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The Best Wideband O2 Meter of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Wideband O2 Meter of 2023. Check our ranking below.

2,063 Reviews Scanned

Rank No. #1
Auto Meter 4379 Ultra-Lite Wide Band Air Fuel Ratio Kit,2.3125 in.
  • 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
Rank No. #2
Auto Meter 3670 Sport-Comp II 2-1/16" Wideband Air/Fuel Ratio Analog Gauge
  • 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
SaleRank No. #3
FAST FST170408 Replacement Wide-Band O2 Sensor for Air/Fuel Meter
  • Country Of Origin: United States
  • Model Number: FST170408
  • Item Package Dimension: 2.75" L x 1.0" W x 7.25" H
  • Item Package Weight: 0.396828021016571 lb
Rank No. #4
ICT Billet O2 Sensor Bung Universal Mild Steel Weld Oxygen Air Fuel Ratio Meter 2 Pair M18 M18-1.5 Threaded Wideband with plug Made in America Metal Weldable 18mm 551548
  • These mild steel bungs are great for adding oxygen sensors to your exhaust system. They can also be used for replacing rusted, or stripped out, factory bungs.
  • The bung kit includes two plugs if you're needing to add the bung for temporarily installing an oxygen sensor.
  • Made in the USA from USA-made mild steel
  • Mild steel bungs can easily be welded to mild steel or aluminized steel.
  • Bungs are machined with M18-1.5 threads and have a recessed step for easier welding flush with a surface.
Rank No. #5
Fast Wide-Band Digital Air/Fuel Meter
  • Ideal for carbureted and EFI engines
  • Built-in data logging
  • No laptop required
  • PC-based software analysis tool
  • RPM-based option
Rank No. #6
Amazfit Band 5 Activity Fitness Tracker with Alexa Built-in, 15-Day Battery Life, Blood Oxygen, Heart Rate, Sleep & Stress Monitoring, 5 ATM Water Resistant, Fitness Watch for Men Women Kids, Black
  • AMAZON ALEXA BUILT-IN: Talk to Amazon Alexa on your Amazfit Band 5. Ask questions, get translations, set alarms, and timers, create shopping lists, check the weather, control your smart home devices, and more..Bluetooth : Version 5.2
  • 15-DAY BATTERY LIFE: Say goodbye to daily recharge. With a fully charged Amazfit Band 5, you don’t need to bring a charger for a two-week trip. On a single charge, it has enough power to get you charged for 2 whole weeks mind-free.
  • BLOOD OXYGEN SATURATION MONITOR: You can measure your blood oxygen saturation and understand your physical state with OxygenBeatsTM. Ideal for high-intensity workouts and sports such as marathons and gym workouts.
  • 24/7 HEART RATE, SLEEP TRACKER: With Huami-proprietary BioTracker TM2 PPG optical sensor, this health tracker performs 24/7 real-time heart rate monitoring and high heart rate warning. Band 5 can also professionally interpret the sleep characteristics at each stage and analyzes sleep quality, to help you adjust your sleep habits. It even monitors your 20-minute daily nap.
  • YOUR SMART FITNESS PARTNER: An ultimate easy-to-use activity fitness tracker with 11 built-in sports modes, enabling you to record the distance, speed, heart rate changes, calories burned, and other data during your workouts. With a water-resistance grade of 5 ATM, Band 5 can withstand all your daily activities and you can wear it while swimming.
SaleRank No. #7
GoolRC Digital Air Fuel Ratio Gauge Kit 12V 2 in 1 Meter 52MM Narrowband Car Volmeter with O2 Oxygen Sensor Car Modification Acces White cover
  • 2-in-1 car meter shows the air-fuel ratio and battery voltage, accurate and easy to view.
  • Made of high-quality plastics, with nice durability, strong and anti-aging.
  • It can help improve vehicle performance and make driving safer.
  • 52mm/2in universal gauge fits for 12.0V motorcycle, car, truck, gasoline engine.
  • Easy to install and use, reliable quality, is a nice modification accessories.
Rank No. #8
AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge
  • 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
SaleRank No. #9
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)
  • 【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.
SaleRank No. #10
Auto Meter 200870-33 Gauge, Air/Fuel Ratio-Wideband, Analog, 2 5/8", 8:1-18:1, Stpr Mtr, Marine Silvr
  • 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
Rank No. #12
X AUTOHAUX Air/Fuel Ratio Gauge 2-1/16" 52mm Digital AFR Controller Gauge LED Digital Display with Narrowband O2 Oxygen Sensor for Car 12V
  • LED AIR/FUEL RATIO GAUGE: The air fuel ratio gauge kit has a digital LED display, the display will change LED color as the AFR changes from rich to thin. The change of bright color can clearly and intuitively see the change of the air/fuel ratio
  • WIDELY USE: The wideband gauge diameter is 2-1/16” / 52mm, it can fit most DC 12V cars, trucks, UTVs, ATVs, and trailer instrument pods, and can be installed in many places. The signal line voltage is 0-1V
  • DIGITAL DISPLAY: The digital has 20 pcs LEDs. When the air/fuel ratio is 10%-12%, 6 green LEDs light up, indicating the status is much oil; when the air/fuel ratio is 13%-17%, 10 orange LEDs light up, indicating the status is normal oil; when the air/fuel ratio is 18%-20%, 4 red LEDs light up, indicating the status is less oil.
  • INSTALLATION: Manual installation instruction is included, the package includes an O2 sensor and necessary mounting hardware, you can directly replace it, plug and play.
  • Package Includes: Air Fuel Ratio Gauge Kit: 1x Air Fuel AFR Gauge, 1x Narrowband Oxygen Sensor, 1x Holder, 1x Cable, 1x English Manual
Rank No. #13
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
  • 🔧[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.
Rank No. #14
AEM (30-4110) UEGO Air/Fuel Ratio Gauge
  • Interchangeable black and white faceplates included for customizing gauge appearance.Material:Plastic
  • 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
SaleRank No. #15
ARTILAURA 2-1/16" 52mm LED Digital Air/Fuel Ratio Gauge Racing with Narrowband O2 Oxygen Sensor for 12V Car
  • 🚗【Function】LCD Color Screen, LED display 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.
Rank No. #16
Auto Meter 3379 Sport-Comp Wide Band Air Fuel Ratio Kit,2.3125 in.
  • 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
Rank No. #17
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 Series Digital Wideband Air/Fuel Ratio Gauge is Essential for 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
SaleRank No. #18
Innovate Motorsports 3924 39240 MTX-L Plus: Advanced Digital WIDEBAND AIR/Fuel Ratio Gauge KIT, 3 FT. Sensor Cable
  • FASTER Sensor Frequency for faster O2 sensor feedback
  • FASTER Analog Output Speed helps ensure that your ECU sees changes in air/fuel ratio as they happen
  • ENHANCED Heater Control for superior sensor performance in forced induction and other high performance applications
  • Large digital readout and programmable “Digital Needle” provides the functionality of a needle gauge with the pinpoint accuracy of a digital display
  • Digital display in AFR or Lambda
SaleRank No. #19
ARTILAURA 2-1/16" 52mm Air/Fuel Ratio Gauge LED Digital Display with Narrowband O2 Oxygen Sensor Car Gauge for 12V Car
  • 🚗【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.
Rank No. #20
LSU 4.9 Lambda WideBand O2 Oxygen Sensor | for AEM 30-4110 30-0300 30-0310 - X Series AFR Inline Controller - UEGO A/F Ratio Wideband 02 Gauge | Replace# 17025, 0258017025
  • 【HIGH PERFORMANCE】Our wideband sensor use a more sophisticated sensing element that provides a signal that is proportional to the amount of oxygen in the exhaust, helps ensure your engine is constantly monitored and operating efficiently, while maximizing performance
  • 【PREMIUM QUALITY】Durability matters, that is why our o2 sensor is crafted from high temperature resistant material for quicker response times. Double laser-welded stainless steel body is totally submersible to seal tight for long life
  • 【FITS】AEM Wideband Controllers with part numbers 30-4110 Digital Wideband UEGO Gauge, 30-0300 X-Series Digital Wideband UEGO AFR Gauge, 30-0310 X-Series Inline Wideband UEGO AFR Controller | Most 4.9 LSU Wideband Controller Gauge
  • 【REPLACE OE NUMBER】17025, 0258017025, 304110, 300300, 300310. A lot of buyers brought the wrong A/F gauge sensor because they don't pay attention to the plug and the length of the sensor. Please check these 2 features before purchase
  • 【12-MONTH WARRANTY】If the AEM wide band lambda sensor fails, stops working or any other problems, you can contact us through amazon message to apply the service of carefree REPLACEMENT or REFUND

