Mercruiser Alpha One Gen One & MR Water Pump Kit with Base 46-57234A8 46-96148Q8

Water Pump Kit with Base for Mercruiser

This water pump kit with base for Mercruiser is a complete replacement assembly for the engine's cooling system.

Overview

Designed for Mercruiser Alpha One Gen One and MR stern drives, this water pump kit delivers reliable water circulation to prevent overheating. It includes the pump housing, impeller, and base, ensuring a straightforward swap for worn components. This kit for Mercruiser maintains proper engine cooling and prolongs the life of the drive.

Built For Performance

• Includes high-quality impeller for efficient water flow
• Aluminum base for durable mounting
• Precision-machined surfaces for leak-free operation
• Complete kit for straightforward installation
• OEM-style design for exact fit

Fits These Machines

• for Mercruiser Alpha One Gen One
• for Mercruiser MR

On-The-Job Use

• Replacing a worn water pump during annual maintenance
• Restoring cooling efficiency on older Mercruiser engines
• Used in both saltwater and freshwater applications
• Ensuring proper flow to the engine block and heat exchanger

Specs At A Glance

Good To Know

Q: Does this water pump kit include the gasket? A: The kit includes the pump and base; gaskets may be sold separately, so check your service manual.

Q: Will this work for a Mercruiser 3.0L engine? A: This kit is designed for Alpha One Gen One and MR drives, typically used with 3.0L and 4.3L engines, but confirm your model.

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