UNITHUB Engine Water Pump AW9406 (1702101) for Toyota/Scion 1.5L — Direct Replacement with Gasket, Upgraded Internals

UNITHUB Engine Water Pump AW9406 (1702101) is a direct-replacement cooling pump with gasket designed to restore proper coolant circulation for 1.5L Toyota/Scion engines from 2000–2018.

This aftermarket water pump is engineered to meet or exceed OEM fit and durability for Toyota Yaris, Prius, Echo, Scion xA and xB models using the 1NZ-FE/1NZ-FXE family of engines. The unit ships with the necessary gasket and installation-friendly accessories, and it uses upgraded internals—heat-treated shaft, precision bearings, and coated seals—to improve resistance to heat and abrasion. Fitment and interchange part numbers are provided so you can confirm compatibility before ordering.

Will this pump fit my car and how do I confirm fitment?

If your vehicle uses the 1NZ-FE or 1NZ-FXE 1.5L engine from the supported years, this pump is designed as a direct replacement. Check the model/year list below, compare OEM part numbers, or use your vehicle’s VIN/parts lookup to confirm compatibility.

• Compatible models: Toyota Yaris (2006–2018), Prius (2001–2009), Echo (2000–2005), Scion xA/xB (2004–2006), Yaris R (2016)
• Interchange numbers: AW9406, 1702101, 252875 and several OEM references
• Compare with factory part number or use compatibility garage before purchase

What improvements does UNITHUB make over typical replacement pumps?

UNITHUB focuses on key component upgrades to deliver longer life and stable cooling performance. The pump uses either robust cast iron or aluminum die-cast housings, sealed components with protective coatings, and improved impellers and bearing assemblies to resist wear and overheating.

• Heat-treated shaft and precision-ground bearings for reduced wear
• Coated seals and smooth coolant channels to prevent leaks and cavitation
• Uniform wall thickness and optimized flow passages for steady coolant circulation

How difficult is installation and what comes in the package?

The pump is supplied with a gasket and the accessories shown in the product photos to make replacement straightforward for technicians and experienced DIYers. It follows OEM mounting points and hose connections so no custom modification is required when the correct part is chosen.

• Included: water pump, gasket, and installation accessories as pictured
• Direct-replacement design: uses factory mounting locations and hoses
• Recommended: inspect timing belt/serpentine belt and coolant when replacing

Who is this for: The UNITHUB AW9406 water pump is intended for owners, mechanics, and fleet managers who need a reliable, OEM-compatible cooling pump for Toyota and Scion 1.5L engines. Choose this pump if you want upgraded internal components, clear interchange numbers for verification, and a ready-to-install kit that helps restore proper engine cooling without extensive modifications.