Factory Spec Water Pump Impeller Shaft for Yamaha YFZ450 2004-2009/2012-2013

Water Pump Impeller Shaft for Yamaha

This factory‑spec water pump impeller shaft fits Yamaha YFZ450 models from 2004‑2009 and 2012‑2013.

Overview

This water pump impeller shaft is a factory‑spec replacement for Yamaha YFZ450 ATVs produced in 2004‑2009 and 2012‑2013. It drives the impeller to circulate coolant through the engine. The shaft ensures proper cooling system function and longevity.

Built For Performance

• Manufactured from stainless steel for corrosion resistance
• Machined to OEM dimensions for perfect seal fitment
• Includes keyway for proper impeller alignment
• Direct replacement requires no modifications
• Heat‑treated for strength and wear resistance

Fits These Machines

• for Yamaha YFZ450 (2004-2009)
• for Yamaha YFZ450 (2012-2013)

On‑The‑Job Use

• Replaces a worn or leaking water pump shaft
• Necessary when rebuilding the water pump assembly
• Commonly used after engine overheating incidents
• Ideal for preventive maintenance on high‑hour YFZ450 engines

Specs At A Glance

Good To Know

Q: Can this shaft be used with aftermarket impellers? A: It is designed to fit standard OEM‑style impellers; aftermarket impellers with different keyway sizes may not work.

Q: Should I replace the water pump seals at the same time? A: Yes, it is strongly recommended to replace all seals and gaskets when installing a new shaft to prevent leaks.

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