SKU: 910916182

X-Series Wideband UEGO AFR Sensor Controller Gauge

Sale price$158.80 Regular price$176.44
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Description

X-Series Wideband UEGO AFR Sensor Controller GaugeAEMs X Series Wideband UEGO Air Fuel Ratio Sensor Controller Gauges are built upon unique, patented 100% Digital technology (Patent 9,575,030) that makes them the fastest responding wideband air fuel ratio controllers in independent testing*. The X Series Wideband UEGO AFR Sensor Controller Gauge (PN AEM 30 0300) measures 2 1 16th inch (52mm) in diameter and features a modern, visually striking faceplate and new seven segment center display that is

AEM’s X-Series Wideband UEGO Air/Fuel Ratio Sensor Controller Gauges are built upon unique, patented 100% Digital technology (Patent 9,575,030) that makes them the fastest responding wideband air/fuel ratio controllers in independent testing*.

The X-Series Wideband UEGO AFR Sensor Controller Gauge (PN AEM 30-0300) measures 2 1/16th-inch (52mm) in diameter and features a modern, visually striking faceplate and new seven-segment center display that is 87% larger than the 30-4110 AEM Wideband Gauge’s center display. This creates the perception of a larger overall gauge, but in a common 52mm size for easy mounting. Its slim depth (less than one inch overall) and ultra-slim cup depth of .200-inches dramatically increases its application base and potential mounting locations.

The X-Series Wideband UEGO AFR Gauge has a user configurable display via buttons on the gauge face that allows you to change AFR values for different fuels, Lambda or O2%, change the center display to three or four digits, perform a free-air calibration if desired as the sensor ages, and change the CAN message ID when linking multiple X-Series Inline Controllers or X-Series Controller Gauges. A black bezel and black dual-faced faceplate for air/fuel and Lambda are included, and an optional silver bezel with white dual-faced air/fuel and Lambda faceplate is available (PN 30-0300-ACC, sold separately). An Auto Dimming feature is included. Locking connectors ensure a positive connection between the harnesses and gauge and a new single board design adds to the new gauge’s durability.

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. AEMnet allows additional X-Series Wideband Controllers to be daisy chained together (up to 16 cylinders) for recording AFR in multiple cylinders. It supports vehicle/system voltages up to 16V, and can be used on EFI or carbureted applications, and dynamometers in applications using gasoline, methanol, ethanol, Diesel, propane, and CNG.

X-SERIES WIDEBAND UEGO CONTROLLER FEATURES:

-X-Series Wideband UEGO AFR Controller Gauge were fastest responding wideband air/fuel ratio controllers in an independent test vs. 17 competitors wideband AFR controllers
-Patented X-Digital wideband technology (Patent 9,575,030)
-Includes Bosch 4.9LSU wideband UEGO sensor
-Factory calibrated resistor does not require free-air calibration, but technology allows for free-air calibration as sensor ages if user desires
-Compatible with vehicle/system voltages up to 16V
-0-5V & RS232 output for data logging and feedback control, AEMnet (CANbus) for data logging and daisy-chaining multiple controllers up to 16 cylinders
-Can display AFR values in hundredths of %
-52mm gauge diameter and slim 0.825” gauge depth
-Gauge cup depth only .200” deep!
-Auto dimming feature
-User configurable display via buttons on the gauge face for changing AFR values, Lambda and O2%, and 3- or 4-digit display
-Black bezel and black dual faced faceplate included (gauge only, silver bezel/white gauge option sold separately, PN 30-0300-ACC)
-Locking connectors

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Exchange/Return Notes
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SKU: 910916182

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Emily H
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★★★★★ 4
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Reviewed in the United States on April 5, 2025
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Diana
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Reviewed in the United States on May 20, 2026
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Rosey87
Carnegie, US
★★★★★ 4
Instant feeling of coolness but hoping I got what I paid for.
The box received isn’t the same as advertised but close. She picture. This is only second time trying a set from this box. They are soft and cooling. No unpleasant smell. It makes it fell like a spa day. And Hope to see results with use. At this point not breakout or reactions. That’s a good thing! Just not seeing results yet. Give it time, I know.
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Reviewed in the United States on January 20, 2026
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Magical Finds
Port Orchard, US
★★★★★ 5
Very easy to use and gives good moisturizing as well
Honestly here’s how this goes . When I first wake up after a nights rest I have the worse eyebags . So I ordered these and gave them a try . After washing my face I applied these , I kept them on for 30 minutes . When I removed them I noticed a significant amount of puffiness gone , however there was still puffiness there . So I then applied plexaderm on top . The results with both these two products are a welcome outcome . Just on there own they do a pretty good job , however with the plexaderm I got an awesome outcome .
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Reviewed in the United States on May 25, 2026
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Heather M. Herr
Houston, US
★★★★★ 5
Great product! Must try!! 🤍
I don’t typically leave reviews but I had to with this! 🤍 I purchased this in a bundle with the moisturizer and under-eye patches. I’ve only used this maybe 2 or 3 times and my skin looks so much better. I just turned 40. My skin tone has been uneven, just overall unhealthy looking and wrinkling for years. Now it’s soft and smooth and looks great. I’ve never been a person that had good skin in the past but I am that person now. I am so impressed and this stuff is worth it for sure! I will continue to purchase it! Also noticed, because it got on my lips, my lips look better too. They stay dry and chapped due to a medication I was on many years ago. NOTHING helps my lips but this stuff has made them completely healthy and the dryness/chap is completely gone! Only 2 times using but I noticed improvement after the first use! Also note, a little goes a long way. The bottles are small but you don’t need a lot per use. Also, I typically have very dark under eyes. Both genetics and sleep deprivation cause this for me. I’ve dealt with it every day for many years. Even in my teenage years and twenties. I can never fully cover the darkness, but I’ve used the eyepatches once and the serum and moisturizer twice, and my under eyes are looking better and less dark too. I’m just overall so happy with these products! I’m so happy I stumbled across this product and decided to give it a chance! 🤍🤍🤍
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