Best Afr Gauge

Our Top 3 Picks

Today is the top-rated Best Afr Gauge and we scoured online reviews for it. Clicking on the links will bring you to the products. All I had to do was rank them according to their popularity. We have put together a list of everything you need to know. Only the most successful ones have been chosen to do research in the future.

# Preview Product Rating
1 AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge
2 AEM (30-4110) UEGO Air/Fuel Ratio Gauge AEM (30-4110) UEGO Air/Fuel Ratio Gauge No ratings yet
3 Wideband UEGO Air/Fuel Ratio Gauge 52mm (2-1/16”) with 4.9 LSU Sensor, Digital AFR Controller Gauge, Wideband O2 Control Sensor kit | 0-5V Analog Output (10-20 AFR Range) Wideband UEGO Air/Fuel Ratio Gauge 52mm (2-1/16”) with 4.9 LSU Sensor, Digital AFR Controller... No ratings yet
4 GlowShift Black 7 Color Digital Wideband Air / Fuel Ratio AFR Gauge Kit - Includes Oxygen Sensor, Data Logging Output & Weld-in Bung - Multi-Color LED Display - Clear Lens - 2-1/16' 52mm GlowShift Black 7 Color Digital Wideband Air / Fuel Ratio AFR Gauge Kit - Includes Oxygen Sensor,... No ratings yet
5 Auto Meter 3379 Sport-Comp Wide Band Air Fuel Ratio Kit,2.3125 in. Auto Meter 3379 Sport-Comp Wide Band Air Fuel Ratio Kit,2.3125 in. No ratings yet
6 GlowShift Black 7 Color Dual Digital Wideband Air / Fuel Ratio AFR Gauge Kit - Includes Oxygen Sensors, Data Logging Output & Weld-in Bungs - Clear Lens - Multi-Color LED Display - 2-1/16' 52mm GlowShift Black 7 Color Dual Digital Wideband Air / Fuel Ratio AFR Gauge Kit - Includes Oxygen... No ratings yet
7 30-4110 UEGO Air/Fuel Ratio Gauge AFR 52mm with 4.9 LSU Sensor, wideband Sensor, WideBand A/F Ratio UEGO O2 Controller Gauge Kit 30-4110 UEGO Air/Fuel Ratio Gauge AFR 52mm with 4.9 LSU Sensor, wideband Sensor, WideBand A/F Ratio... No ratings yet
8 Innovate Motorsports DLG-1 Dual Lambda (AFR) Dual O2 Sensor Gauge Kit - 3891 Innovate Motorsports DLG-1 Dual Lambda (AFR) Dual O2 Sensor Gauge Kit - 3891 No ratings yet
9 GlowShift Elite 10 Color Wideband Air/Fuel Ratio AFR Gauge Kit - Includes Oxygen Sensor, Data Logging Output & Weld-in Bung - Black Dial - Tinted Lens - Peak Recall - 2-1/16' 52mm GlowShift Elite 10 Color Wideband Air/Fuel Ratio AFR Gauge Kit - Includes Oxygen Sensor, Data... No ratings yet
10 GlowShift 10 Color Digital Wideband Air/Fuel Ratio AFR Gauge - Includes Oxygen Sensor, Data Logging Output & Weld-in Bung - Multi-Color LED Display - Tinted Lens - 2-1/16' (52mm) GlowShift 10 Color Digital Wideband Air/Fuel Ratio AFR Gauge - Includes Oxygen Sensor, Data Logging...
11 GlowShift Tinted 7 Color Digital Wideband Air / Fuel Ratio AFR Gauge Kit - Includes Oxygen Sensor, Data Logging Output & Weld-in Bung - Smoked Lens - Multi-Color LED Display - 2-1/16' 52mm GlowShift Tinted 7 Color Digital Wideband Air / Fuel Ratio AFR Gauge Kit - Includes Oxygen Sensor,... No ratings yet
12 GlowShift 10 Color Digital Dual Boost/Vacuum & Wideband Air/Fuel Ratio AFR Gauge Kit - Includes Electronic Sensors - 2 Multi-Color LED Displays - Tinted Lens - 2-1/16' (52mm) GlowShift 10 Color Digital Dual Boost/Vacuum & Wideband Air/Fuel Ratio AFR Gauge Kit - Includes... No ratings yet
13 AEM X-Series Wideband UEGO AFR Sensor Controller Gauge with OBDII Connectivity AEM X-Series Wideband UEGO AFR Sensor Controller Gauge with OBDII Connectivity No ratings yet
14 GlowShift 10 Color Digital Dual Wideband Air/Fuel Ratio AFR Gauge - Includes Oxygen Sensors, Data Logging Output & Weld-in Bungs - 2 Multi-Color LED Displays - Tinted Lens - 2-1/16' (52mm) GlowShift 10 Color Digital Dual Wideband Air/Fuel Ratio AFR Gauge - Includes Oxygen Sensors, Data... No ratings yet
15 AEM 52mm Wideband UEGO Air Fuel Ratio Sensor Controller Gauge w/White Face Kit AEM 52mm Wideband UEGO Air Fuel Ratio Sensor Controller Gauge w/White Face Kit No ratings yet
16 Innovate Motorsports 3892 PSB-1 Boost/Wideband Oxygen Gauge Kit Innovate Motorsports 3892 PSB-1 Boost/Wideband Oxygen Gauge Kit No ratings yet
17 GlowShift Tinted 7 Color Analog Needle Wideband Air / Fuel Ratio AFR Gauge - Includes Oxygen Sensor, Data Logging Output & Weld-in Bung - Black Dial - Smoked Lens - 2-1/16' 52mm GlowShift Tinted 7 Color Analog Needle Wideband Air / Fuel Ratio AFR Gauge - Includes Oxygen Sensor,... No ratings yet
18 GlowShift Black 7 Color Analog Needle Wideband Air / Fuel Ratio AFR Gauge - Includes Oxygen Sensor, Data Logging Output & Weld-in Bung - Black Dial - Clear Lens - 2-1/16' 52mm GlowShift Black 7 Color Analog Needle Wideband Air / Fuel Ratio AFR Gauge - Includes Oxygen Sensor,... No ratings yet
19 GlowShift Tinted 7 Color Narrowband Air/Fuel Ratio AFR Gauge - Lean, Optimal & Rich Readings - Black Dial - Smoked Lens - 2-1/16' 52mm GlowShift Tinted 7 Color Narrowband Air/Fuel Ratio AFR Gauge - Lean, Optimal & Rich Readings - Black... No ratings yet
20 Auto Meter 6171 Cobalt 2-1/16' Wideband Air/Fuel Ratio Analog Gauge Auto Meter 6171 Cobalt 2-1/16" Wideband Air/Fuel Ratio Analog Gauge No ratings yet

