Water Pump Impeller Shaft w/Gear for Honda Many CRF250R Replaces 19240-KRN-A40

Water Pump Impeller Shaft w/Gear for Honda

This water pump impeller shaft with gear is a direct replacement for Honda CRF250R models, OEM part number 19240-KRN-A40, ensuring proper coolant circulation and engine cooling.

Overview

The water pump impeller shaft with gear is a critical component in the cooling system of your Honda CRF250R. This water pump impeller shaft drives the impeller to circulate coolant, preventing overheating during intense rides. Designed for Honda CRF250R models, it restores proper water pump function.

Built For Performance

• Precision-machined from high-strength steel for durability
• Integrated gear ensures smooth engagement with the water pump
• Direct replacement for OEM part 19240-KRN-A40
• Corrosion-resistant finish for long service life
• Engineered to meet or exceed OEM specifications

Fits These Machines

• for Honda CRF250R (various years)

On-The-Job Use

• Used for rebuilding the water pump during engine overhaul
• Essential for maintaining optimal cooling on off-road trails
• Common replacement when impeller shaft wears or gear strips
• Applied in motocross and enduro riding conditions

Specs At A Glance

Good To Know

Q: Is this water pump impeller shaft compatible with other Honda models? A: This shaft is specifically designed for CRF250R models; confirm compatibility with your specific year and VIN before ordering.

Q: What should I inspect when replacing the impeller shaft? A: Check the water pump housing and bearing for wear, as a failing shaft can cause damage to surrounding components.

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