Water Pump Impeller for Evinrude Johnson 85–235 HP Outboards, 1973–1978
Water Pump Impeller for Evinrude Johnson 85–235 HP Outboards, 1973–1978 is backordered and will ship as soon as it is back in stock.
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Water Pump Impeller for Evinrude Johnson 85–235 HP Outboards, 1973–...
Water Pump Impeller for Evinrude Johnson 85–235 HP Outboards, 1973–1978 is backordered and will ship as soon as it is back in stock.
Product Details
This aftermarket water pump impeller is listed for Evinrude and Johnson outboard engines from 85 HP through 235 HP, covering the model years and horsepower ranges shown below. It is supplied as one replacement impeller for the engine cooling-water pump.
The company fitment record identifies this product for Evinrude Johnson applications and lists Evinrude, Johnson, OMC, BRP Marine, Mallory Marine, Sierra Marine, GLM Marine, SEI Marine, and CEF reference numbers. Use the exact engine model and year—not horsepower alone—to confirm compatibility before installation.
- Replacement water pump impeller for listed Evinrude and Johnson outboards.
- Single impeller product; this is not a complete water-pump kit.
- One impeller is included; the drive key and other pump-service parts are not included unless separately stated.
- Aftermarket replacement, not an original manufacturer component.
Part Number Matrix
The following are customer-facing OEM and aftermarket reference numbers listed for this impeller. Reference numbers are provided for identification and cross-reference purposes only.
| Brand or source | Reference number |
|---|---|
| Evinrude / Johnson / OMC / BRP Marine | 0777212 |
| Evinrude / Johnson / OMC / BRP Marine | 0777823 |
| Evinrude / Johnson / OMC / BRP Marine | 0389642 |
| Evinrude / Johnson / OMC / BRP Marine | 0385528 |
| Evinrude / Johnson / OMC / BRP Marine | 777212 |
| Evinrude / Johnson / OMC / BRP Marine | 777823 |
| Evinrude / Johnson / OMC / BRP Marine | 389642 |
| Evinrude / Johnson / OMC / BRP Marine | 385528 |
| Mallory Marine | 9-45203 |
| Sierra Marine | 18-3043 |
| GLM Marine | 89680 |
| SEI Marine | 96-399-07E |
| CEF | 500305 |
Engine Compatibility
The company fitment record lists the following Evinrude Johnson horsepower and year applications. Exact model and serial-number verification is recommended because model coverage can vary within a horsepower range.
| Brand | Rated HP | Listed model years | Application note |
|---|---|---|---|
| Evinrude / Johnson | 85 | 1973–1978 | Verify exact engine model |
| Evinrude / Johnson | 115 | 1973–1978 | Verify exact engine model |
| Evinrude / Johnson | 135 | 1973–1976 | Verify exact engine model |
| Evinrude / Johnson | 140 | 1977–1978 | Verify exact engine model |
| Evinrude / Johnson | 150 | 1976–1978 | Verify exact engine model |
| Evinrude / Johnson | 175 | 1976–1978 | Verify exact engine model |
| Evinrude / Johnson | 200 | 1976–1978 | Verify exact engine model |
| Evinrude / Johnson | 235 | 1978 | Verify exact engine model |
Technical Information
- Product type
- Outboard water pump impeller
- Product configuration
- Single replacement impeller
- Application brand
- Evinrude / Johnson Outboard
- Listed engine range
- 85–235 HP, with year coverage shown in the compatibility table
- Replacement type
- Aftermarket replacement component
What’s in the Box
- 1 × water pump impeller
Not included: drive key, housing, wear plate, gaskets, seals, O-rings, lower-unit hardware, or a complete water-pump assembly. Inspect the original parts and replace additional service parts as required by the engine manufacturer’s service procedure.
Installation Notes
- Confirm the exact engine model, year, serial information, and original impeller dimensions before disassembly.
- Disconnect the battery and follow the engine manufacturer’s safety and service instructions.
- Remove the lower unit and water-pump housing according to the appropriate service manual.
- Remove the old impeller and retain the drive key only if it is serviceable; the key is not included with this product.
- Clean the housing, wear plate, and gasket surfaces. Replace damaged, scored, or worn pump components.
- Install the new impeller with the drive key correctly positioned and orient the vanes according to the service manual.
- Reassemble the pump with the required gaskets, seals, and fasteners. Tighten bolts to the manufacturer’s specified torque.
- Reinstall the lower unit and test the cooling-water flow before returning the engine to normal service.
Troubleshooting & FAQ
How do I confirm that this impeller fits my engine?
Match your exact Evinrude or Johnson model and year to the compatibility table, then compare the original impeller and reference number. Horsepower alone is not sufficient to confirm fitment.
What are the signs of a failing water-pump impeller?
Common symptoms include overheating, a weak or missing tell-tale water stream, and reduced cooling-water flow. Do not continue operating an engine that is overheating.
Is the drive key included?
No. This listing is for one impeller only. The drive key is not included and must be reused only if it is undamaged and approved for reuse, or purchased separately.
Does this include a complete water-pump repair kit?
No. The package contains one water pump impeller. Housing, wear plate, gaskets, seals, O-rings, and other pump components are not included.
Can I install this impeller myself?
Installation may be performed by an experienced technician using the correct tools and service information. Professional installation is recommended because correct water-pump assembly is essential to engine cooling.
Is this an OEM part?
No. This is an aftermarket replacement. The reference numbers in the listing are used to help identify compatible applications and replacement references.
How often should an impeller be replaced?
Replacement timing depends on the engine manufacturer’s maintenance schedule, operating hours, storage conditions, and water conditions. Inspect and replace the impeller when required by the service manual or whenever wear, cracking, distortion, or cooling-flow problems are found.
Safety & Important Information
- Verify the exact engine model and year before ordering.
- Compare the replacement part with the original impeller before installation.
- Do not operate an outboard without confirming proper cooling-water flow.
- Use the engine manufacturer’s service manual for disassembly, torque values, vane orientation, and testing procedures.
- This is an aftermarket replacement component, not an OEM component.
About Sea Sierra
- Marine replacement parts — We supply replacement components for common marine service applications.
- Application-focused listings — Product references and fitment information are provided to help customers compare their original part and engine details.
- Service-conscious support — Always verify model information and follow the manufacturer’s installation procedure for cooling-system components.
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