Water Pump Impeller Kit 46-96148Q8 46-96148A8 For Mercury/Mercruiser Alpha One

Water Pump Impeller Kit for Mercury/Mercruiser Alpha One

This water pump impeller kit replaces OEM part numbers 46-96148Q8 and 46-96148A8, providing a reliable cooling water circulation solution for Mercury/Mercruiser Alpha One stern drives.

Overview

The water pump impeller kit is a direct replacement for the original impeller in Mercury/Mercruiser Alpha One cooling systems. This kit ensures consistent water flow to prevent overheating, making it a critical component for your marine engine. Designed for boat owners and mechanics, this water pump impeller kit delivers dependable performance in saltwater and freshwater environments.

Built For Performance

• Precision-molded impeller blades for maximum water flow
• Rust-resistant stainless steel insert
• Exact fit for Mercury/Mercruiser Alpha One
• Comes with all necessary gaskets and seals
• Tested for durability in marine conditions
• Meets OEM specifications

Fits These Machines

• for Mercury/Mercruiser 3.0L Alpha One
• for Mercury/Mercruiser 4.3L Alpha One
• for Mercury/Mercruiser 5.0L Alpha One
• for Mercury/Mercruiser 5.7L Alpha One

On-The-Job Use

• Used in marine cooling systems to circulate raw water
• Ideal for routine maintenance of stern drive engines
• Suitable for both saltwater and freshwater boating
• Commonly replaced during annual engine service
• Helps prevent engine overheating during long trips

Specs At A Glance

Good To Know

Q: How often should I replace the impeller? A: Typically every 100 hours or annually, depending on usage.

Q: Can I use this kit in saltwater? A: Yes, the impeller is designed for both saltwater and freshwater cooling systems.

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