Mitsubishi WDY657 Projector Replacement assembly with Genuine OEM bulb inside. The assembly has a genuine OEM bulb inside. The bulb is produced by one of the industry’s leading bulb manufacturers: Philips, Osram, Ushio or Phoenix. The OEM bulb is engineered to perform exactly to the exact projector manufacturer specifications and requirements. This high quality projector bulb for Mitsubishi WDY657 projector will provide bright and high quality image that will last the test of time.