The 8 Best Wideband O2 gauges (2023 reviews)

The AEM gauge is small and sleek and all digital. It supports any fuel but different fuels have different desired air/fuel ratios. It allows additional x-series wideband controllers to be daisy chained together (up to 16 cylinders) for recording afr in multiple cylinders. It includes the gauge, Afr sensor, harness in to the gauge, and output harness for data logging. There is a precise electro-chemical reaction taking place inside the sensor.

The wideband controller built into the gauge so install is straightforward and tidy. Its simple, reads fast, and with the sweeping led, is easy to see whats going on without looking directly at it. The gauge is easy to use, adjust, and works well with the included Bosch sensor.

Why We Like This:

Includes harness and bosch 4.9 sensor
Easy to set up, very user friendly instructions to
Warns up quickly and reads within seconds
Easy install with nice long wiring harness

glowshift Wideband O2 Gauge

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Glowshift tinted 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. It is world renowned for providing exceptionally crafted and competitively priced automotive gauges with an extensive variety of styles and options. It takes about 30 seconds to boot up, and every 10, 000 miles it needs to be calibrated using their instructions.

It comes with this gauge you’ll have the ability to carefully map out your vehicle’s air to fuel ratio through the range of engine rpm. It is a universal fit gauge and comes with a bung for the wide-band O2 sensor. It is tight and secure, to avoid air leaks. There's a wiring harness for the gauge to operate but it's a stand-alone kit and doesn't need to be integrated into your existing wiring. This is a great gauge that works very well.

Why We Like This:

Benefits include maximized power and engine performance
Good brand reputation

Fhrhry Wideband O2 Gauge

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Fhrhry has been making great gauge for years, thanks to a combination of clever design and appropriate materials. It is a sticker or nameplate on the frame of each device with model and serial number information. It is suitable for a specific series of manufacturing equipment. It is equipped with black and silver bezels and black and white faceplates for multiple color combinations and customized appearance. The Lambda labeled plate has AFR graduations and vice versa for the AFR faceplates. It is a perfectly accurate and reliable system for a fraction of the name brand stuff.

The 52 mm ( 2 - 1/16 inch gauge housing ensures that it fits most instrument pods and can be installed remotely almost anywhere. It comes with instructions you'll have to add a sensor to an existing sensor hole.

Why We Like This:

Nice and simple install, great product good response and accuracy
Delivers what they promise

Auto Meter Wideband O2 Gauge

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Compared with other gauge in this category, the auto meter wideband o2 gauge has a convenient design. The Pro-Comp line is heavy duty and built to withstand the harshest racing environments. It features a fluorescent red pointer on a black dial face and auto meter's trademark silver super bezel or monster bezel for easy viewing under racing conditions. It is easy to read under harsh racing conditions.

This gauge connects to the oxygen sensor. It features a real carbon fiber dial face with high luster aluminum pointer and matching bezel. The air/fuel ratio gauge allows you to manage how much fuel is getting to the engine at certain accelerator positions. The Pro-Comp line of instruments are heavy duty and built to withstand the harshest racing environments.

Why We Like This:

Lot of satisfied buyers
Good brand reputation

Dasbecan Wideband O2 Gauge

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Best part: dasbecan wideband o2 gauge costs comparatively low and it is available to ship in 24 hours. The Wideband O2 air/fuel ratio kit greatly improves the power and safety of the engine. The UEGO gauge reminds the change of Air/Fuel Ratio ratio in real time, with detailed instructions. It is made of high-quality materials, which guarantees its performance and long service life.

Why We Like This:

Good brand reputation
New and hot release

Leabon Wideband O2 Gauge

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The UEGO Sensor Gives the Controller its Speed and Accuracy. This wideband o2 air/fuel ratio uego gauge, built to strict quality control standards, is 100 % tested prior to leaving the factory. It is made of high-quality durable materials to ensure reliable performance and a long service life so that your vehicle performs well even in the harshest of conditions.

The Digital wideband afr uego gauge can quickly alert you to even a.1 change in air/fuel ratio and provide enough time to shut down an engine before damage occurs. The wideband o2 air/fuel ratio uego gauge is a must if you want to maximize your engine's power and safety.

Why We Like This:

Good investment for long term
Delivers what they promise

Cosiki Wideband O2 Gauge

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Best part: cosiki wideband o2 gauge costs comparatively low and it is available to ship in 24 hours. It can be used in all 12v cars with narrow band oxygen sensors. There is a sensor in the package, which provides great convenience for your use. It is strongly recommended and also it is easy to damage the car.

Why We Like This:

Easy installation using english user manual
High‑quality plastic material, strong, corrosion‑resistant and durable, not easy to damage the car
New and hot release

Qhqsqc Wideband O2 Gauge

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Qhqsqc makes beautiful and great gauge with classic and smartly choosen materials. It is easy to read, highly accurate, and controls its data by a digital led display and led needle that will change colors as the ratios change from rich to lean.

Why We Like This: