Backlit for clear visibility, Dorman's Engine Coolant Temperature Gauge features a sleek black face with crisp white marks, green and red a??safe zonea?? indication, and a red needle. It provides at-a-glance monitoring of the coolant, oil, or automatic transmission fluid temperatures to help prevent overheating and ensure a long engine life. The Gauge is available in a kit that includes the gauge, mounting panel with optional wood grain panel insert, sending unit, adapter fittings and installation hardware.