Water Pump Impeller Kit – Fits Johnson/Evinrude/OMC Stern Drive (Replaces 3854661, 987253, 987743)
Water Pump Impeller Kit – Fits Johnson/Evinrude/OMC Stern Drive (Replaces 3854661, 987253, 987743) 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).
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Water Pump Impeller Kit – Fits Johnson/Evinrude/OMC Stern Drive (Re...
Product Details
This complete Water Pump Impeller Kit is designed for a range of Johnson/Evinrude/OMC stern drive engines from 1992–1993, including 3.2L, 5.7L, 5.8L, 7.4L, and 8.2L models. It provides a reliable, direct-fit solution to restore your engine's cooling system performance.
This kit directly replaces OMC part numbers 3854661, 987743, and 987253, following the OEM supersession chain.
- Engineered for direct replacement of the original assembly.
- Includes the pump housing and all necessary seals and gaskets for a complete installation.
- Restores cooling efficiency and prevents engine overheating.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket suppliers.
| Brand | Part Number | Superseded By |
|---|---|---|
| OMC | 987253 | 987743 |
| OMC | 987743 | 3854661 |
| OMC | 3854661 |
Engine & Model Compatibility
Confirm your engine model and year in the table below to ensure accurate fitment.
This kit is specifically designed for the following OMC stern drive applications.
| Brand | Model | Rated HP | Years | OEM Part No. |
|---|---|---|---|---|
| OMC | 32DAPEAMH | 3.2L | 1992 | 3854661 |
| OMC | 32DAPEJVB | 3.2L | 1993 | 3854661 |
| OMC | 574APEAMH | 5.7L | 1992 | 3854661 |
| OMC | 584DPEAMH, 584DPEAMK | 5.8L | 1992 | 3854661 |
| OMC | 584DPEJVB, 584DPPJVB, 58FAPEJVB, 58FAPPJVB, 58FBPEJVB | 5.8L | 1993 | 3854661 |
| OMC | 744CPEAMH, 744DPEAMH, 744DPPAMH | 7.4L | 1992 | 3854661 |
| OMC | 744CPEJVB, 744DPEJVB, 744DPPJVB | 7.4L | 1993 | 3854661 |
| OMC | 824BPEAMH | 8.2L | 1992 | 3854661 |
| OMC | 824BPEJVB | 8.2L | 1993 | 3854661 |
Technical Specs
- Product Type
- Water Pump Impeller Kit
- Installation
- Direct replacement
- Other Technical Attributes
- King Cobra water pump kit with housing
What’s in the Box
- 1 x Plate (0915216)
- 1 x Liner (0763983)
- 1 x Seal (3853473)
- 1 x Gasket (3853654)
- 1 x Housing and Fitting Assembly (3854071)
- 1 x Impeller (3854072)
Installation Notes
- Disconnect the battery and ensure the engine is cool before starting.
- Close the water intake seacock and drain the existing cooling system fluid.
- Locate and remove the water pump housing cover and screws. Note the orientation of the old parts.
- Carefully remove the old impeller, gaskets, and seals. You may need a pick or pliers.
- Clean all mating surfaces thoroughly, removing any old gasket material or debris.
- Install the new gasket, seal, liner, and plate as included in the kit.
- Lubricate the new impeller with a marine-safe lubricant and install it, rotating in the correct direction.
- Reinstall the housing and tighten the bolts to the manufacturer's specified torque.
- Reconnect hoses, open the seacock, and start the engine, immediately checking for proper water flow and leaks.
Troubleshooting & FAQ
How do I know if my water pump impeller is failing?
Common signs of a worn or damaged impeller include higher-than-normal engine operating temperatures, reduced water flow from the exhaust, or visible cracks and brittleness on the impeller vanes during inspection.
Does this kit include the housing?
Yes, this is a complete kit that includes the water pump housing, impeller, plate, liner, gasket, and seal for a full replacement.
What is the recommended replacement interval for this impeller kit?
For optimal performance and to prevent engine damage, most marine mechanics recommend replacing the water pump impeller every 1-2 years or every 100-200 hours of operation, whichever comes first.
Will this kit fit models outside the listed 1992–1993 year range?
This kit is specifically verified for the models and years listed. Using it on other models is not recommended, as fitment and function cannot be guaranteed. Always verify your part number before ordering.
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.
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