Superior Precision and Durability. Easy-to-Read DynaFact Gauge. Measures engine oil temperature. Suggested for vehicles that see heavy-duty use. Allows proper lubricant warm-up or cool-down to safeguard engine life. Color-coded face reads at a glance. 1-Year Limited Warranty. Mounting systems for all of our gauges are available Temp Gauge Kit, Engine Oil for use with Cummins 5.9L and 8.3L Motorhome Key Features: Superior Precision and Durability Measures engine 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 CARB E.O. Not Required