It took us a long time to research the most relevant Afr Gauge. After reading all of the resources, here are some of the top-rated products that you can learn more about, as well as where they are heading with their newest products in modern times. We were able to find the most reliable models on the market.

Best Afr Gauge

AEM (30-4110) UEGO Air/Fuel Ratio Gauge

$211.99
$171.26
 in stock
29 new from $158.99
2 used from $162.69
Free shipping
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • 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

AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge

$182.90  in stock
42 new from $180.99
Free shipping
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • The X-Series wideband UEGO AFR sensor controller gauge (PN 30-0300) features a modern, visually striking faceplate and new seven-segment, center display that is 87% larger than the 30-4110 AEM
  • The gauge includes a 0-5v and RS232 Serial Port output for feedback control and data logging, and an AEMnet (CANbus) output for data logging
  • X-Digital wideband technology gives these controllers the ability to read and report values that other controllers do not, which can deliver more optimized engine tuning and a safer overall operating condition
  • Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune
  • When tuning an engine using wideband AFR feedback control on an inertia dyno, dead time affects the data you are looking at because it is reported in a different operating location than when it actually occurred

FHRHRY Wideband UEGO Air/Fuel Ratio Gauge 52mm (2-1/16”) with 4.9 LSU Sensor, Digital AFR Controller Gauge, Wideband O2 Control Sensor kit | 0-5V Analog Output (10-20 AFR Range)

