Sale

Gauges and Accessories› Individual Gauges

AutoMeter

Autometer Cobalt 52mm Digital Voltmeter 8-19 Volts Gauge

$169.83 $128.45 Save $41.38

SKU: A00Q 6391

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Overview

The AutoMeter 6391 is a digital voltmeter gauge designed for monitoring vehicle electrical systems. It features a 2-1/16" (52.4mm) gauge size and displays voltage readings from 8-18V with precise resolution down to a tenth of a volt. The gauge utilizes a digital LED display for clear visibility and is compatible with negative ground electrical systems.
Show original supplier description

Part #: 6391

Keep Tabs On The Health And Output Of Your Vehicles Electrical System Safely And Accurately With Autometers Ultra Precise Digital Voltmeter. With Precise Resolution Down To A Tenth Of A Volt, This Gauge Operates Anywhere From 8-18 Volts On Negative Ground Electrical Systems. A Direct Plug In Wiring Harnesses Included For Ease Of Installation.

Features:

  • Features Autometers E-Z View Digital Led Display System Which Maximizes Readability And Minimizes Distracting High Speed Digit Changes
  • Gauge kit includes wiring harness, mounting hardware, and detailed instructions for installation
  • Autometers Race Proven Digital Stepper Motor Electric Instruments Provide Unmatched Accuracy Which Is Further Increased By Utilizing A Self Calibration Sequence During Power Up
  • 12 and 16 volt compatible, compatible with nearly every street car or race car electrical system
  • Registers voltage down to a tenth of a volt

Features Autometers E-Z View Digital Led Display System Which Maximizes Readability And Minimizes Distracting High Speed Digit Changes

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandAutoMeter
Part NumberA00Q 6391

About MOTORMIA

5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy