Gauge: Transmission Temperature Range:100-260 deg.F Size: 2 1/16" (52.4mm) Type: Electric/Full Sweep Notes: -Full sweep precision stepper motor movement. -Includes 1/8" NPT Sender. -Includes 3/8"" NPT adapter/fitting. -Includes 1/2"" NPT adapter/fitting. -Styling matched to 1999-2006 and 2007 "Classic" Silverado and Sierra models