This is an aftermarket replacement component listed for the Yamaha 63V-44323-00 reference application. It is not represented as a genuine Yamaha-manufactured part.
What is the return policy?
Return eligibility and timing are governed by the applicable store policy. Contact support before installation if the part does not match your original component or if you need help confirming fitment.
Safety and Important Information
- Verify the complete model, year, stroke, shaft configuration and serial-number range before ordering.
- Compare the replacement plate with the original part before installation.
- Do not use this component if its shape, mounting details or reference number do not match your application.
- Follow the engine manufacturer's service procedures and torque specifications.
- Professional installation is recommended for lower-unit and water-pump work.
About Sea Sierra
- Marine Replacement Parts — Components selected for common outboard maintenance and repair applications.
- Application-Focused Listings — Product information is organized around model, engine type and replacement-reference checks.
- Support Before Installation — Contact support with your complete engine model and original-part details if fitment is uncertain.
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