Mitsubishi WD-Y577 TV cage Assembly with High Quality Original Bulb Inside Mitsubishi WDY577 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 WDY577 90 Days warranty when purchased from BulbAmerica