Water Pump Repair Kit For Yamaha Outboard 60/70 HP - 6H3-W0078-00-00, 18-3428-1

Water Pump Repair Kit for Yamaha

This water pump repair kit for Yamaha outboard 60/70 HP replaces worn impeller, gaskets, and seals to restore cooling system flow; OEM cross-reference numbers 6H3-W0078-00-00, 18-3428-00.

Overview

This water pump repair kit is designed specifically for Yamaha outboard engines in the 60 and 70 horsepower range, providing all necessary components to service the water pump assembly. It includes a high-quality impeller, gaskets, and seals to ensure reliable cooling and prevent overheating. The kit uses OEM cross-reference numbers 6H3-W0078-00-00 and 18-3428-00 for easy verification.

Built For Performance

• Precision-molded impeller delivers consistent water flow
• Includes all required gaskets and seals for complete rebuild
• Corrosion-resistant materials withstand marine environment
• Direct replacement matches factory specifications
• Restores cooling efficiency to prevent engine damage

Fits These Machines

• for Yamaha 60 HP Outboard (2-stroke and 4-stroke)
• for Yamaha 70 HP Outboard (2-stroke and 4-stroke)

On-The-Job Use

• Annual water pump service on Yamaha outboard motors
• Replace worn impeller after prolonged use or debris ingestion
• Restore cooling in overheating engines due to pump failure

Specs At A Glance

Good To Know

Q: How often should the water pump impeller be replaced on a Yamaha outboard? A: Yamaha recommends replacing the water pump impeller every 1-2 years or after 100 hours of operation, whichever comes first, to maintain reliable cooling.

Q: Does this kit include a o-ring for the drive shaft? A: This repair kit includes all necessary gaskets and seals for the water pump housing; verify your specific engine model to ensure complete coverage.

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