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. 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. Temp Gauge Kit, Engine Oil for use with Cummins 5.9L and 8.3L Motorhome. Superior Precision ; 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