Water Pump Impeller Kit With Key 47-89981 For Mercury 4 4.5 6 7.5 9.8 hp .456 ID

Water Pump Impeller Kit with Key for Mercury

This water pump impeller kit with key is a replacement for Mercury outboards, with OEM part number 47-89981 and a .456 inch inside diameter.

Overview

This water pump impeller kit is designed for Mercury engines ranging from 4 to 9.8 horsepower. It includes the impeller and a key for secure installation, ensuring proper coolant flow to prevent overheating. The .456 inch inside diameter ensures a precise fit for compatible Mercury models.

Built For Performance

• Includes a matching key for proper impeller alignment
• High-quality rubber impeller blades deliver consistent water flow
• Designed to fit Mercury engines from 4 to 9.8 horsepower
• Precision-machined to OEM specifications for a reliable seal
• Resistant to oil, heat, and wear for extended service life

Fits These Machines

• for Mercury 4 hp outboards
• for Mercury 4.5 hp outboards
• for Mercury 6 hp outboards
• for Mercury 7.5 hp outboards
• for Mercury 9.8 hp outboards

On-The-Job Use

• Replaces worn impellers in small Mercury outboard water pumps
• Use during routine maintenance to prevent engine overheating
• Suitable for both saltwater and freshwater operation

Specs At A Glance

Good To Know

Q: Does this kit include the impeller key? A: Yes, the kit comes with a matching key for secure installation and proper alignment.

Q: What horsepower range does this impeller cover? A: It is designed for Mercury engines from 4 to 9.8 horsepower, including 4, 4.5, 6, 7.5, and 9.8 hp models.

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