Water Pump Impeller for Evinrude / Johnson Outboards, 20–35 HP (OEM 395289, 777818, 395265)
Water Pump Impeller for Evinrude / Johnson Outboards, 20–35 HP (OEM 395289, 777818, 395265) 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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Water Pump Impeller for Evinrude / Johnson Outboards, 20–35 HP (OEM 395289, 777818, 395265) is backordered and will ship as soon as it is back in stock.
Product Details
This aftermarket Water Pump Impeller is designed for specified Evinrude and Johnson outboard applications from 20 HP through 35 HP. Replacing a worn impeller helps restore water-pump circulation and supports proper engine cooling during marine operation.
The impeller is listed for Evinrude and Johnson outboards within the model and year ranges shown below. Always compare your engine model, production year, existing impeller and applicable part number before ordering.
- Single aftermarket water pump impeller.
- Designed as a replacement water-pump component for specified Evinrude and Johnson outboards.
- Cross-references include OEM numbers 0395289, 0777818, 0395265, 395289, 777818 and 395265.
- Aftermarket references include SEI Marine 96-362-03 and 96-362-03E, OBR JE-209, Mallory Marine 9-45200, GLM 89750 and Sierra Marine 18-3051.
Part Number Matrix
Use the following references together with your engine model and year to help identify the correct replacement.
| Reference Type | Brand or Source | Part Number |
|---|---|---|
| OEM reference | Evinrude / Johnson / OMC / BRP | 0395289 / 395289 |
| OEM reference | Evinrude / Johnson / OMC / BRP | 0777818 / 777818 |
| OEM reference | Evinrude / Johnson / OMC / BRP | 0395265 / 395265 |
| Aftermarket reference | SEI Marine | 96-362-03 / 96-362-03E |
| Aftermarket reference | OBR | JE-209 |
| Aftermarket reference | Mallory Marine | 9-45200 |
| Aftermarket reference | GLM | 89750 |
| Aftermarket reference | Sierra Marine | 18-3051 |
Engine & Model Compatibility
Fitment is limited to the Evinrude and Johnson applications listed below. The brand, horsepower and year range must match your engine together; horsepower alone is not sufficient for confirmation.
| Brand | Engine Application | Rated HP | Years | Applicable OEM References |
|---|---|---|---|---|
| Evinrude | Outboard | 20 HP | 1985–1997 | 0395289, 0777818, 0395265 |
| Evinrude | Outboard | 25 HP | 1979–1998 | 0395289, 0777818, 0395265 |
| Evinrude | Outboard | 28 HP | 1985–1996 | 0395289, 0777818, 0395265 |
| Evinrude | Outboard | 30 HP | 1980–1998 | 0395289, 0777818, 0395265 |
| Evinrude | Outboard | 35 HP | 1978–1998 | 0395289, 0777818, 0395265 |
| Johnson | Outboard | 20 HP | 1985–1997 | 0395289, 0777818, 0395265 |
| Johnson | Outboard | 25 HP | 1979–2005 | 0395289, 0777818, 0395265 |
| Johnson | Outboard | 28 HP | 1985–1995 | 0395289, 0777818, 0395265 |
| Johnson | Outboard | 30 HP | 1980–2005 | 0395289, 0777818, 0395265 |
| Johnson | Outboard | 35 HP | 1978–2005 | 0395289, 0777818, 0395265 |
Technical Specs
- Product Type
- Water Pump Impeller
- Product Configuration
- Single replacement component; not a repair kit
- Application
- Evinrude / Johnson outboard water-pump cooling systems
- Reference Outside Diameter
- Approximately 1.975 in (50.2 mm)
- Reference Inside Diameter
- Approximately 0.625 in (15.9 mm)
- Installation
- Replacement installation in the water-pump assembly
What’s in the Box
- 1 x Water Pump Impeller
This listing is for the impeller only. A drive key, pin, gasket, wear plate or other water-pump components are not included unless specifically stated for the purchased item. Check the existing pump assembly and service information before installation.
Installation Notes
- Disconnect the battery and ignition system and follow the applicable outboard service-manual safety procedures.
- Place the outboard in neutral and remove the lower unit according to the manufacturer's procedure.
- Remove the water-pump housing and carefully take out the old impeller.
- Inspect the housing, wear plate, driveshaft keyway and drive key for wear, corrosion or damage.
- Clean the pump housing and surrounding components before installing the replacement impeller.
- Confirm that the correct drive key is present and properly seated; this product listing does not include a key.
- Install the impeller in the correct orientation for the pump's direction of rotation and lubricate it only with a suitable marine-safe lubricant.
- Reassemble the water-pump housing and lower unit using the manufacturer's specified torque and sealing procedures.
- Run the engine only with an adequate water supply and verify a strong cooling-water telltale stream before normal operation.
Troubleshooting & FAQ
How can I confirm this impeller fits my specific engine?
Match the engine brand, horsepower and year range in the compatibility table, then compare the applicable OEM or aftermarket reference with your existing part or service manual. Also compare the impeller dimensions and pump configuration. If any of these details differ, do not assume compatibility from horsepower alone.
What are the signs of a failing water-pump impeller?
Common symptoms include overheating at idle or low speed, a weak or missing telltale stream, steam from the exhaust and visible cracking, brittleness or missing blades on the removed impeller. Stop operating the engine if overheating occurs.
How often should I replace the impeller?
Inspect the impeller according to the engine manufacturer's maintenance schedule and replace it when it shows wear, deformation, cracking or loss of flexibility. Replacement intervals can be shorter in sandy, silty or saltwater conditions.
Does this listing include the drive key or pin?
No. The package contains one water pump impeller only. Retain the original drive key if it is serviceable, or obtain the correct replacement key separately for your specific pump assembly.
Is this an OEM part?
No. This is an aftermarket replacement impeller. The OEM and aftermarket numbers shown above are reference numbers used to help identify compatible applications and are not a statement that this product was manufactured by the original equipment brand.
What should I do before ordering?
Verify the engine brand, horsepower, year, model information and part-number reference. Compare the old impeller with the listed dimensions and confirm whether your pump requires a separate key, gasket or other service components.
Safety & Important Information
- Use the compatibility table as an application guide, not as a substitute for the engine service manual.
- Disconnect power before disassembly and support the outboard securely when removing the lower unit.
- Do not run the engine without an adequate water supply.
- This is an aftermarket replacement component, not an original equipment part.
- Professional installation is recommended when lower-unit or water-pump service is unfamiliar.
About Sea Sierra
- Marine Replacement Parts — We provide aftermarket marine components for repair and maintenance applications.
- Application-Focused Listings — Product references and fitment details are provided to help customers compare their existing part and engine information.
- Customer Support — Contact our support team with your engine model, year and existing part details if you need help reviewing the application information.
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