The average cost for a heater blower motor replacement is between $289 to $413. Labor costs are estimated between $119 to $151 while parts are priced between $170 to $262.Get a personalized estimate based on your location and specific car.Estimate does not include taxes and fees.abor costs are estimated between $119 to $151 while parts are priced between $170 to $262. Get a personalized estimate based on your location and specific car. Estimate does not include taxes and fees.