$104.99  in stock
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • 【AIR/FUEL RATIO UEGO GAUGE】Our wideband O2 AFR gauge has a digital LED display and LED "needle" that changes color as the AFR changes from rich to thin; Each gauge is equipped with black and silver bezels and black and white faceplates for multiple color combinations and customized appearance.
  • 【WIDELY COMPATIBILITY】The 52 mm (2-1/16 inch) gauge housing ensures that it fits most instrument pods and can be installed remotely almost anywhere. Our digital wideband gauge have 0-5V analog output, which can be used with data loggers and almost all engine management systems. Confirm compatibility by model number rather than brand or image.
  • 【PREMIUM QUALITY】Accurate A/F ratio data is crucial when adjusting the engine. The 4.9 LSU sensor provides speed and accuracy for the controller, it can react quickly even for every 0.1 air-fuel ratio change, allowing you more time to respond and protect your engine safety. At the same time, it never requires free-air calibration when used with our wideband O2 UEGO AFR gauge.
  • 【INSTALLATION】Thanks to the 52mm housing of the wideband gauge, you can install it almost wherever feasible. Plug and play, very convenient. In order to help you understand the accessories and installation details, we have provided an installation instruction in the package.
  • 【100% SATISFACTION SERVICE】If you have any questions or dissatisfaction, please email us and we will help you solve it perfectly - 24 Months Warranty & 24 Hours Service.

GlowShift Black 7 Color Dual Digital Wideband Air / Fuel Ratio AFR Gauge Kit - Includes Oxygen Sensors, Data Logging Output & Weld-in Bungs - Clear Lens - Multi-Color LED Display - 2-1/16" 52mm

$349.99  in stock
3 new from $349.99
Free shipping
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • GlowShift Black 7 Color Series Dual Wideband Air/Fuel Ratio Gauge is Essential for Tuning & Mapping Out the Air to Fuel Ratios of the Left & Right Banks of Your Performance Vehicle's Engine
  • 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 & (2) 7 Color Digital Displays
  • 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 (2) 4.9 LSU Wideband Oxygen Sensors, (2) Stainless Steel Weld-In Bungs, (2) Mild Steel Weld-In Bungs, (2) Control Boxes, (2) 10' Sensor Harness, 7' Gauge to Control Box & 5' Power Harness Splitter, (2) 3' Data Logging Wires, Gauge Visor, Mounting Hardware & Installation Instructions
  • GlowShift Guarantee with One Year Limited Warranty & Free Lifetime Technical Support

GlowShift Tinted 7 Color Digital Wideband Air / Fuel Ratio AFR Gauge Kit - Includes Oxygen Sensor, Data Logging Output & Weld-in Bung - Smoked Lens - Multi-Color LED Display - 2-1/16" 52mm

$192.99  in stock
3 new from $192.99
Free shipping
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • 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

GlowShift Black 7 Color Digital Wideband Air / Fuel Ratio AFR Gauge Kit - Includes Oxygen Sensor, Data Logging Output & Weld-in Bung - Multi-Color LED Display - Clear Lens - 2-1/16" 52mm

$192.99  in stock
2 new from $192.99
Free shipping
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • 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

Innovate Motorsports 3892 PSB-1 Boost/Wideband Oxygen Gauge Kit

$292.33  in stock
27 new from $292.33
1 used from $225.39
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • All-in-one, boost safety override and wideband air/fuel ratio gauge
  • Wideband O2 Compatible with several fuel types (Leaded, Unleaded, Diesel, E85 & more
  • OLED user configurable display: Boost, shift light, Air/Fuel ratio AFR or Lambda, inHg, PSI, kPa, or BAR
  • 4 BAR map sensor, pressure range -29 inHg to 43.5 PSI (-1 to 3 BAR)
  • Configurable linear 0-5v analog output for wideband O for use with piggy back or stand alone ECU's as well as external data loggers

30-4110 UEGO Air/Fuel Ratio Gauge AFR 52mm with 4.9 LSU Sensor, wideband Sensor, WideBand A/F Ratio UEGO O2 Controller Gauge Kit

$115.28  in stock
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • [WARRANTY] - Please don't worry about the quality of the product, our 30-4110 provide a lifetime warranty, if you have any quality problems after purchasing the product, you can always contact us for an exchange or refund.
  • [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 air fuel ratio 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.

