Nice clean unit This is a digital instrument cluster for a 1988-91 Oldsmobile Cutlass Supreme. It includes a speedometer, tachometer, fuel gauge, and temperature gauge. The display is backlit for easy viewing, and the needles are green. The unit of measure can be switched between mph, km/h, rpm, and km/min. It has an illuminated (backlit) feature and is in OEM style. The manufacturer part number is not known, but it is compatible with UB3 and 457000-5300.