Wide Band O2s of 2025
Best Choice1
AEMAEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge
9.3 Easy installation8.9 Precision8.2 worth the moneyWhy we love it
87 larger display
0 5V output RS232 Serial Port
AEMnet CANbus output
9.9Exceptional
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Value for Money2
Innovate MotorsportsInnovate Motorsports (3877) LC-2 Digital Wideband Lambda Controller Kit with Bosch LSU 4.9 O2 Sensor
Main highlights- Wideband O2 sensor (Bosch LSU 4.9) is compatible with most fuel types (leaded, unleaded, diesel, methanol, E85, etc)
- Two configurable linear 0-5V analog outputs; with Bosch O2 Sensor
- Patented DirectDigital Wideband Technology
- Integrated dual-color status LED (Green/Red)
- Ability to calibrate O2 sensor for maximum accuracy
9.6Exceptional
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3
ZHSYMXZHSYMX Universal Digital Wideband Air/Fuel Ratio AFR Gauge - 2"(52mm) with LSU4.9 Sensor - Wideband UEGO AFR O2 Oxygen Sensor Controller Gauge
Main highlights- 【Versatile design】: In addition to measuring and displaying the air/fuel ratio, the Air/Fuel Ratio Gauge also features a broadband measurement and digital display.
- 【Universally Of Application】The size of this Air fuel ratio gauge is 2"(52mm) that fits in a variety of instrument pods, and is compatible with a wide range of engine management systems and data loggers, providing even broader compatibility.Compatible with vehicle/system voltages up to 16V.
- 【Function】The Air Fuel Gauge provide real-time feedback with high accuracy and fast response time, and the digital wideband technology gives these controllers the ability to read and report values.
- 【Excellent Service】Your Shopping Experience is Our Priority. Dedicated to Delivering High-Quality Products and Exceptional Service. Reach Out to Us for Prompt and Reliable Answers to Your Inquiries.
- 【Easy To Install】With a standard 52mm housing for easy installation, and it never requires free-air calibration when used with our wideband.
9.4Excellent
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4
FHRHRYWideband 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)
8.4 Easy installation8.0 Instruction8.0 PrecisionWhy we love it
The digital LED display and LED needle make it easy to see the AFR.
The 52 mm 2 1/16 inch gauge housing fits most instrument pods.
The 4.9 LSU sensor is quick and accurate.
9.2Excellent
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5
ZHSYMXZHSYMX Universal Digital Wideband Air/Fuel Ratio AFR Gauge Kit - 2"(52mm) with LSU4.9 Sensor and Controller Box-Wideband UEGO AFR O2 Oxygen Sensor Controller Gauge
Main highlights- 【Versatile design】In addition to measuring and displaying the air/fuel ratio, the Air/Fuel Ratio Gauge also features a broadband measurement and digital display.
- 【Universally Of Application】The size of this Air fuel ratio gauge is 2"(52mm) that fits in a variety of instrument pods, and is compatible with a wide range of engine management systems and data loggers, providing even broader compatibility.Compatible with vehicle/system voltages up to 16V.
- 【Function】The Air Fuel Gauge Kit is Included a 4.9 sensor that provides real-time feedback with high accuracy and fast response time, and the digital wideband technology gives these controllers the ability to read and report values.
- 【Excellent Service】Your Shopping Experience is Our Priority. Dedicated to Delivering High-Quality Products and Exceptional Service. Reach Out to Us for Prompt and Reliable Answers to Your Inquiries.
- 【Easy To Install】With a standard 52mm housing for easy installation, and it never requires free-air calibration when used with our wideband.
9.1Excellent
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6
ZHSYMXZHSYMX Universal Digital Wideband Air/Fuel Ratio AFR Gauge Kit - 2-1/16"(52mm) with Sensor and Controller Box-Wideband UEGO AFR O2 Oxygen Sensor Controller Gauge
Main highlights- 【Versatile design】In addition to measuring and displaying the air/fuel ratio, the Air/Fuel Ratio Gauge also features a broadband measurement and digital display.