GlowShift 10 Color Digital Dual Wideband Air/Fuel Ratio AFR Gauge - Includes Oxygen Sensors, Data Logging Output & Weld-in Bungs - 2 Multi-Color LED Displays - Tinted Lens - 2-1/16" (52mm)

$359.99  in stock
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • GlowShift 10 Color Digital Series Dual Wideband Air/Fuel Ratio Gauge is Essential for Tuning & Mapping Out the Air to Fuel Ratios of the Left & Right Banks of Your Performance Vehicle's Engine
  • Dual Wideband Air/Fuel Ratio Readings from 10.00 to 20.00 AFR - Set Each Display to its Own Color - 2-1/16" (52mm) Gauge with 2 Digital Displays & Tinted Lens
  • Quick-Glance & Easy to Read Digital Display - 10 Solid Color Modes & 2 Color Cycle Modes - Self-Calibration at Startup Ensures that the Gauge is Performing Optimally
  • Includes (2) 4.9 LSU Wideband Oxygen Sensors, (2) Stainless Steel Weld-In Bungs, (2) Mild Steel Weld-In Bungs, (2) Control Boxes, (2) 10' Sensor Harness, (2) 7' Gauge to Control Box Harness, (2) 3' Data Logging Wires, 5' Power Harness, Gauge Visor, Mounting Hardware & Installation Instructions
  • GlowShift Guarantee with One Year Limited Warranty & Free Lifetime Technical Support

GlowShift Tinted 7 Color Analog Needle Wideband Air / Fuel Ratio AFR Gauge - Includes Oxygen Sensor, Data Logging Output & Weld-in Bung - Black Dial - Smoked Lens - 2-1/16" 52mm

$192.99  in stock
3 new from $192.99
Free shipping
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • GlowShift Tinted 7 Color Series Analog Wideband Air/Fuel Ratio Gauge is Essential for Tuning & Mapping Out the Air to Fuel Ratios of Your Performance Vehicle
  • Wideband Air/Fuel Ratio Readings from 10 to 20 AFR - 2-1/16" (52mm) Gauge with Black Dial, Tinted Lens & Illuminated Red Needle
  • 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

GlowShift Tinted 7 Color Narrowband Air/Fuel Ratio AFR Gauge - Lean, Optimal & Rich Readings - Black Dial - Smoked Lens - 2-1/16" 52mm

$68.99  in stock
2 new from $68.99
Free shipping
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • GlowShift Tinted 7 Color Series Narrowband Air/Fuel Ratio Gauge Monitors & Displays Your Engine's Air to Fuel Mixture by Reading the Voltage Output of a Narrowband Oxygen Sensor
  • Narrowband Air/Fuel Ratio Readings from Lean, Optimal & Rich Mixtures - 2-1/16" (52mm) Gauge with Black Dial, Tinted Lens & Illuminated Red Needle
  • 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 2' Power Harness with 6' Sensor Lead Wire, Gauge Visor, Mounting Hardware & Installation Instructions
  • GlowShift Guarantee with One Year Limited Warranty & Free Lifetime Technical Support

Innovate Motorsports 3894 LM-2 Dual Air/Fuel Ratio Meter (2 Oxygen Basic Kit)

$499.00
$366.13
 in stock
22 new from $366.13
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • Wideband O2 Compatible with several fuel types -Leaded, Unleaded, Diesel, E85 & more
  • Monitor left and right exhaust banks on one single meter. Perfect for V8's
  • User configurable display, AFR or Lambda. OBD-II Scan tool- read/clear DTCs and log up to 16 channels of CAN OBD-II Data
  • Datalog up to 32 channels with optional accessories. Built-in RPM converter-direct frequency or with optional inductive clamp
  • 4 fully-differential analog inputs, 2 configurable linear analog outputs

GlowShift Elite 10 Color Wideband Air/Fuel Ratio AFR Gauge Kit - Includes Oxygen Sensor, Data Logging Output & Weld-in Bung - Black Dial - Tinted Lens - Peak Recall - 2-1/16" 52mm

$199.99  in stock
4 new from $199.99
Free shipping
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • GlowShift Elite 10 Color Series Wideband Air/Fuel Ratio Gauge is Essential for Tuning & Mapping Out the Air to Fuel Ratios of Your Performance Vehicle
  • Wideband Air/Fuel Ratio Readings from 10 to 20 AFR - 2-1/16" (52mm) Gauge with Black Dial, Tinted Lens & Illuminated Red Needle
  • 10 Solid Color Modes & 2 Color Cycle Modes - Peak Recall Ability - Programmable High & Low Warning Notifications with Audible or Visual Alerts
  • 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, Dashboard Pod, Gauge Visor, Mounting Hardware & Installation Instructions
  • GlowShift Guarantee with One Year Limited Warranty & Free Lifetime Technical Support

