TYC 700191 GMC/Chevrolet Replacement Blower Assembly OE-comparable assembly complete with motor and fan (wheel) to save installation time and cost Superior materials and sub-components provide maximum strength and durability The fan (wheel) is pre-balanced with the motor to ensure perfect fitment and performance New (not refurbished), application-specific motor ensures maximum thermal efficiency OE-comparable wiring harness, no 'pigtail' connector