Our Lighted Temperature Gauge kit helps monitor critical transmission or oil temperatures to avoid overheating vital fluids and helping to save hundreds to thousands of dollars of damage to transmission or engine components. A modern black-on-white face with 140°-300° F temperature range and a 2-1/16" diameter, this accurate gauge includes a mounting bracket, 1/8" NPT sensor, transmission pan adapter/drain plug allows in pan sensor mounting option. Features Transmission or engine oil temperature. 2-1/16" diameter electric gauge includes mounting bracket, 1/8" NPT sensor, and transmission pan adapter/drain plug to mount sensor to pan.