- 【Universally Of Application】The size of this Air fuel ratio gauge is 2"(52mm) that fits in a variety of instrument pods, and is compatible with a wide range of engine management systems and data loggers, providing even broader compatibility. Compatible with vehicle/system voltages up to 16V.
- 【Function】The Air Fuel Gauge Kit is Included a 4.9 sensor that provides real-time feedback with high accuracy and fast response time, and the digital wideband technology gives these controllers the ability to read and report values.
- 【Excellent Service】Your Shopping Experience is Our Priority. Dedicated to Delivering High-Quality Products and Exceptional Service. Reach Out to Us for Prompt and Reliable Answers to Your Inquiries.
- 【Easy To Install】With a standard 52mm housing for easy installation, and it never requires free-air calibration when used with our wideband.
8.9Very Good
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7
CNRAQRCNRAQR Air/Fuel Ratio Gauge Kit with LSU 4.9 Sensor and Controller Box Wideband UEGO 30-0300 X Ultra-Thin Round Digital AFR O2 Oxygen Sensor Controller Universal Gauge
Why we love it
Easy installation process.
Real-time feedback with high accuracy.
Flexible and customizable controller.
8.8Very Good
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8
ZHSYMXZHSYMX Universal Digital Wideband Air/Fuel Ratio AFR Gauge - 2-1/16"(52mm) - Wideband UEGO AFR O2 Oxygen Sensor Controller Gauge
Main highlights- 【Versatile design】: In addition to measuring and displaying the air/fuel ratio, the Air/Fuel Ratio Gauge also features a broadband measurement and digital display.
- 【Universally Of Application】The size of this Air fuel ratio gauge is 2"(52mm) that fits in a variety of instrument pods, and is compatible with a wide range of engine management systems and data loggers, providing even broader compatibility. Compatible with vehicle/system voltages up to 16V.
- 【Function】The Air Fuel Gauge provide real-time feedback with high accuracy and fast response time, and the digital wideband technology gives these controllers the ability to read and report values.
- 【Excellent Service】Your Shopping Experience is Our Priority. Dedicated to Delivering High-Quality Products and Exceptional Service. Reach Out to Us for Prompt and Reliable Answers to Your Inquiries.
- 【Easy To Install】With a standard 52mm housing for easy installation, and it never requires free-air calibration when used with our wideband.
8.6Very Good
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9
ZHSYMXZHSYMX Universal Digital Wideband Air/Fuel Ratio AFR Gauge - 2-1/16"(52mm) - Wideband UEGO AFR O2 Oxygen Sensor Controller Gauge
Main highlights- 【Versatile design】: In addition to measuring and displaying the air/fuel ratio, the Air/Fuel Ratio Gauge also features a broadband measurement and digital display.
- 【Universally Of Application】The size of this Air fuel ratio gauge is 2"(52mm) that fits in a variety of instrument pods, and is compatible with a wide range of engine management systems and data loggers, providing even broader compatibility. Compatible with vehicle/system voltages up to 16V.
- 【Function】The Air Fuel Gauge provide real-time feedback with high accuracy and fast response time, and the digital wideband technology gives these controllers the ability to read and report values.
- 【Excellent Service】Your Shopping Experience is Our Priority. Dedicated to Delivering High-Quality Products and Exceptional Service. Reach Out to Us for Prompt and Reliable Answers to Your Inquiries.
- 【Easy To Install】With a standard 52mm housing for easy installation, and it never requires free-air calibration when used with our wideband.
8.4Good
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10
GelessyGelessy Wideband UEGO Air/Fuel Ratio Gauge 30-4110 Black, LSU 4.9 Lambda WideBand O2 Oxygen Sensor 17025, AFR Sensor Controller Gauge 30-0300 White, Gauge & Sensor Kit Compatible with 30-4110 30-0310
8.0 materials Quality8.0 Instruction8.0 Easy installationWhy we love it
Lifetime warranty ensures worry-free usage.
Easy-to-read, color-changing digital LED display.
Hassle-free installation with included components.
8.3Good
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