MaxTow’s Black & Blue Double Vision™ Series Wideband Air/Fuel Ratio Gauge is essential when tuning any diesel 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 Black & Blue 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 Bosch 4.9 LSU Wideband Oxygen Sensor that installs directly to the truck’s exhaust with the included weld-in bung and 13' 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 purchase. Get ready to hit the road and Tow to the Max™
Rich: 10 ~ 12.9 AFR | Optimal: 13 ~ 17.9 AFR | Lean: 18 ~ 20 AFR
Note: The included Bosch 4.9 LSU Wideband Oxygen Sensor includes Bosch's 30 day manufacturer's warranty. MaxTow does not warranty this oxygen sensor after that 30 day time frame.
- 2 1/16" (52mm) Black 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
- Bosch 4.9 LSU Wideband Oxygen Sensor
- Blue 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' Sensor Wire Harness
- 5' Power Wire Harness
- Weld-In Bung
- Gauge Visor
- Mounting Hardware
- Installation Instructions
- Free Lifetime Technical Support
- One Year Limited Warranty
![]() Clamp-On Oxygen Sensor Bung Adapter:
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MaxTow Double Vision Gauges provide diesel truck drivers with the most reliable gauge readings when hitting the road and towing to the Max! The MaxTow Double Vision Gauge Series provides the classic look of an analog gauge along with an easy-to-read LED digital numerical readout available with blue or green LEDs, illuminated red needle, and is available with a white or black face. There are 6 customizable levels of dimming to allow for total gauge visibility while driving during the day or late hours of the night. Innovative stepper motor technology allows for exceptionally smooth needle movement providing extremely reliable and accurate gauge readings for monitoring any truck’s most vital parts. Monitor boost pressure, transmission temperature, EGT and more. Get ready to hit the road and Tow to the Max®! For more information: Black and Blue - https://www.maxtow.com/black-blue-maxtow-double-vision-gauge-series/?utm_campaign=MaxTow%20Promo%20Video&utm_medium=Social&utm_source=YouTube&utm_content=MaxTow%20black%20blue%20Promo%20Video%20description%20link&utm_term= White and Blue - https://www.maxtow.com/white-blue-maxtow-double-vision-gauge-series/?utm_campaign=MaxTow%20Promo%20Video&utm_medium=Social&utm_source=YouTube&utm_content=MaxTow%20white%20blue%20Promo%20Video%20description%20link&utm_term= Black and Green - https://www.maxtow.com/black-maxtow-double-vision-gauge-series/?utm_campaign=MaxTow%20Promo%20Video&utm_medium=Social&utm_source=YouTube&utm_content=MaxTow%20black%20green%20Promo%20Video%20description%20link&utm_term= White and Green - https://www.maxtow.com/white-maxtow-double-vision-gauge-series/?utm_campaign=MaxTow%20Promo%20Video&utm_medium=Social&utm_source=YouTube&utm_content=MaxTow%20white%20green%20Promo%20Video%20description%20link&utm_term= Connect with us on social: Facebook: https://www.facebook.com/MaxTow.Gauges Twitter: https://twitter.com/MaxTow Instagram: https://www.instagram.com/maxtow/
MaxTow Double Vision Gauge Series
MaxTow Double Vision Gauges provide diesel truck drivers with the most reliable gauge readings when hitting the road and towing to the Max! The MaxTow Double Vision Gauge Series provides the classic look of an analog gauge along with an easy-to-read LED digital numerical readout available with blue or green LEDs, illuminated red needle, and is available with a white or black face. There are 6 customizable levels of dimming to allow for total gauge visibility while driving during the day or late hours of the night. Innovative stepper motor technology allows for exceptionally smooth needle movement providing extremely reliable and accurate gauge readings for monitoring any truck’s most vital parts. Monitor boost pressure, transmission temperature, EGT and more. Get ready to hit the road and Tow to the Max®! For more information: Black and Blue - https://www.maxtow.com/black-blue-maxtow-double-vision-gauge-series/?utm_campaign=MaxTow%20Promo%20Video&utm_medium=Social&utm_source=YouTube&utm_content=MaxTow%20black%20blue%20Promo%20Video%20description%20link&utm_term= White and Blue - https://www.maxtow.com/white-blue-maxtow-double-vision-gauge-series/?utm_campaign=MaxTow%20Promo%20Video&utm_medium=Social&utm_source=YouTube&utm_content=MaxTow%20white%20blue%20Promo%20Video%20description%20link&utm_term= Black and Green - https://www.maxtow.com/black-maxtow-double-vision-gauge-series/?utm_campaign=MaxTow%20Promo%20Video&utm_medium=Social&utm_source=YouTube&utm_content=MaxTow%20black%20green%20Promo%20Video%20description%20link&utm_term= White and Green - https://www.maxtow.com/white-maxtow-double-vision-gauge-series/?utm_campaign=MaxTow%20Promo%20Video&utm_medium=Social&utm_source=YouTube&utm_content=MaxTow%20white%20green%20Promo%20Video%20description%20link&utm_term= Connect with us on social: Facebook: https://www.facebook.com/MaxTow.Gauges Twitter: https://twitter.com/MaxTow Instagram: https://www.instagram.com/maxtow/