Superior Precision and Durability. Easy-to-Read DynaFact Trans Oil Temp Gauge. Measures transmission oil temperature. Suggested for vehicles that see heavy-duty use. Allows proper lubricant warm-up or cool-down to safeguard transmission life. Color-coded face reads at a glance. 1-Year Limited Warranty. Mounting systems for all of our gauges are available. Temp Gauge Kit, Transmission Oil, for use with Various Applications.