Last update on 2023-08-03 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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  3. Specifications: How powerful they are can be measured.
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  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Wideband O2 Meter.
  7. Product Quality: You don’t always get what you pay for with an Wideband O2 Meter, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Wideband O2 Meter is should be an indication of how long it will work out for you.

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FAQ:

Q: Is the LM-2 wideband O2 digital air / fuel ratio meter?

A: Patented DirectDigital™ wideband sensor control, 100% digital wideband air/fuel ratio technology! The LM-2 also features two fully programmable linear analog outputs to connect to analog gauges, dyno computers, ECUs, piggyback controllers, and other devices with analog inputs.

Q: Can a wideband O2 sensor be used in a car?

A: Overall, these highly accurate sensors are a boon to anyone who wants to tune a vehicle. If you think your vehicle could benefit from a wideband O2 sensor and gauge, there are a lot of options. With so many devices to choose from, working out exactly which gauge is right for your car can be a real challenge.

Q: What kind of O2 sensor does PLX wideband use?

A: The O2 sensor harness connects the PLX Wideband Controller with a Bosch LSU4.9 sensor. It includes a 6 position molex mini fit jr male plug on one end and a standard 6 position Bosch LSU4.9 connector on the other end. The cable is 10ft (3m) long and is made in USA. For use with PLX Gen4 or later Widebands ONLY.

Q: What to use with oxygen sensor bung plug?

A: The oxygen sensor bung plug is the ideal accessory for use with our oxygen sensor bung when your wideband oxygen sensor is not in use. The thread is an M18 x 1.5mm pitch. The new MultiGauge to smartphone adapter takes aftermarket gauges to the next level.

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