Aisin is the number one original equipment manufacturer of water pumps in the world. Aisin's advanced design produces water pumps with smooth coolant flow channels, efficient rotors, ball bearings, and carbon ceramic mechanical sealing for optimum cooling performance and longevity. Each water pump is crafted from all new, not remanufactured, components that feature upgraded design and materials enhancements to ensure top performance. Water pump construction materials have been carefully selected for their resistance to common water pump killers - rust, corrosion, and coolant scaling. Founded in 1965 to produce original equipment automotive parts, Aisin has grown into a 25+ billion global enterprise with approximately 70,000 employees worldwide. Superior products through engineering excellence, progressive technological development, and dedication to service are some factors which have contributed to bringing Aisin to its position as a multiple-award-winning global leader in automotive parts.