Mitsubishi WD-57734 TV Assembly with High Quality Original Bulb Inside Mitsubishi WD57734 Projection TV Lamp Assembly Replacement TV lamp replacement with OEM bulb manufactured by  Philips, Osram, Ushio or Phoenix High quality compatible housing The OEM bulb is engineered to perform to the exact specifications and requirements for Mitsubishi WD57734 90 Days warranty when purchased from BulbAmerica