Water Pump Impeller fits Cummins 3974456 Sherwood 27000K Marine Diesel 500181

Water Pump Impeller for Sherwood

This water pump impeller is a direct replacement for Sherwood part 27000K and Cummins part 3974456, also cross-referenced as 500181, designed to circulate coolant in marine diesel engines.

Overview

This water pump impeller for Sherwood water pumps is built for marine diesel cooling systems. It matches OEM specifications for Cummins 3974456 and Sherwood 27000K, ensuring reliable water flow. This impeller is an essential replacement part for keeping boat engines running at safe temperatures.

Built For Performance

• Direct replacement for Sherwood part 27000K
• Cross-references to Cummins OEM part 3974456
• Also listed as 500181
• Designed for marine diesel cooling systems
• Precision-molded for a secure fit
• Provides reliable water circulation

On-The-Job Use

• Marine diesel engine cooling
• Saltwater and freshwater operation
• Continuous duty in boat engine rooms
• Replacement for worn impellers in marine pumps

Specs At A Glance

Good To Know

Q: How do I confirm this impeller fits my engine? A: Check your existing impeller part number against 3974456, 27000K, or 500181 to ensure compatibility.

Q: What is the recommended service interval for this impeller? A: Inspect the impeller annually and replace it if cracks or wear are visible, as part of routine marine maintenance.

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