Water Pump Impeller fit for Yamaha 75 85 90HP Outboard 18-3070 688-44352-03-00

Water Pump Impeller for Yamaha

This water pump impeller for Yamaha outboard engines ensures consistent cooling performance, compatible with OEM cross-reference numbers 18-3070 and 688-44352-03-00.

Overview

The water pump impeller is a critical component that circulates coolant through the engine block, preventing overheating during operation. Designed for Yamaha 75HP, 85HP, and 90HP outboard motors, this replacement impeller maintains optimal water flow. Its precision-molded rubber construction ensures a snug fit and long service life.

Built For Performance

• Precision-molded rubber impeller for efficient water pumping
• Direct replacement for OEM part numbers 18-3070 and 688-44352-03-00
• Corrosion-resistant materials for durability in marine environments
• Easy to install with standard tools
• Matches original blade curvature for maximum flow
• Engineered for consistent performance across RPM ranges

Fits These Machines

• for Yamaha 75HP outboard
• for Yamaha 85HP outboard
• for Yamaha 90HP outboard

On-The-Job Use

• Replacing a worn impeller during routine maintenance
• Restoring cooling efficiency after overheating issues
• Preparing for long-distance cruising or heavy usage
• Seasonal service before launching the boat
• Emergency repair at the dock

Specs At A Glance

Good To Know

Q: How often should I replace my water pump impeller? A: Typically every 100 hours of operation or annually, whichever comes first. Regular replacement prevents engine overheating and costly damage.

Q: Is this impeller compatible with my Yamaha 85HP? A: Yes, it fits Yamaha 75HP, 85HP, and 90HP outboard engines, but confirm your exact model and serial number before ordering.

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