Apexlamps OEM BULB with New Housing Projector Lamp for Mitsubishi WD-73642 / WD-73742 / WD-82742 / WD-92742-180 Day Warranty Part Number: 915B455012 / 915B455A12 Projector replacement lamp for the following model(s): Mitsubishi WD-73642 / WD-73742 / WD-82742 / WD-92742 Original Equipment Manufacturer (OEM) Bulb with New Housing 180 Days Warranty Technology: DLP, Lamp Wattage: 150/180 Life Time (STD): 4000, Life Time (ECO): 6000