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Sierra 18-3090 Water Pump Impeller for Johnson/Evinrude Outboard Motors

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

18-3090
11 reviews
04/21/2036 6:16 PM
Sale Price

$17.65

In Stock (10+)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Sierra 18-3090 is a premium replacement water pump impeller designed for Johnson and Evinrude outboard motors. This critical cooling system component ensures proper water circulation through your engine to prevent overheating and maintain optimal performance.

Key Specifications:

  • 6-blade neoprene impeller construction
  • Outer diameter: 1.52 inches (38.27mm)
  • Thickness: 0.72 inches (18.12mm)
  • Bore diameter: 0.44 inches (11.20mm)
  • Designed for use in plastic pump housings

Applications:

  • Johnson/Evinrude 1.2HP, 2HP, 4HP, and 6HP outboard motors
  • Specific fitment for 2HP (1985-1990), 4HP (1976-1980 with 90-degree gearcase), and 6HP (1979) models

OEM Cross References:

  • Johnson/Evinrude: 387361, 763735, 777831
  • Mallory Marine: 9-45210
  • GLM: 89490

Sierra products are engineered to meet or exceed OEM standards and are built to withstand harsh marine environments. Each Sierra impeller is backed by a limited lifetime warranty covering defects in materials and workmanship.

Products specifications

Replaces

387361, 763735

easy , good price, instant 20% discount freight, hopefully will fit my 1985 chevy el camino v6 4.3 liter and delivered on time. thank you

Great experience.

Shipping is expensive

GREAT SERVICE, FAST SHIPPING, WILL USE AGAIN

quick and easy

Very easy search.

Easy.

FIRST TIME BUYER - WE'LL SEE HOW IT ALL GOES

I needed to verify the part was correct. The telephone staff was very helpful, professional and informed about your products.

SIMPLE & EASY

competitive prices and good selection. Will definitely look to this vendor when purchasing automotive parts in the future. I ordered a roof rack and it was very hard to find elsewhere and the few places I did find it, it was more expensive.. it was cheap and easy here. thanks :)

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