The Best Automotive Replacement Air Fuel Ratio Gauges of 2023

Connect to oxygen sensor and determine whether the engine is running rich or lean for maximum performance efficiency

Dual display offers independent or dual left/right bank vs. inline readings

Color LEDs provide a quick visual display of air/fuel ratio

Aluminum bezel is lightweight and optimizes appearance

Rear twist-on ring mount design makes mounting simple

🔧[AIR/FUEL RATIO GAUGE] - UEGO Air/Fuel Ratio Gauge is a broadband UEGO Air/Fuel Ratio Controller (AFR) and instrumentation in one. It combines precision, speed, and control with an easy-to-read digital LED display and LED "pointers" that change colors as the AFR changes from rich to thin.

🔧[FUNCTION] - Accurate AFR data is critical when tuning an engine. Using a wideband air/fuel controller during the tuning process allows you to monitor AFR and adjust tuning parameters to optimize them for maximum power and efficiency.

🔧[HIGH QUALITY] - Every gauge features a 0-5V analog output, compatible with data loggers and practically any engine management system. In use, it’s highly responsive and accurate, thanks to a UEGO sensor housed inside.

🔧[INSTALL] - Thanks to its 52mm housing, the versatile gauge will fit into the majority of gauge pods. The gauge also features interchangeable faceplates and bezels, making it simple to achieve the ideal look for your car. To help you get started, the device comes with everything you’ll need for a hassle-free installation.

🔧[WARRANTY] - Our products provide a 2-year warranty service. If you have any questions about the product before or after the purchase, you can contact us at any time.

GlowShift Black 7 Color Series Digital Wideband Air/Fuel Ratio Gauge is Essential for Tuning & Mapping Out the Air to Fuel Ratios of Your Gasoline or E85 FlexFuel Performance Vehicle

Gasoline Wideband Air/Fuel Ratio Readings from 10.00 to 20.00 AFR - E85 Wideband Air/Fuel Ratio Readings from 6.00 to 12.00 AFR- 2-1/16" (52mm) Gauge with Black Dial, Clear Lens & 7 Color Digital Display

7 Solid Color Modes & 2 Color Cycle Modes Allow You to Match Your Factory Dashboard Lights or Add a Custom Style to the Interior of Your Vehicle - Colors Include Blue, Red, Green, Teal, Purple, White & Yellow - Connecting the Dimmer Wire to the Headlight Switch Reduces Brightness of the Gauge by 30% When the Headlights are On

Includes 4.9 LSU Wideband Oxygen Sensor, Weld-In Bung, Control Box, 10' Sensor Harness, 7' Gauge to Control Box Harness, 5' Power Harness, 3' Data Logging Wire, Gauge Visor, Mounting Hardware & Installation Instructions

GlowShift Guarantee with One Year Limited Warranty & Free Lifetime Technical Support

Patented DirectDigital wideband sensor control, 100% digital wideband air/fuel ratio technology!

52mm (2 1/6”) diameter gauge body

Digital display in AFR or Lambda

Bosch LSU4.9 Wideband O2 Sensor is compatible with all fuel types (Leaded, Unleaded, Diesel, Methanol, E85, etc)

Ability to calibrate O2 sensor for increased accuracy

Gauge kit includes custom tuned .1 AFR Resolution Bosch LSU4.2 Sensor, 8ft. wiring harness, 304 stainless steel weld-in bung, mounting hardware, and detailed instructions for installation

0-4v data output feed for ECU, data acquisition unit, or Laptop tuning

Suitable for use with gasoline powered engines

Digital segment display and LED radial bar graph display

12 and 16 volt compatible, compatible with nearly every street car or race car electrical system

2 popular AEM gauges in a convenient combo set. All gauges are brand new, complete in box.

Set Includes:AEM Wideband UEGO Air/Fuel Ratio Gauge 30-4110 AEM Boost Display Gauge (-30-35PSI) 30-4406

All gauges are brand new, complete in box.

Interchangeable black and white faceplates included for customizing gauge appearance

Bosch 4.9 LSU wideband sensor and weld-in bung included PN 30-4110

No free air sensor calibration required ever. A 2-1/16 inch gauge housing ensures that it will fit in most gauge pods and can be remotely mounted virtually anywhere

Interchangeable black and silver bezels included. 52mm (2-1/16”) gauge housing

0-5V analog output 10-20 AFR range only

GlowShift Tinted 7 Color Series Digital Wideband Air/Fuel Ratio Gauge is Essential for Tuning & Mapping Out the Air to Fuel Ratios of Your Gasoline or E85 FlexFuel Performance Vehicle

Gasoline Wideband Air/Fuel Ratio Readings from 10.00 to 20.00 AFR - E85 Wideband Air/Fuel Ratio Readings from 6.00 to 12.00 AFR- 2-1/16" (52mm) Gauge with Black Dial, Tinted Lens & 7 Color Digital Display

7 Solid Color Modes & 2 Color Cycle Modes Allow You to Match Your Factory Dashboard Lights or Add a Custom Style to the Interior of Your Vehicle - Colors Include Blue, Red, Green, Teal, Purple, White & Yellow - Connecting the Dimmer Wire to the Headlight Switch Reduces Brightness of the Gauge by 30% When the Headlights are On

Includes 4.9 LSU Wideband Oxygen Sensor, Weld-In Bung, Control Box, 10' Sensor Harness, 7' Gauge to Control Box Harness, 5' Power Harness, 3' Data Logging Wire, Gauge Visor, Mounting Hardware & Installation Instructions

GlowShift Guarantee with One Year Limited Warranty & Free Lifetime Technical Support

Accuracy of analog LED type:Every 0.5%,using BAR type to light up.

Display range:Digital type is from 20.0% to 10.0%;Analog LED type is from 20.0% to 10.0%;Both of digital type and analog LED type will show the maximum or the minimum,if the value out off the display range.

Warning(Red Light):At start, the voltage is lower than 11.0V,the value of AIR/FUEL is lower than 0.8 or higher than 10BAR(lower than 12 or higher than 120PSI).

Direct analog:The digital has 20 LED pcs, 10.0%≤Air/Fuel ratio≤12.5%,the LED lights appear green among 6pcs; 13.0%≤ratio≤17.5%, the LED lights appear yellow among 10pcs;18.0%≤ratio≤19.5%, the LED lights appear red among 4pcs.

Easy installation:Our gauge includes electric wire with necessary mounting and installation hardware,no need other sensor, your existing oxygen sensor can fit it well.

Diameter: 2"/52mm.

Red LED illuminated needles.

LED super white display.

Air/Fuel Ratio Gauge

Power: DC(10-15V) 12V Professional.