Water Pump Impeller Kit for Mercruiser #1, R, MR, Alpha Gen 1 18-3217 46-96148A5

Water Pump Impeller Kit for Mercruiser

This water pump impeller kit is a direct replacement for Mercruiser Alpha Gen 1 drives and engines, referencing OEM cross-reference numbers 18-3217 and 46-96148A5, ensuring proper cooling system operation.

Overview

This water pump impeller kit is designed to replace the impeller in Mercruiser #1, R, MR, and Alpha Gen 1 applications. It provides the essential components needed to maintain proper water flow and prevent overheating. This water pump impeller kit is a reliable choice for marine engine maintenance.

Built For Performance

• Precision-molded impeller for consistent water flow
• Replaces OEM part numbers 18-3217 and 46-96148A5
• Durable rubber compound for long service life
• Complete kit with gasket for a secure seal

Fits These Machines

• for Mercruiser #1
• for Mercruiser R
• for Mercruiser MR
• for Mercruiser Alpha Gen 1

On-The-Job Use

• Used in raw water cooling systems
• Maintains engine temperature during operation
• Suitable for saltwater and freshwater use
• Replaces impeller during routine maintenance

Specs At A Glance

Good To Know

Q: How often should I replace my water pump impeller? A: It's recommended to replace the impeller every season or after 100 hours of operation to prevent overheating.

Q: Can I use this impeller kit in saltwater? A: Yes, the materials are designed to resist corrosion and wear in both freshwater and saltwater environments.

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