85089Q4 Water Pump Impeller Kit Mercury 8 9.9 13.5 15 18 20 25 HP 2 Cyl Outboard

Water Pump Impeller Kit for Mercury

This water pump impeller kit, OEM cross-reference 85089Q4, delivers reliable cooling for Mercury outboard motors from 8 to 25 horsepower, including 2-cylinder models, ensuring your engine stays cool.

Overview

This water pump impeller kit is a direct replacement for Mercury outboards, featuring a precision-molded impeller and gaskets to maintain peak cooling performance. Designed for 8, 9.9, 13.5, 15, 18, 20, and 25 HP 2-cylinder engines, it prevents overheating and keeps your boat running smoothly.

Built For Performance

• Precision-molded impeller for consistent water flow
• Includes gaskets and seals for a complete installation
• Reinforced rubber construction resists wear and heat
• Exact OEM specifications ensure proper fit and function
• Tested for reliable performance in salt and freshwater

Fits These Machines

• for Mercury 8 HP outboard
• for Mercury 9.9 HP outboard
• for Mercury 13.5 HP outboard
• for Mercury 15 HP outboard
• for Mercury 18 HP outboard
• for Mercury 20 HP outboard
• for Mercury 25 HP outboard

On-The-Job Use

• Replaces worn impellers during routine water pump maintenance
• Suitable for fishing boats, skiffs, and small runabouts
• Essential for long trips to prevent engine overheating

Specs At A Glance

Good To Know

Q: How often should I replace the impeller? A: Impellers should be checked annually and replaced every 2-3 seasons or if signs of wear appear.

Q: Does this kit fit all 2-cylinder Mercury outboards? A: It is designed for the listed HP ranges, but always confirm compatibility with your serial number.

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