GHmarine Water Pump Impeller Kit for Johnson/Evinrude 4-8 HP Outboards — Includes Housing 389844 & 18-4529
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Description
xOverview
Keep your Johnson/Evinrude outboard cooling system running smoothly with the GHmarine 396644 Water Pump Impeller Kit. Designed for a broad range of 4 to 8 horsepower models, this kit provides a complete refresh for the water pump assembly, replacing multiple original parts with a single, cohesive solution. Expect refreshed water flow during operation and steadier performance under load, thanks to a durable impeller and a well-sealed housing that work together to maintain cooling efficiency.
What’s inside
- Impeller blade and housing compatible with Johnson/Evinrude engines
- Gasket and seals to restore tight, leak-resistant surfaces
- Mounting hardware and a complete set for straightforward installation
- Part-number coverage that matches Johnson/Evinrude 396644, 389844, 765603 and Sierra 18-4529
Key benefits
- Comprehensive kit for water pump maintenance and repair, addressing common wear points
- Designed to promote efficient cooling circulation, supporting consistent engine operation
- Versatile compatibility across multiple models and years (4HP–8HP range)
- Durable components intended to withstand regular marine use
How this helps on the water
On the boat, a well-timed pump refresh can reduce the risk of overheating and unexpected downtime. This GHmarine kit offers a practical option to refresh the system during routine maintenance or field repairs, with parts selected to align with the original design intent for Johnson/Evinrude 4–8 HP configurations.
Installation tips
- Prepare the work area, clean mating surfaces, and inspect the housing for wear before reassembly
- Follow the recommended sequence to replace the impeller, gasket, and seals
- Test the pump in a controlled environment before returning the vessel to the water
For boaters seeking dependable cooling system upkeep, this kit provides a complete, ready-to-install option that aligns with common Johnson/Evinrude 4–8 HP configurations.
FAQ
Q: What engines is this GHmarine Water Pump Impeller Kit compatible with?
A: Designed for Johnson/Evinrude 4-8 HP outboards, including 4HP–8HP models; includes impeller, housing, gasket, and seals for straightforward maintenance.
Q: Will this kit replace original part numbers?
A: Yes, it replaces Johnson Evinrude parts including 396644, 389844, 765603, and Sierra 18-4529 for broad compatibility.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 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).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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