AISIN is the number one original equipment manufacturer of water pumps in the world AISIN's advanced design produces inverter cooler water pumps with smooth coolant flow channels, efficient rotors, and ball bearings for optimum cooling performance and longevity Crafted from all new, not remanufactured, components that feature upgraded design and materials enhancements to ensure top performance Inverter cooler water pump construction materials have been carefully selected for their resistance to common water pump killers - rust, corrosion, and coolant scaling A properly functioning inverter cooler water pump is critical to ensuring longevity of the inverter on Lexus and Toyota vehicles, preventing overheating and costly repairs Compatible with select vehicles (Note: Engine may affect fitment - verify specific fitment details with fit checker above): LEXUS: 2013-18 ES300h; TOYOTA: 2013-18 Avalon, 2012-17 Camry, 2016-18 Mirai