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Aftermarket Johnson / Evinrude Outboard 377178 Impeller

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Aftermarket Johnson / Evinrude Outboard 377178 ImpellerThe Sierra 18-3003 Impeller is designed to restore water-pump output and maintain cooling-water flow thro…
SKU: S-18-3003
Condition: New
mfg_code: 18-3003
$39.53

Aftermarket Johnson / Evinrude Outboard 377178 Impeller

$39.53

Aftermarket Johnson / Evinrude Outboard 377178 Impeller

The Sierra 18-3003 Impeller is designed to restore water-pump output and maintain cooling-water flow through the engine in Johnson / Evinrude applications. It replaces Johnson / Evinrude 377178.

Included in: 18-3402 water pump kit

Technical Specifications

  • Brand: Sierra Marine
  • Sierra Part Number: 18-3003
  • Product Type: Impeller
  • Application: Johnson / Evinrude Outboard

Johnson / Evinrude Outboard Suitability

  • 9.5HP

Cross References & Alternative Products

Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.

Frequently Asked Questions

What is Sierra 18-3003?
Sierra 18-3003 is an aftermarket impeller for Johnson / Evinrude Outboard applications.

Which part numbers cross-reference Sierra 18-3003?
This listing cross-references Johnson / Evinrude 775519, GLM 89670 and Johnson / Evinrude 377178. See the Cross References & Alternative Products section above for linked alternatives where available.

How can I check whether Sierra 18-3003 fits my Johnson / Evinrude Outboard application?
Contact us with your engine model and serial number and we'll help check suitability.

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