AEM 52mm Wideband UEGO Air Fuel Ratio Sensor Controller Gauge w/White Face Kit

$199.68  in stock
2 new from $199.66
Free shipping
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • X-Series Wideband UEGO AFR Controller Gauge were fastest responding wideband air/fuel ratio controllers in an independent test vs. 17 competitor wideband AFR controllers. White bezel kit included.
  • Black bezel and black dual faced faceplate, silver bezel/white gauge option included.
  • Display Lambda values from .55 to 2.00
  • Factory calibrated resistor does not require free-air calibration, but technology allows for free-air calibration as sensor ages if user desires.
  • Includes Bosch 4.9LSU wideband UEGO sensor. 52mm gauge diameter and slim 0.825� gauge depth.

AEM X-Series Wideband UEGO AFR Sensor Controller Gauge with OBDII Connectivity

$232.87  in stock
4 new from $232.87
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • Patented X-Digital Technology makes it the Fastest Responding Wideband AFR Controller OBDII pass-through provides AFR readings through the factory ECU CAN-bus – Ideal for users with piggyback programmers or open source tuning software
  • Use the factory 02 calibration or free-air calibrate using buttons on faceplate Compatible with vehicle/system voltages up to 16V Optional outputs for 0-5V & RS232 for data logging and feedback control (requires wiring)
  • Can display AFR values in hundredths of % 52mm gauge diameter and slim 0.825” gauge depth Gauge cup depth only .200” deep!
  • Auto dimming feature User configurable display via buttons on the gauge face for changing AFR values, Lambda and O2%, 3- or 4-digit display and OBDII output settings (if necessary)

GlowShift 10 Color Digital Wideband Air/Fuel Ratio AFR Gauge - Includes Oxygen Sensor, Data Logging Output & Weld-in Bung - Multi-Color LED Display - Tinted Lens - 2-1/16" (52mm)

$199.99  in stock
2 new from $199.99
Free shipping
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • GlowShift 10 Color Digital Series Wideband Air/Fuel Ratio Gauge is Essential for Tuning & Mapping Out the Air to Fuel Ratios of Your Performance Vehicle
  • Wideband Air/Fuel Ratio Readings from 10.00 to 20.00 AFR - 2-1/16" (52mm) Gauge with Digital Display & Tinted Lens
  • Quick-Glance & Easy to Read Digital Display - 10 Solid Color Modes & 2 Color Cycle Modes - Self-Calibration at Startup Ensures that the Gauge is Performing Optimally
  • 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

HOTSYSTEM 7 Color Air/Fuel Ratio AFR Gauge Kit Narrowband Pointer & LED Digital Readouts 2-1/16" 52mm Black Dial for Car Truck

$34.99  in stock
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • 2 1/16 Inches (52mm) black face gauge, One Year Limited Warranty.
  • Air/Fuel Ratio Gauge Monitoring car's air/fuel ratio lean-optimal-rich(from 10.0 to 20.0),so you can change air to fuel ratio to maximized power and engine performance, reduced emissions, and higher fuel economy.
  • Display Feature: An pointer gauge with an illuminated red needle and blue LED display,7 Solid Color Settings for easier night driving.
  • Easy Installation: Comes with 1.94ft Power Wire and installation instructions,make the install process quick and easy.
  • Note: They are only accurate at sea level. IF you have any product or installation issue,please contact us, we will offer a good solution within 24hours.

Innovate Motorsports 3873 DB Series Green 2-1/16" 52mm Complete Wideband Gauge Kit with LC-1, O2 Sensor, Bung and Plug

$209.00
$187.27
 in stock
22 new from $179.00
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • Package Dimensions: 7.366 H x 18.796 L x 28.194 W (centimetres)
  • Package Weight: 2.05 pounds
  • Country of Origin : United States
  • Fit type: Vehicle Specific

Innovate Motorsports 3918 MTX Series MTX-L Plus Wideband Gauge, Black / White, 52mm

$219.00
$191.18
 in stock
22 new from $188.78
1 used from $125.07
Free shipping
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • Fit type: Universal Fit

AEM 52mm X-Series Gauge Kit Wideband Air/Fuel & Oil/Fuel Pressure & Boost Turbo w/MAP Lanyard Black

$570.21  in stock
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • This AEM 3 gauge kit is a popular combo Compatible with commonly used gauges and Compatible with. Our official MAPerformance lanyard included as a special bonus!
  • AEMs 30-0306 X-Series -30in/Hg~35PSI / -1~2.5BAR Digital Boost Display gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features!
  • AEMs 30-0301 X-Series 100 PSI/7 BAR Digital Oil/Fuel Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features!
  • The X-Series Wideband UEGO AFR Sensor Controller Gauge (PN 30-0300) measures 2 1/16th-inch (52mm) in diameter, and features a modern, visually striking faceplate and new seven-segment center display.
  • Slim 0.825 overall gauge depth and 0.200 cup depth mount them virtually anywhere! Black faceplates and bezels included.

