SKU #: AM-7931 MPN #: 7931

Auto Meter COBALT Water Temperature Gauge

$144.92
Get 144 points in loyalty rewards
Description Overview
Keep coolant temperatures in check with the AutoMeter Cobalt Water Temperature Gauge, designed to help you monitor engine heat and identify potential cooling system issues before they affect performance or reliability. Whether you're driving daily, towing heavy loads, or building a performance vehicle, keeping an eye on coolant temperature helps you understand how your engine is operating under different conditions. Available in 2-1/16-inch and 2-5/8-inch sizes, these gauges offer multiple temperature ranges and mechanical or electric operation to match your setup and dashboard preferences. The mechanical versions use a precision Bourdon tube movement and are available in 120–240°F and 140–280°F ranges. They include a 6-foot capillary tube, a 1/2-inch NPT adapter, and mounting hardware, operating without an electrical connection to measure temperature. The electric versions feature an air-core movement, an included temperature sender, and a 100–250°F range, allowing coolant temperature to be monitored without routing a capillary tube into the cab. All options feature Cobalt's distinctive black dial, bright bezel, and blue LED through-the-dial lighting for clear readings and a coordinated performance-inspired look. Choose the gauge size, temperature range, and operating style that best suit your engine and installation.
Select Gauge Size

Product photos may not match the selected option. Please confirm your choice before adding to cart.

Enter your zip and we'll see if installation is available.

  • Request quotes from local installers at checkout
  • Compare options and choose the best fit for your install

The Auto Meter Cobalt Water Temperature Gauge monitors engine coolant heat, available in mechanical or electric versions with multiple temperature ranges and sizes.

Fits
Universal
Brand
Auto Meter
Best for
Monitoring coolant temperature during towing or performance driving
Key features
  • Black dial with bright bezel
  • Blue LED through-the-dial lighting
  • Mechanical version uses precision Bourdon tube movement
  • Mechanical version operates without an electrical connection
  • Electric version uses air-core movement
  • Electric version includes a temperature sender
  • Mechanical kit includes 6-foot capillary tube, 1/2-inch NPT adapter, and mounting hardware
Key specs
  • 2-1/16-inch and 2-5/8-inch sizes
  • Mechanical range: 120–240°F
  • Mechanical range: 140–280°F
  • Electric range: 100–250°F
  • 6-foot capillary tube
  • 1/2-inch NPT adapter

Summarized by AI from this product’s description and specs. Confirm fitment for your year, make and engine before ordering.

Keep coolant temperatures in check with the AutoMeter Cobalt Water Temperature Gauge, designed to help you monitor engine heat and identify potential cooling system issues before they affect performance or reliability. Whether you're driving daily, towing heavy loads, or building a performance vehicle, keeping an eye on coolant temperature helps you understand how your engine is operating under different conditions. Available in 2-1/16-inch and 2-5/8-inch sizes, these gauges offer multiple temperature ranges and mechanical or electric operation to match your setup and dashboard preferences.

The mechanical versions use a precision Bourdon tube movement and are available in 120–240°F and 140–280°F ranges. They include a 6-foot capillary tube, a 1/2-inch NPT adapter, and mounting hardware, operating without an electrical connection to measure temperature. The electric versions feature an air-core movement, an included temperature sender, and a 100–250°F range, allowing coolant temperature to be monitored without routing a capillary tube into the cab. All options feature Cobalt's distinctive black dial, bright bezel, and blue LED through-the-dial lighting for clear readings and a coordinated performance-inspired look. Choose the gauge size, temperature range, and operating style that best suit your engine and installation.

Vehicle Fitment
Universal
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
About Auto Meter
Auto Meter has long been renowned for the manufacture of their gauges, ranging from huge tachometers with shift lights to small, vintage style analog clock gauges. We offer a complete line of Auto Meter gauge pods and mounts to help put you in the cockpit of your Cummins, Powerstroke, or Duramax. Auto Meter's most popular selling pod is a simple A-pillar mount in which you can store anywhere from one to four gauges (depending on application) on the trim piece between the windshield and your driver's side door. Also available are dash top mounts and steering column mounts to bring the gauges directly in your line of sight as you are driving. A new style that has become popular are the overhead console mounts that put the gauges above the rearview mirror. Besides the previously mentioned, Auto Meter also carries universal cup style mounts, roll bar mounts, and about any possibly way to install your gauges where you want them for easy viewing.