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Add to CartSierra replacement water pump kit (without housing) for Johnson/Evinrude Outboards. This kit contains parts that were manufactured to meet or exceed OEM requirements.
Kit Includes:
Interchangeable With:
What is the Sierra 18-3377 Water Pump Kit used for?
The Sierra 18-3377 Water Pump Kit is a replacement water pump kit for specified Johnson/Evinrude outboard engines. The kit is supplied without the water pump housing and contains an impeller, impeller plate, impeller key, and grommet. The included parts are manufactured to meet or exceed OEM requirements.
Which Johnson/Evinrude outboards does the Sierra 18-3377 fit?
The Sierra 18-3377 fits Johnson/Evinrude 10 HP outboards from 1949-1957, 15 and 18 HP models from 1953-1965, 20 HP models from 1966-1973, and 25 HP models from 1969-1978. Verify your engine's horsepower and model year before purchasing.
Does the Sierra 18-3377 Water Pump Kit include the housing?
No. The Sierra 18-3377 is a water pump kit supplied without the housing. The kit includes one 18-3002 Impeller, one 18-3103 Impeller Plate, one 18-3326 Impeller Key, and one 18-3329 Grommet.
What parts are included in the Sierra 18-3377 Water Pump Kit?
The Sierra 18-3377 includes four components: an 18-3002 Impeller, 18-3103 Impeller Plate, 18-3326 Impeller Key, and 18-3329 Grommet. Each component is supplied as one piece. Check the kit contents against your application before beginning service.
What Johnson/Evinrude part numbers are interchangeable with the Sierra 18-3377?
The Sierra 18-3377 is listed as interchangeable with Johnson/Evinrude Outboard part numbers 0379773 and 0382468. Comparing your existing part number with these listed numbers can help verify whether the water pump kit matches your application.
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
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