My Account
Shopping Cart

Sierra 18-3377 Water Pump Kit for Johnson/Evinrude Outboard Motors

Manufacturer

Part Number

118-3377
Sale Price

$26.96

In Stock (10+)

delivery box

Usually delivered within 2 days

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-3377 Water Pump Kit is a complete impeller service kit designed for Johnson/Evinrude outboard motors. This kit provides all the essential components needed to rebuild your water pump without the housing, ensuring reliable cooling system performance for vintage and classic outboard engines.

Kit Contains:

  • Sierra 18-3002 Impeller
  • Sierra 18-3103 Impeller Plate
  • Sierra 18-3326 Impeller Key (Pin)
  • Sierra 18-3329 Water Tube Grommet

Compatibility:

  • Johnson/Evinrude 10 HP (1949-1957)
  • Johnson/Evinrude 15/18 HP (1953-1965)
  • Johnson/Evinrude 20 HP (1966-1973, 1982-1984)
  • Johnson/Evinrude 25 HP (1969-1978)

This Sierra water pump kit replaces OEM part numbers 0379773, 0382468, and 382468, as well as Mallory 9-48305. Each component is manufactured to meet or exceed original equipment specifications, ensuring proper fit and reliable performance. This is a fit-specific part—verify part numbers to ensure proper application for your outboard motor.

Great price, fast shipping, they have stock levels updated in their website.

My students will benefit from the timing belt display (demo) unit I purchased from you! Fast shipping time, quality made and fair pricing! Thank you! :)

Good

good price, fast shipping, no issues to think of. Thanks

Great price!

Quick ship, good quality

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy