334-65021-0 18-8921 Water Pump Impeller for Tohatsu 9.9/15/20HP Outboard Motor

Water Pump Impeller for Tohatsu

This water pump impeller is a direct replacement for Tohatsu outboard motors, designed to circulate coolant and prevent overheating, with OEM cross-reference numbers 334-65021-0 and 18-8921.

Overview

This water pump impeller ensures reliable cooling for Tohatsu outboards by moving water through the engine block. Crafted from flexible rubber compounds, this water pump impeller maintains its shape under heat and pressure, delivering consistent performance. Ideal for routine maintenance, this water pump impeller keeps your Tohatsu motor running at safe temperatures.

Built For Performance

• Precision-molded blades for efficient water flow
• Durable rubber compound resists heat and wear
• Direct replacement for OEM part numbers 334-65021-0 and 18-8921
• Compatible with Tohatsu 9.9, 15, and 20 horsepower outboards
• Easy to install with standard tools
• Maintains consistent pump pressure for reliable cooling

Fits These Machines

• for Tohatsu 9.9HP outboard
• for Tohatsu 15HP outboard
• for Tohatsu 20HP outboard

On-The-Job Use

• Replaces worn impellers during routine water pump service
• Keeps engine operating temperature stable during continuous running
• Used in both saltwater and freshwater environments
• Essential for preventing overheating in high-hour outboards

Specs At A Glance

Good To Know

Q: How often should the water pump impeller be replaced? A: Typically every 2 to 3 seasons or if the pump shows reduced water flow. This ensures consistent cooling and prevents engine damage.

Q: Can this impeller be used in saltwater conditions? A: Yes, the rubber compound is resistant to saltwater corrosion and wear. Regular flushing is still recommended after use.

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