DT01051 Original Bulb/Lamp with Housing for HITACHI CP-X4010 CP-X4020 CP-X4020E HCP-4000X 150Day Warranty Hitachi HCP-4000X Projector Housing with Genuine Original OEM Bulb Inside 100% identical lamp with the original bulb used in the projector OEM specified designed specifically to fit Hitachi HCP-4000X 90-day warranty for Assembly purchased from BulbAmerica Original OEM bulb made by top brand bulb manufacturer: Philips, Osram, Ushio or Phoenix.