AISIN OE matched engine cooling fan blades are designed for efficient, consistent cooling system performance under harsh underhood conditions. With superior OE technology and know-how, AISIN ensures that every engine cooling fan blade provides exact OE form, fit, and function to ensure your car, truck, van or suv performs as the original manufacturer intended. Manufactured using only the highest quality materials for long life and dependable cooling system performance, all AISIN engine cooling fan blades are designed to ensure the vehicle runs at the OE specified operating temperature. Installation hardware not included.