Auto Meter 3670 Sport-Comp II 2-1/16" Wideband Air/Fuel Ratio Analog Gauge

$231.99  in stock
13 new from $231.11
Free shipping
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • Modern white LED through-the-dial lighting provides clear visibility during nighttime use
  • 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
  • Auto Meter’s race proven digital stepper motor electric instruments provide unmatched accuracy which is further increased by utilizing a self calibration sequence during power up
  • Display range of 8:1 to 18:1
  • Suitable for use with gasoline powered engines

Auto Meter 3379 Sport-Comp Wide Band Air Fuel Ratio Kit,2.3125 in.

$214.95  in stock
30 new from $208.71
Free shipping
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • 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

Innovate Motorsports 3891 DLG-1 Dual Lambda Oxygen Gauge Kit

$399.00
$341.85
 in stock
7 new from $339.95
Free shipping
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • Monitor left and right exhaust banks on one single gauge
  • Wideband O2 Compatible with several fuel types (Leaded, Unleaded, Diesel, E85 & more)
  • Perfect for all V configured engines
  • Plug & Play setup for both O2 sensors
  • User configurable OLED display (AFR or Lambda)

Auto Meter 4379 Ultra-Lite Wide Band Air Fuel Ratio Kit,2.3125 in.

$214.95  in stock
46 new from $208.71
Free shipping
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • 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

Auto Meter 3370 Sport-Comp Wide Band Air Fuel Ratio Kit,2.3125 in.

$222.97  in stock
13 new from $222.97
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • Traditional incandescent lighting illuminates around the perimeter of the dial
  • Gauge kit includes custom tuned .1 AFR Resolution Bosch LSU4.2 Sensor, 8ft. wiring harness, 304 stainless steel weld-in bung, bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed instructions for installation
  • Auto Meter’s race proven digital stepper motor electric instruments provide unmatched accuracy which is further increased by utilizing a self calibration sequence during power up
  • Display range of 8:1 to 18:1
  • Suitable for use with gasoline powered engines

AEM X-Series 52mm UEGO A/F Ratio w/OBDII Gauge Set + Boost 35psi + Fuel or Oil Pressure 0-150psi

$651.55  in stock
3 new from $651.55
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • Three popular AEM gauges in a convenient combo set.
  • All gauges are brand new, complete in box. 52mm gauge diameter and slim 0.825� gauge depth. User selectable standard or metric display ( -30in/Hg~35PSI / -1~2.5BAR). OBDII pass through provides AFR readings through the factory ECU CAN-bus � Ideal for users with piggyback programmers or open source tuning software!
  • AEM�s 30-0306 X-Series -30in/Hg~35PSI / -1~2.5BAR Digital Boost Display gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features.
  • AEM�s 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly accurate oil or fuel pressure readouts in their high performance vehicle.

AEM 2 Gauge Display Set - UEGO WideBand A/F Ratio Gauge (30-4110) + Boost Pressure Gauge (30-4406)

$358.43  in stock
2 new from $358.43
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • 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.

AEM 52mm X-Series Gauge Kit Wideband Air/Fuel UEGO & Boost Pressure 35PSI 2.5Bar w/MAP Lanyard Black

$378.41  in stock
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • This AEM 2 gauge kit is a popular combo for commonly used gauges and applications. Our official MAPerformance lanyard included as a special bonus!
  • AEMs 30-0306 X-Series -30in/Hg~35PSI / -1~2.5BAR Digital Boost Display gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features!
  • The X-Series Wideband UEGO AFR Sensor Controller Gauge (PN 30-0300) measures 2 1/16th-inch (52mm) in diameter, and features a modern, visually striking faceplate and new seven-segment center display.
  • X-Series Wideband UEGO AFR Controller Gauge were fastest responding wideband air/fuel ratio controllers in an independent test vs. 17 competitor wideband AFR controllers. Includes Bosch 4.9LSU wideband UEGO sensor
  • Slim 0.825 overall gauge depth and 0.200 cup depth mount them virtually anywhere! Black faceplates and bezels included.

