Wideband O2 Sensors 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
Bosch AutomotiveBOSCH 17025 Oxygen Sensor
Main highlights- True Direct-fit' OE connectors and harness; threads pre-coated with anti-seize compound right out of the box
- Seared protection tube due to 100% functional quality test
- Robust sensor design increases sensor longevity
- Bosch Premium Wideband A/F Oxygen (O2) Sensors are designed for use with aftermarket high performance wideband kits
- Advanced Wideband sensing element for an exact air/fuel measurement vs. a typical oxygen sensor which simply sends a rich or lean signal
9.3Excellent
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4
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.
9.1Excellent
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5
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.
8.9Very Good
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6
Innovate MotorsportsInnovate Motorsports 3888 Replacement Oxygen Sensor
Main highlights- Wideband O2 compatible with leaded, unleaded, diesel, and E85 fuels
- Verify which sensor (4.2 or 4.9) your system needs
- Package Weight : 0.5 pounds
- Package Dimensions: 4 L x 4 H x 1 W (inches)
- Monitors oxygen presence in fuel emissions
- Fit type: Vehicle Specific
- Country of Origin : United States
- Compatible with the LM-2, LC-2, and MTX-L, SCG-1, DLG-1, PSB-1, and PSN-1 gauges
8.7Very 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.
8.6Very Good
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8
Bosch AutomotiveBOSCH 17014 Premium Original Equipment Oxygen Sensor - Compatible with Select Rolls-Royce Phantom
Main highlights- [STAINLESS STEEL BODY] - Exclusive double laser-welded stainless steel body is totally submersible and sealed tight to protect against damage from exhaust emissions — ensuring longer sensor service life
- [READY TO INSTALL] - True Direct-fit OE connectors and harnesses, along with threads pre-coated with anti-seize compound right out of the box, make installation simple and hassle-free
- [INNOVATIVE TECHNOLOGY] - Every Bosch Oxygen Sensor benefits from the technological and manufacturing experience gained from decades of production since first inventing the Oxygen Sensor in the late 1960's, ensuring long-lasting, superior performance
- [FAST ACTING HEATER] - Fast-acting heater optimizes sensor operation on Planar and 3, 4, and 5 wire Thimble type sensors allowing the oxygen sensor to reach its operating temperature quicker – within seconds – for optimum performance
- [FACTORY TESTED] - Seared appearance of protection tube is a result of a 100% fully functional quality test to ensure every Bosch manufactured sensor meets Bosch's rigorous standards for quality and performance
- Compatible with select vehicles (Note: verify specific fitment details, including sensor position, with fit checker above): ROLLS-ROYCE: 2004-06 Phantom
8.5Good
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9
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.
8.4Good
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10
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.
8.2Good
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