Easy - to - Read DynaFact Gauge Color - coded face reads at a glance. Allows proper lubricant warm - up or cool - down to safeguard engine life. Suggested for vehicles that see heavy - duty use. Mounting systems for all of our gauges are available. Key Features Superior Precision Durability,Measures engine and transmission oil temperature,Easy - to - Read DynaFact Gauge,Color - coded face reads at a glance,Allows proper lubricant warm - up or cool - down to safeguard engine life,Suggested for vehicles that see heavy - duty use,Mounting systems for all of our gauges are available,Includes Engine Oil Temperature Sender and all necessary hardware