Auto Meter 4370 Ultra-Lite Wide Band Air Fuel Ratio Kit

$223.99  in stock
19 new from $223.99
Free shipping
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • Traditional incandescent lighting illuminates around the perimeter of the dial
  • Gauge kit includes custom tuned .1 AFR Resolution Bosch LSU4.2 Sensor, 8ft. wiring harness, 304 stainless steel weld-in bung, bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed instructions for installation
  • Auto Meter’s race proven digital stepper motor electric instruments provide unmatched accuracy which is further increased by utilizing a self calibration sequence during power up
  • Display range of 8:1 to 18:1
  • Suitable for use with gasoline powered engines

AEM 3 Gauges Combo Set UEGO WideBand A/F Ratio (30-4110) + Oil Pressure (30-4401) + Turbo Boost (30-4406)

$564.69  in stock
3 new from $564.69
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • 3 popular AEM gauges in a convenient 3 piece combo set.
  • Set Includes: AEM Wideband UEGO Air/Fuel Ratio Gauge 30-4110, AEM Boost Display Gauge (-30-35PSI) 30-4406, AEM Digital Pressure Display Gauge (0-100 psi) 30-4401
  • All gauges are brand new, complete in box.

ARTILAURA 2-1/16" 52mm Air/Fuel Ratio Gauge LED Digital Display with Narrowband O2 Oxygen Sensor Car Gauge for 12V Car

$64.99  in stock
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • 【Function】Numbers clearly show, LED backlit for easy reading in the darkness.
  • 【Range】 2-1/16" (52mm) gauge with black dial. Air/Fuel Ratio readings from 10.00 to 20.00 AFR.
  • 【Applicability】Air Fuel Ratio gauge compatible for 12 volt car. High sensitivity and easy operation.
  • ✅【Oxygen Sensor】Oxygen Sensor OEM:0258006028, Working Voltage: DC12V, Spiral: M18*1.5, Use Wrench: 22mm, Output Voltage: Maximum value ≥900mv/ minimum value ≤50mv.
  • ⭐⭐⭐⭐⭐[After-Sale Guarantee]Includes 1x Air Fuel AFR Gauge, 1x Narrowband Oxygen Sensor, 1x English Manual. Please contact us if you are dissatisfied with our products, the response will be taken in 24 hours and provide proper solutions.

Innovate Motorsports (3837) LM-2 (BASIC) Digital Air/Fuel Ratio Wideband Meter incl. Bosch LSU 4.9 , Black

$261.02  in stock
25 new from $259.00
3 used from $219.65
Free shipping
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • Patented “Direct Digital” Wideband Technology
  • Wideband O2 sensor (Bosch LSU 4.9) is compatible with most fuel types (leaded, unleaded, diesel, methanol, E85, etc)
  • includes the LM-2, Bosch LSU 4.9, 8 ft sensor cable, cigarette-lighter power, USB cable, weld-in bung and plug, and quick-start guide.
  • Positive lock connectors for all connections

AEM 2 Gauge Display Set UEGO WideBand Air/Fuel Ratio Gauge + Boost Pressure Gauge -30-35psi + MAPerformance Lanyard

$401.31  in stock
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • 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.

AUTO METER 200870-33 Gauge, Air/Fuel Ratio-Wideband, Analog, 2 5/8", 8:1-18:1, Stpr Mtr, Marine Silvr

$196.98  in stock
2 new from $184.99
Free shipping
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • Traditional incandescent lighting illuminates around the perimeter of the dial
  • Gauge kit includes custom tuned .1 AFR Resolution Bosch LSU4.2 Sensor, 25ft. wiring harness, 304 stainless steel weld-in bung, bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed instructions for installation
  • AutoMeter’s race proven digital stepper motor electric instruments provide unmatched accuracy which is further increased by utilizing a self calibration sequence during power up
  • Display range of 8:1 to 18:1
  • Suitable for use with gasoline powered engines

Auto Meter 5779 Phantom Wide Band Air Fuel Ratio Kit,2.3125 in.

$219.51  in stock
24 new from $217.52
Free shipping
Amazon.com
as of April 17, 2022 10:15 pm

Features

  • 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

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