Water Pump Impeller 389576 0389576 436137 18-3091 for Johnson Evinrude OMC 4-8HP

Water Pump Impeller for Johnson Evinrude OMC

This water pump impeller is a direct replacement cooling component for Johnson Evinrude OMC outboard motors, with OEM cross-reference numbers 389576, 0389576, 436137, and 18-3091.

Overview

This water pump impeller for Johnson Evinrude OMC outboards keeps cooling water circulating through the engine block. The water pump impeller is built to match OEM dimensions for reliable pump performance. It is intended for 4-8HP Johnson Evinrude OMC outboard motors.

Built For Performance

• Direct replacement for OEM part numbers 389576, 0389576, 436137, and 18-3091
• Precision-molded rubber blades for consistent water flow
• Heat- and wear-resistant construction for marine use
• Designed for reliable operation in freshwater or saltwater
• Easy installation with standard outboard water pump service tools

Fits These Machines

• for Johnson 4-8HP outboards
• for Evinrude 4-8HP outboards
• for OMC 4-8HP outboards

On-The-Job Use

• For routine water pump service on Johnson Evinrude OMC 4-8HP outboards
• For restoring consistent cooling water flow in small fishing boats
• For preventing overheating during long idling or trolling runs
• For replacing worn impellers during annual outboard maintenance

Specs At A Glance

Good To Know

Q: How does this water pump impeller match OEM part numbers? A: It is designed as a replacement for OEM cross-reference numbers 389576, 0389576, 436137, and 18-3091. Confirm your engine serial number to ensure compatibility.

Q: When should this impeller be replaced? A: Replace it when cooling water output weakens or during annual water pump maintenance. A worn impeller can cause overheating and engine damage.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.