Yamaha - Water Pump Impeller - Cooling System Component - 662-44352-01-00

Overview

The water pump impeller is a crucial component of the Yamaha outboard cooling system, designed to circulate water through the engine to maintain safe operating temperatures. Its flexible vanes rotate within the pump housing to draw in and push water efficiently, preventing overheating and ensuring consistent engine performance. Built to OEM specifications, this impeller provides reliable operation and durability in marine environments.

This component plays a vital role in protecting the engine from heat-related damage. Regular replacement of the impeller helps maintain optimal cooling efficiency and prolongs engine life, especially in demanding saltwater or high-use conditions.

Key Features

• Efficient Water Circulation – Pumps cooling water through the engine to regulate temperature.
• Engine Overheat Protection – Helps prevent damage by maintaining proper cooling flow.
• OEM Yamaha Construction – Manufactured to factory standards for precise fit and dependable performance.
• Flexible Durable Vanes – Designed to withstand continuous rotation and harsh marine conditions.

Engine & Boat Compatibility

• Compatible with Yamaha outboards that utilize this impeller within the water pump assembly.

FAQ

Q: What does a water pump impeller do?
A: It circulates water through the engine to keep it cool during operation.

Q: Why is this component important?
A: It prevents overheating and protects internal engine components.

Q: How often should it be replaced?
A: Typically every 1–2 years or during routine water pump service.

Q: What are signs of a worn impeller?
A: Reduced water flow, overheating, or weak telltale stream.

Q: Is this an OEM Yamaha part?
A: Yes, it is built to Yamaha’s original equipment standards.