AutoMeter ATM4391 Ultra-Lite 52mm Short Sweep Electronic Voltage Gauge

Keep tabs on the health and output of your vehicles electrical system safely and accurately. With a patented air core meter movement, this gauge operates with category defining accuracy anywhere from 8-18 volts on negative ground electrical systems. Installation is simple and it can keep you from being stranded on the side of the road. GAUGE, VOLTMETER, 2 1/16", 18V, ELEC, ULTRA-LITE

• Gauge kit includes bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed instructions for installation
• 12 and 16 volt compatible, well-suited with nearly every street car or race car electrical system
• AutoMeter’s race proven air-core electric instruments provide quick and accurate readings
• Traditional incandescent lighting illuminates around the perimeter of the dial

Monitor the health and output of a vehicle’s electrical system with the AutoMeter ATM4391 Ultra-Lite electronic voltage gauge. Designed for negative-ground electrical systems, this gauge provides accurate readings across an 8–18 volt range to help identify electrical issues before they leave you stranded.

The gauge is compatible with 12- and 16-volt electrical systems, making it suitable for nearly every street car or race car electrical system. Its race-proven air-core electric movement delivers quick, accurate readings, while traditional incandescent lighting illuminates the perimeter of the dial for clear visibility. Installation is straightforward with the included bulb and socket assembly, bulb covers, mounting hardware, and installation instructions.

Key Features & Performance Benefits

• Accurate monitoring: Measures electrical system voltage from 8–18 volts on negative-ground systems.
• Broad electrical compatibility: Works with 12- and 16-volt vehicle electrical systems.
• Quick response: Race-proven air-core electric movement provides fast readings.
• Clear illumination: Traditional incandescent lighting illuminates around the dial perimeter.

Key Product Specifications & Technical Data

• Brand: AutoMeter
• Part number: ATM4391
• Series: Ultra-Lite
• Gauge type: Electronic voltage gauge
• Gauge size: 52 mm
• Voltage range: 8–18 volts
• Electrical system: Negative ground
• Lighting: Traditional incandescent perimeter lighting

What’s Included in the Box

The kit includes the gauge, bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed installation instructions. Fitment information was not provided.

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1