Replacement Lamp Assembly with Genuine OEM Original bulb for Mitsubishi 915B441001 DLP TV (Philips bulb insdie) IET lamps only use original manufacturer bulbs from well-known brands such as Osram, Osram, Ushio, Matsushita and Phoenix. IET Lamp housing units are made from durable and high quality materials and are guaranteed to fit properly. This lamp will meet the original manufacturer quality and performance standards. Last 3x longer then Generic lamps! Better Reliability, Brighter Picture, Longer Lasting. Lamp Part Number: 915B441001 180 Days Warranty. 30 Days Money Back Guarantee.