Yamaha 9.9 15 hp 2 Stroke Outboard Water Pump Impeller Kit 682-W0078-A1 18-3148

Water Pump Impeller Kit for Yamaha

This water pump impeller kit for Yamaha 9.9 and 15 hp two-stroke outboard engines replaces OEM reference numbers 682-W0078-A1 and 18-3148. The kit provides the impeller needed to restore cooling water flow for Yamaha outboards.

Overview

This water pump impeller kit for Yamaha 9.9 and 15 hp two-stroke outboards is a direct replacement service part. It replaces OEM part numbers 682-W0078-A1 and 18-3148 to keep the water pump functioning properly. Boat owners and mechanics use this impeller kit for Yamaha outboards during routine cooling system maintenance.

Built For Performance

• Replaces OEM part numbers 682-W0078-A1 and 18-3148
• Designed for Yamaha 9.9 and 15 hp two-stroke outboard engines
• Molded impeller design helps maintain consistent water flow
• Supports routine water pump service without replacing the entire pump
• Built to hold up in freshwater or saltwater environments

Fits These Machines

• for Yamaha 9.9 hp two-stroke outboard
• for Yamaha 15 hp two-stroke outboard

On-The-Job Use

• For replacing a worn impeller during outboard water pump service
• For restoring cooling water flow when the tell-tale stream is weak
• For preventing overheating in small fishing and utility outboards
• For annual maintenance before the boating season

Specs At A Glance

Good To Know

Q: How often should the water pump impeller be replaced? A: Most outboard manufacturers recommend replacing the impeller annually or every 100 hours of use. A worn impeller can cause overheating and damage the engine.

Q: How do I confirm compatibility for this impeller kit? A: Verify the engine's horsepower, model, and serial number against the listed fitment before ordering. Differences in production runs can affect compatibility.

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