Parts: $82 - $100. The average cost for a headlamp bulb replacement is between $130 to $162. Labor costs are estimated between $48 to $62 while parts are priced between $82 to $100.Get a personalized estimate based on your location and specific car.Estimate does not include taxes and fees.he average cost for a headlamp bulb replacement is between $130 to $162. Labor costs are estimated between $48 to $62 while parts are priced between $82 to $100. Get a personalized estimate based on your location and specific car. Estimate does not include taxes and fees.