when I order this item I be optimistic consider that it be half the price of a OEM replacement . give that this be my third lamp in the 5 + year I have own the tv I be look for a cost savings . when I open the package I notice that the glass in front of the bulb do not cover the whole opening , it be a vertical rectangle rather a full circle like the toshiba factory replacement . this replacement unit lack the Toshiba marking . other than these few difference I have not see any issue . the unit plug in as normal and my tv have be operate fine with normal viewing habit .