White & Green MaxTow Wideband Air/Fuel Ratio Gauge

Your Price: $199.99
Item Number:
Gauge Series:
White & Green MaxTow Series
Gauge Type:
Wideband Air/Fuel Ratio
Range of Reading:
10.0 - 20.0 AFR
Face Color:
Backlighting Color:
Sending Unit:
Measurement Unit:
MaxTow Wideband Air Fuel Ratio Gauge Kit - Double Vision | Digital & Analog Readings - O2 Sensor - White Dial | Green LED - 52mm | 2-1/16"
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Installation Support
One Year Warranty

MaxTow’s White Face Double Vision™ Series Wideband Air/Fuel Ratio Gauge is essential when tuning any truck allowing you to closely monitor your truck’s air to fuel ratio. Using this wideband air to fuel ratio gauge offers multiple benefits such as reduced emissions, higher fuel economy and maximized power and engine performance. This allows you to carefully map out your truck’s air to fuel ratios throughout the range of RPM and manifold pressure which results in maximized power output.

MaxTow’s White Wideband Air/Fuel Ratio Gauge features Double Vision Technology which offers the user both analog and digital readouts from 10.0 to 20.0 AFR down to one decimal place. Each wideband air/fuel ratio gauge comes standard with the 4.9 LSU Wideband Oxygen Sensor that installs directly to the truck’s exhaust with the included weld-in bung and 13ft sensor wire that connects to the back of the gauge. This wideband AFR gauge also has a data logging capability that allows you to connect it to virtually any data logging or engine management system for further fine tuning. MaxTow includes installation instructions, free lifetime technical support and a one year limited warranty with each Wideband Air/Fuel Ratio Gauge purchase. Get ready to hit the road and Tow to the Max™

Note: The Wideband Oxygen Sensor includes 30 day manufacturer’s warranty. MaxTow does not warranty this oxygen sensor after that 30 day time frame.

  • 2 1/16 Inch (52mm) White Face Gauge with Magnified Lens
  • Double Vision Technology with Analog and Digital Readouts
  • Reads from 10.0 to 20.0 AFR Down to One Decimal Place
  • Digital 12 Volt Wideband Controller Unit with Data Logging Output
  • 4.9 LSU Wideband Oxygen Sensor
  • Green LED Through Dial Lighting with a Red Illuminated Needle
  • Daytime Dimming Mode with 3 Customizable Brightness Settings
  • Nighttime Dimming Mode with 3 Customizable Brightness Settings
  • 13 Foot Sensor Wire Harness
  • 5 Foot Power Wire Harness
  • Weld-In Bung
  • Gauge Visor
  • Mounting Hardware
  • Installation Instructions
  • Free Lifetime Technical Support
  • One Year Limited Warranty
Tech Specs
Range of Reading: 10.0 to 20.0 AFR
Control Box Features: Data Logging
Sensor Type: 4.9 LSU Wideband Oxygen Sensor
Diameter of Gauge: 2-1/16" or 52mm
Depth of Gauge: 1-5/16" or 33mm
12-Volt Power Required:
Power Wire Harness Length: 3'
Included Parts List: Power Harness, 4.9 LSU Wideband Oxygen Sensor, Weld-In Bung, Digital 12 Volt Wideband Controller Unit with Data Logging Output, Mounting Hardware, Gauge Visor and Instructions
Power Harness Gauge Size: 18 Gauge

Includes an installation guide which is available online and included with your order. You can also visit our library of installation videos which include complete step-by-step tutorials and useful tips on how to install a wide range of MaxTow products.

Download and Print the PDF PDF Instructions