LucaSng Water Pump Kit for Johnson Evinrude 40-50 HP Outboards | 18-3454, 433548, 433549, 777805
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Description
xOverview
Upgrade your Johnson/Evinrude outboard with the LucaSng Water Pump Kit. This complete package is designed for 40-50 HP two-stroke engines produced from 1989 through 2005, offering a ready-to-install solution that refreshes your cooling system with trusted components. Built for real-world boating, it helps you keep the engine operating smoothly under typical salt and freshwater conditions without promising guarantees.
The kit centers around a durable 3-vane neoprene impeller and includes all accompanying seals, gaskets, and housing needed for a comprehensive refresh. With a focus on compatibility and reliable fit, the set is crafted to align with common small-housing layouts used on these engines.
What’s included
- 1 x Neoprene impeller 432941
- 1 x Pump cup 340619
- 1 x Wear plate 341038
- 1 x Water pump gasket 336530
- 1 x Woodruff key 334897
- 1 x O-ring 331188
- 1 x O-ring 310584
- 1 x Sear 324981
- 1 x Grommet 333758
- 1 x Grommet 331732
- 1 x Pump housing 438544
- 4 x Bolt 30232
Compatibility and references
- Replaces OE numbers such as 0438592, 18-3454, 438592, 433548, 433549, 777805
- Designed for 40 HP and 50 HP 2-stroke engines from 1989–2005
- Cross-references PRO 3454 and SIE 18-3454 aid in parts lookup
Notes on installation and use
Images show the included items; this kit is intended for straightforward installation by boat owners and professionals alike. It offers a complete upgrade path for cooling system reliability without needing additional parts.
Why this matters on the water
On a typical day on the water, a refreshed water pump helps maintain steady cooling flow, supports consistent engine performance, and reduces downtime caused by worn seals and impellers. While results can vary, many users notice smoother operation after installation and a quieter, more predictable cooling cycle.
FAQ
Q: What engines is this water pump kit compatible with?
A: Designed for Johnson and Evinrude 40-50 HP two-stroke outboards from 1989–2005; verify compatibility with cross references 433548/433549/777805.
Q: What does the kit include?
A: The package contains neoprene impeller, pump cup, wear plate, water pump gasket, O-rings, grommets, pump housing, woodruff key, and mounting bolts.
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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