Water Pump Impeller for 40-70hp Yamaha Outboard Motor 6H3-44352-00-00 18-3069

Water Pump Impeller for Yamaha

This water pump impeller for Yamaha outboard motors fits 40-70hp models and replaces OEM part numbers 6H3-44352-00-00 and 18-3069. It delivers reliable cooling water flow to prevent overheating in Yamaha outboards.

Overview

This water pump impeller for Yamaha outboard motors is a direct replacement for part numbers 6H3-44352-00-00 and 18-3069, designed for 40-70hp four-stroke and two-stroke engines. It ensures efficient water circulation to keep the engine at optimal temperature during operation.

Built For Performance

• Replaces OEM 6H3-44352-00-00 and 18-3069
• Made from durable neoprene for heat and wear resistance
• Precise blade geometry for maximum water flow
• Includes all necessary components for a complete impeller kit
• Rigid yet flexible blades maintain pumping efficiency

On-The-Job Use

• Used in Yamaha outboard water pump service
• Recommended replacement during annual maintenance
• Essential for preventing engine overheating in saltwater or freshwater
• Commonly needed after winter storage or when replacing the water pump housing

Specs At A Glance

Good To Know

Q: Will this impeller fit a Yamaha F50? A: Yes, this impeller is designed for Yamaha outboards in the 40-70hp range, which includes the F50 and similar models. Always verify your engine's part number before ordering.

Q: How often should I replace the impeller? A: Yamaha recommends inspecting the impeller annually and replacing it every 2-3 years depending on usage, as worn blades reduce cooling efficiency.

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