In this article, we will explore the Best Afr Gauge that are now on the market. In addition to that, we have provided you with a detailed guide that will assist you in choosing the right product. We really hope that by looking through the reviews of the top Best Afr Gauge products that we’ve provided below, you’ll be able to quickly narrow your choices and select the one that best satisfies your needs.
We have spent lots of time testing. According to our research, we think AEM Best Afr Gauge is the best overall. For more of our top picks, read on! Also, check out our buying guide for some tips on how to choose the right Best Afr Gauge.
Editor's Choice
ARTILAURA 2-1/16" 52mm Air/Fuel Ratio Gauge LED Digital Display with Narrowband O2 Oxygen Sensor Car
Premium Pick
AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge
Budget Pick
Wideband UEGO Air/Fuel Ratio Gauge 52mm (2-1/16”) with 4.9 LSU Sensor, Digital AFR Controller
Top 10 Best Afr Gauge
We researched and compared the top products in the Best Afr Gauge category to provide you with these recommendations.
1. 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
2. Wideband UEGO Air/Fuel Ratio Gauge 52mm (2-1/16”) with 4.9 LSU Sensor, Digital AFR Controller
- AIR/FUEL RATIO UEGO GAUGEOur 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 COMPATIBILITYThe 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 QUALITYAccurate 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.
- INSTALLATIONThanks 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 SERVICEIf you have any questions or dissatisfaction, please email us and we will help you solve it perfectly - 24 Months Warranty & 24 Hours Service.
3. ZHSYMX Universal Digital Wideband Air/Fuel Ratio AFR Gauge Kit - 2-1/16"(52mm) with Sensor and
- Universally Of ApplicationThe 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.
- Easy To InstallWith a standard 52mm housing for easy installation, and it never requires free-air calibration when used with our wideband.
- FunctionThe 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.
- Versatile designIn addition to measuring and displaying the air/fuel ratio, the Air/Fuel Ratio Gauge also features a broadband measurement and digital display.
- Excellent ServiceYour 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.
4. ZHSYMX Universal Digital Wideband Air/Fuel Ratio AFR Gauge - 2-1/16"(52mm) - Wideband UEGO AFR O2
- FunctionThe 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.
- Easy To InstallWith a standard 52mm housing for easy installation, and it never requires free-air calibration when used with our wideband.
- Universally Of ApplicationThe 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.
- 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.
- Excellent ServiceYour 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.
5. ARTILAURA 2-1/16" 52mm LED Digital Air/Fuel Ratio Gauge Racing with Narrowband O2 Oxygen Sensor for
- FunctionLCD 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.
- ApplicabilityAir Fuel Ratio gauge compatible for 12 volt car. High sensitivity and easy operation.
- Oxygen SensorOxygen Sensor OEM:0258006028, Working Voltage: DC12V, Spiral: M18*1.5, Use Wrench: 22mm, Output Voltage: Maximum value 900mv/ minimum value 50mv.
- Package IncludedIncludes 1x Air Fuel AFR Gauge, 1x Narrowband Oxygen Sensor, 1x English Manual.
6. 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
7. JJCOCO Wideband UEGO Air/Fuel Ratio AFR Gauge Kit 0-5V Analog Output with LSU 4.9 O2 Sensor Digital
- Ultra-Fast & Accurate Professional Tuning: Get real-time precision with the advanced LSU 4.9 O2 UEGO sensor, delivering a lightning-fast 20ms response for unmatched accuracy. The vibrant 24-color LED display and four-digit readout provide crystal-clear, instant feedback on your air/fuel ratio, enabling perfect tuning for max performance and engine safety
- Effortless Installation with Dual Calibration Modes: Enjoy a true plug-and-play experience! Our JJCOCO wideband AFR gauge offers two simple calibration choices: Resistor Trim (rCAL) for pre-calibrated, no-hassle setup or Free Air (ACAL) for custom tuning. Complete with clear connectors and instructions, its designed for a quick, DIY install
- Versatile Data Output for Logging & Connectivity: Unlock advanced tuning with dual 0-5V analog and RS-232 serial outputs. Easily connect to data loggers, ECUs, or tuning software to record and analyze performance. This feature makes the O2 sensor gauge a powerful tool for both amateur and professional tuners
- Highly Configurable Display for Your Preferences: Customize how you view data! Toggle between 3 or 4-digit precision, and choose to monitor in AFR, Lambda, or O2% values. The bright, color-coded LED ring offers intuitive visual alerts, making it easy to read your mixture status at a glance, day or night
- Broad Compatibility for Universal Use: A reliable choice for almost any vehicle! This wideband O2 sensor kit supports 12V systems, making it safe for cars, trucks, motorcycles, and race cars. Its rugged design ensures stable operation even with voltage fluctuations
8. 30-0300 Wideband UGEO Air Fuel Ratio Gauge 52mm(2-1/16"), AFR/Lambda Controller Kit with LSU 4.9
- What A Easy Helper! Featuring sweeping 24-color-coded LED display and four-digit central readout, the faceplate of wideband gauge is two-sided and reversible. Thanks to it, the afr gauge can switch between 3 display modes of air-fuel-ratio, lambda, oxygen percentage at will, by that means you are able to effectively but quickly monitor your vehicle's conditions.
