Yamaha - Water Pump Impeller - Cooling System Component - 688-44352-03-00

Overview

The water pump impeller is a critical component of your Yamaha outboard’s cooling system, responsible for drawing water into the pump and circulating it through the engine. It helps maintain proper engine temperature by ensuring consistent water flow during operation. Built to OEM specifications, this impeller delivers reliable performance, proper fit, and durability in harsh marine environments.

Key Features

• Water Circulation Function – Pulls and pushes water through the cooling system to regulate engine temperature.
• Essential Cooling Component – Plays a direct role in preventing engine overheating.
• OEM Yamaha Construction – Designed to exact factory standards for fit and dependable operation.
• Flexible Durable Material – Engineered to withstand continuous rotation, heat, and marine conditions.

Engine & Boat Compatibility

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

FAQ

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

Q: Why is the impeller important?
A: It is the main component responsible for cooling water flow, preventing overheating.

Q: How often should it be replaced?
A: It is typically replaced annually or during routine water pump maintenance.

Q: What happens if the impeller fails?
A: The engine may overheat quickly, leading to serious damage.

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