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Sustainable Autometer 3870 Gauge; Air/fuel Ratio-wideband; Analog; 2 1/16in.; 8:1-18:1; Stepper Motor; Gs Order Today [Ij0pC3dV]

$57.99 $185.99 -69%

AutoMeter 3870 GAUGE: The Ultimate Air/Fuel Ratio MonitorIntroducing the AutoMeter 3870 GAUGE, a cutting-edge wideband air/fuel ratio gauge designed to ensure optimal engine performance and safety. This precision instrument is a must-have for any ent

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Sustainable Autometer 3870 Gauge; Air/fuel Ratio-wideband; Analog; 2 1/16in.; 8:1-18:1; Stepper Motor; Gs Order Today [Ij0pC3dV]

AutoMeter 3870 GAUGE: The Ultimate Air/Fuel Ratio Monitor

Introducing the AutoMeter 3870 GAUGE, a cutting-edge wideband air/fuel ratio gauge designed to ensure optimal engine performance and safety. This precision instrument is a must-have for any enthusiast looking to extract the most power from their gasoline-powered engine. With its advanced features and user-friendly design, the 3870 GAUGE is the perfect addition to your vehicle's dashboard. Key features include a wide 8:1-18:1 display range, a digital stepper motor for unmatched accuracy, and an auto calibration system that guarantees precise readings every time.
  • Wide 8:1-18:1 display range for accurate air/fuel ratio monitoring
  • Digital stepper motor for precise and reliable readings

Advanced Features and Specifications

The AutoMeter 3870 GAUGE is built with the latest technology to provide you with the most important functions necessary for maximizing power safely. Its analog needle display seamlessly integrates with other gauges, making it easy to visualize the rate of change and actual value. The gauge also features an advanced auto calibration system that automatically calibrates on every startup, ensuring the highest degree of accuracy throughout the lifespan of your sensor. Additional specifications include:
  • 12 and 16 volt compatible for use with nearly every street car or race car electrical system
  • Included .1 AFR resolution Bosch LSU4.2 sensor and 8ft. wiring harness for easy installation
  • Modern green LED through-the-dial lighting for clear visibility during nighttime use
This gauge is designed for gasoline applications and provides the same degree of accuracy and response as the Pro version, but at a reduced cost. Experience the difference with the AutoMeter 3870 GAUGE.

Practical Uses and Installation

The AutoMeter 3870 GAUGE is an invaluable tool for both street and race car enthusiasts. Its practical uses include monitoring air/fuel ratios during tuning, ensuring optimal engine performance, and maintaining safety. The gauge is easy to install, with a specially designed O2 sensor and wiring harness included for convenience. With its user-friendly design and advanced features, the 3870 GAUGE is the perfect choice for anyone looking to improve their vehicle's performance and safety. Don't miss out on the opportunity to experience the benefits of this top-of-the-line air/fuel ratio gauge.
  • Monitor air/fuel ratios for optimal engine performance
  • Ensure safety and prevent engine damage
  • Easy installation with included sensor and wiring harness
The AutoMeter 3870 GAUGE is a reliable and efficient solution for any enthusiast looking to take their vehicle's performance to the next level.

What Our Customers Say

January 25, 2026

Absolutely no complaints!

An outstanding tool. And it is very well made.

- Tudur N..

January 25, 2026

Absolutely no complaints!

A great product. And I'm very, very happy with it.

- Illtyd Q..

January 25, 2026

Absolutely no complaints!

I'm very happy with my really, really great item.

- Cadwaladr E..

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