Water Pump Impeller Kit 63V-W0078 For Yamaha 4-Str 9.9 15 20 HP Outboard Motor

Water Pump Impeller Kit for Yamaha

This water pump impeller kit, referencing OEM cross-reference 63V-W0078, keeps your Yamaha 4-stroke outboard motor cool by ensuring proper water flow through the cooling system.

Overview

This water pump impeller kit is a direct replacement for the original impeller in Yamaha 9.9, 15, and 20 HP four-stroke outboard motors. It delivers consistent water circulation to prevent overheating and maintain engine performance. Designed for easy installation, this kit includes the impeller and necessary components for a reliable repair.

Built For Performance

• Precision-molded impeller blades for maximum water flow
• Reinforced rubber compound for extended service life
• Includes necessary gaskets and seals for a complete installation
• Engineered to meet or exceed OEM specifications
• Resists wear from sand and debris in cooling water

Fits These Machines

• for Yamaha 9.9 HP outboard
• for Yamaha 15 HP outboard
• for Yamaha 20 HP outboard

On-The-Job Use

• Replaces worn impeller during scheduled maintenance
• Restores cooling efficiency on boat motors
• Ideal for freshwater or saltwater operation
• Prevents engine damage from overheating

Specs At A Glance

Good To Know

Q: How often should I replace the impeller? A: Typically every 100 hours or annually, whichever comes first.

Q: Does this kit include everything needed? A: Yes, it includes the impeller and necessary seals for a complete replacement.

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