Apexlamps OEM BULB Housing Projector Lamp Mitsubishi WD-73640 / WD-73740 / WD-73840 / WD-73C11 / WD-73CA1 / WD-82740 / WD-82840 / WD-82940-180 Day Warranty Part Number: 915B455011 Projector replacement lamp for the following model(s): Mitsubishi WD-73640 / WD-73740 / WD-73840 / WD-73C11 / WD-73CA1 / WD-82740 / WD-82840 / WD-82940 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