Aftermarket Water Pump Impeller for Evinrude Johnson 85–125 HP 2-Stroke Outboards, 1969–1972
Aftermarket Water Pump Impeller for Evinrude Johnson 85–125 HP 2-Stroke Outboards, 1969–1972 is backordered and will ship as soon as it is back in stock.
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Aftermarket Water Pump Impeller for Evinrude Johnson 85–125 HP 2-St...
Aftermarket Water Pump Impeller for Evinrude Johnson 85–125 HP 2-Stroke Outboards, 1969–1972 is backordered and will ship as soon as it is back in stock.
Product Details
This aftermarket marine water pump impeller is designed for selected Evinrude and Johnson 2-stroke outboards from 85 HP through 125 HP. Installed in the lower-unit water pump, the impeller circulates cooling water through the engine to help maintain proper operating temperature.
The listed application range covers Evinrude and Johnson 85 HP models from 1969–1972, 100 HP models from 1969–1972, 115 HP models from 1969–1972, and 125 HP models from 1971–1972. Confirm the exact model and year before ordering.
This impeller is cross-referenced with Johnson/Evinrude/OMC numbers and aftermarket references shown below. These reference numbers identify the intended replacement application; they are not claims that this aftermarket part is manufactured by the original equipment brand.
- Product type: Water pump impeller
- Application: Evinrude and Johnson outboard cooling systems
- Engine type: 2-stroke outboards
- Installation location: Lower unit / gearcase water pump
- Package contents: One aftermarket water pump impeller
Part Number Matrix
Use the following manufacturer and aftermarket references to compare with the impeller currently installed in your outboard.
| Brand or reference | Part number |
|---|---|
| Johnson/Evinrude/OMC | 0385072 |
| Johnson/Evinrude/OMC | 0383334 |
| Johnson/Evinrude/OMC | 0384799 |
| Johnson/Evinrude/OMC | 0777832 |
| Johnson/Evinrude/OMC | 385072 |
| Johnson/Evinrude/OMC | 383334 |
| Johnson/Evinrude/OMC | 384799 |
| Johnson/Evinrude/OMC | 777832 |
| Sierra Marine | 18-3044 |
| CEF | 500306 |
| Mallory Marine | 9-45220 |
| GLM | 89612 |
| SEI Marine | 96-399-08E |
Engine & Model Compatibility
Compatibility depends on the complete engine application. Match the brand, horsepower, stroke, model year, and the impeller reference number before installation.
| Brand | Rated HP | Stroke | Years | Example catalog models | Reference number |
|---|---|---|---|---|---|
| Evinrude / Johnson | 85 | 2-Stroke | 1969–1972 | Examples include 85-series models | 0385072 / 385072 |
| Evinrude / Johnson | 100 | 2-Stroke | 1969–1972 | Examples include 100-series models | 0385072 / 385072 |
| Evinrude / Johnson | 115 | 2-Stroke | 1969–1972 | Examples include 115-series models | 0385072 / 385072 |
| Evinrude / Johnson | 125 | 2-Stroke | 1971–1972 | Examples include 125-series models | 0385072 / 385072 |
Technical Specifications
- Product type
- Aftermarket water pump impeller
- Application
- Evinrude and Johnson 2-stroke outboards
- Installation location
- Lower unit / gearcase water pump
- Intended engine range
- 85–125 HP within the listed model years and applications
- Primary reference
- Johnson/Evinrude/OMC 0385072 and 385072
What’s in the Box
- 1 × aftermarket water pump impeller
The listing is for the impeller only. Check the condition and required specification of the water pump key, housing, gaskets, and seals before beginning the repair; replace worn related components as needed.
Installation Notes
- Disconnect the battery and place the outboard in neutral.
- Remove the lower unit according to the engine manufacturer’s service procedure.
- Remove the water pump cover to access the old impeller.
- Note the original impeller blade direction and remove the old impeller.
- Inspect the key, pump housing, plate, gaskets, and seals. Replace worn or damaged components before reassembly.
- Clean the pump surfaces and install the replacement impeller with the existing or correctly specified key.
- Rotate the driveshaft in the correct direction while seating the impeller blades into the pump housing.
- Reinstall the pump cover and lower unit, tightening fasteners according to the engine manufacturer’s specifications.
- Run the engine only with an appropriate water supply and verify a strong tell-tale stream and normal cooling operation.
Professional installation is recommended if you are not familiar with outboard lower-unit service procedures.
Troubleshooting & FAQ
How do I know if my impeller needs replacing?
Common signs include a weak or missing tell-tale stream, overheating warnings, or reduced cooling performance, especially at idle. A damaged impeller may also have cracked, stiff, missing, or permanently deformed blades.
How often should an outboard impeller be replaced?
Inspect the impeller during regular service and replace it according to the engine manufacturer’s maintenance schedule and the conditions in which the boat operates. Saltwater, sand, silt, long storage periods, and frequent use can accelerate wear.
Will this fit every Evinrude or Johnson 85–125 HP engine?
No. Fitment is limited to the listed horsepower, stroke, and model-year applications. Match the complete engine model and the old impeller or reference number before purchase. Do not rely on horsepower alone.
Is this an OEM part?
No. This listing is for an aftermarket replacement impeller. Evinrude, Johnson, OMC, Sierra, CEF, Mallory, GLM, and SEI references are provided only for application and cross-reference purposes.
Does the package include the key or water-pump gaskets?
The package contains one impeller. The key, housing, gaskets, and seals should be verified and sourced separately unless your specific order or product option states otherwise.
Safety & Important Information
- Confirm the exact brand, horsepower, stroke, model, and year before ordering.
- Compare the replacement impeller with the original part and verify the reference number and dimensions before installation.
- Do not operate an outboard without an adequate water supply.
- Replace damaged pump components and sealing parts before returning the engine to service.
- This is an aftermarket replacement, not an original OEM component.
About Sea Sierra
- Marine replacement parts — Practical aftermarket components for routine outboard maintenance and repair.
- Application-focused listings — Product references and compatibility information are provided to help you compare your engine and original part.
- Support for maintenance decisions — Verify the complete engine application before ordering or installing any cooling-system component.
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