Aem Wideband O2s of 2025
Best Choice1
AEMAem 30-0334 Afro Sensor Controller (X-Series Wideband Ugo Gauge With Obie Connectivity) 2.0625 x 0.825 inches
Why we love it
Easy integration with popular tuning software.
Highly accurate air-fuel ratio readings.
Compact and lightweight design.
9.7Exceptional
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Value for Money2
AEMAEM X-Series Wideband UEGO AFR Sensor Controller Gauge with OBDII Connectivity
9.9 Easy installation9.7 Precision8.0 worth the moneyWhy we love it
Fastest wideband AFR controller for accurate tuning.
Easy installation with OBDII connectivity.
Ideal for remote tuning and data logging.
9.6Exceptional
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3
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
9.5Excellent
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4
GledewenLSU 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
Main highlights- 【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
- 【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
- 【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
- 【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
- 【12-MONTH WARRANTY】If the 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
9.4Excellent
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5
AEMAEM 30-4110NS Digital Wideband UEGO Gauge without Sensor , Black , 6.025 inches
Main highlights- Weld-in bung included
- RS232 Serial Output
- Interchangeable black/white faceplates and black/silver bezels included
- Controller gauge and hardware sold without wideband sensor
- 52mm (2-1/16”) gauge housing
9.3Excellent
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6
AEMAEM 52mm Wideband UEGO Air Fuel Ratio Sensor Controller Gauge w/White Face Kit
9.7 Easy installation9.1 Precision8.9 InstructionWhy we love it
Fastest response times
Variety of bezel colors
No free air calibration needed
9.2Excellent
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7
AEMAEM (30-2004) UEGO Replacement Oxygen Sensor
Main highlights- Specifically designed for use with AEM Wideband UEGO controller Part Number 30-4110
- Replacement sensor only
- Never requires free-air calibration when used with an AEM Controller and connector plug
- Accurate to 0.1 AFR
9.1Excellent
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8
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.
8.9Very Good
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9
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.
8.7Very Good
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10
Gledewen30-0300 Wideband UGEO Air Fuel Ratio Gauge 52mm(2-1/16"), AFR/Lambda Controller Kit with LSU 4.9 Sensor
Main highlights- 【Widely Applications】A wide range of applications is waiting to be explored. The wideband o2 sensor gauge provides 0-5V analog and serial RS-232 output that make it perfectly compatible to get access to read and record data from controllers, meanwhile, it supports vehicle/system voltages up to 16V.
- 【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.
- 【TWO Calibration Modes】Resistor 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.
- 【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).
- 【12-MONTH WARRANTY】If 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
8.6Very Good
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