- Core Technology To maximize your engine's power while stay safe, an air fuel ratio gauge kit is must-have! The Gledewen AFR gauge helps to identify sensitively every slight fluctuations of air-fuel ratio and report precise and reliable reference to the car engine in real-time, and in particular it matches with LSU4.9 UEGO, ensuring its faster and more precise response(20ms typical).
- TWO Calibration ModesResistor Trim Mode(rCAL) or Free Air Mode(ACAL)? It is up to you! The supplied UEGO sensor is factory calibrated via a trim resistor, integral to the sensor connector, and rCAL is the recommended calibration mode for best accuracy, for most users, there is no further action or calibration required.
- Installation InstructionsMount the 52mm gauge, connect power and ground wires, and install the LSU 4.9 sensor into the exhaust bung for quick setup.
- 12-MONTH WARRANTYIf the wideband AFR sensor controller gauge kit fails, stops working or any other problems, you can rely on our service of carefree REPLACEMENT or REFUND
9. JJCOCO Air/Fuel Ratio AFR Wideband Gauge Kit with LSU 4.9 O2 Oxygen Sensor Digital LED Display 12V
- All-in-One Design,Easier Installation: This innovative wideband AFR gauge integrates the controller into the display itself! This streamlined design eliminates the separate controller box, saving you space and simplifying your install. You get a clean, OEM-looking setup with fewer wires to run, making the entire process faster and easier while still delivering professional-level accuracy for tuning
- Advanced Digital Display for Real-Time Clarity: Read your data with absolute confidence on the bright, high-contrast digital screen. This advanced AFR meter provides crisp, immediate numerical readings that are easy to interpret at a glance, day or night. The intuitive display eliminates guesswork, giving you instant real-time feedback for precise tuning and continuous engine monitoring right from your dashboard
- Uncompromised Accuracy with LSU 4.9 Sensor: Our AFR kit uses LSU 4.9 wideband sensor as professional setups. It delivers identical lightning-fast response and incredibly accurate real-time air/fuel ratio readings, giving you the trusted data you need for safe and effective engine tuning and diagnostics
- Space-Saving Solution for Tight Interiors: Perfect for vehicles where space is limited! By integrating the controller into the gauge, this kit is ideal for compact cars, motorcycles, or race cars with minimal cabin or dash space. The sleek, round digital display fits standard 52mm pods, freeing up valuable real estate that a bulky separate controller would require
- Complete Kit with All Essential Parts Included: This is a fully-contained package with everything you need. You get the wideband AFR gauge, high-performance LSU 4.9 sensor, a long 9.8ft sensor cable, and a welding bung. This complete kit provides exceptional value and gets you from the box to accurate data faster than ever before
10. ARTILAURA 2-1/16" 52mm Air/Fuel Ratio Gauge LED Digital Display with Narrowband O2 Oxygen Sensor Car
- FunctionNumbers 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.
- ApplicabilityAir Fuel Ratio gauge compatible for 12 volt car. High sensitivity and easy operation.
- Oxygen SensorOxygen Sensor OEM:0258006028, Working Voltage: DC12V, Spiral: M18*1.5, Use Wrench: 22mm, Output Voltage: Maximum value 900mv/ minimum value 50mv.
- Package IncludedIncludes 1x Air Fuel AFR Gauge, 1x Narrowband Oxygen Sensor, 1x English Manual.
Peter
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