Water Pump Impeller For Johnson Evinrude OMC 35/40/50/55HP 18-3083 377230 500352

Water Pump Impeller for Johnson Evinrude OMC

This water pump impeller is a direct replacement for Johnson, Evinrude, and OMC outboard motors in the 35-55 horsepower range, featuring OEM cross-reference numbers 18-3083, 377230, and 500352.

Overview

The water pump impeller is a critical component that circulates coolant through the engine to prevent overheating during operation. This impeller for Johnson Evinrude OMC outboards delivers reliable performance for 35-55 HP motors. Its flexible rubber blades create suction to move water, ensuring your outboard runs at the correct temperature.

Built For Performance

• Direct replacement for OEM part numbers 18-3083, 377230, and 500352
• Precision-molded rubber vanes for efficient water flow
• Durable construction withstands marine environments
• Engineered to match original specifications for perfect fit
• Includes necessary hardware for straightforward installation

Fits These Machines

• for Johnson 35HP outboards
• for Johnson 40HP outboards
• for Johnson 50HP outboards
• for Johnson 55HP outboards
• for Evinrude 35HP outboards
• for Evinrude 40HP outboards
• for Evinrude 50HP outboards
• for Evinrude 55HP outboards
• for OMC 35HP outboards
• for OMC 40HP outboards
• for OMC 50HP outboards
• for OMC 55HP outboards

On-The-Job Use

• Replaces worn impellers during routine water pump maintenance
• Essential for boat owners who operate in saltwater or freshwater
• Commonly needed when engine temperature rises above normal
• Used for annual servicing to prevent overheating damage

Specs At A Glance

Good To Know

Q: How often should I replace the water pump impeller? A: Most manufacturers recommend replacement every 1-2 years or after 100 hours of operation. Regular inspection helps prevent engine overheating.

Q: What happens if the impeller fails? A: A failed impeller can cause the engine to overheat and suffer internal damage. Replacing it proactively protects your outboard motor.

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