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Your cart is empty.Our World-famous Wideband O2 air/fuel ratio UEGO gauge features a digital LED display and sweeping LED 'needle' that changes colors as AFR changes from rich to lean. A 52mm (2-1/16") gauge housing ensures that it will fit in most gauge pods and can be remotely mounted virtually anywhere. All AEM digital gauges feature a 0-5v analog output for use with data loggers and almost any engine management system. Each gauge comes with black and silver bezels and black and white faceplates for multiple color combinations and a custom look (a black Lambda faceplate and black and white Air/Fuel Ratio faceplates). The Bosch UEGO sensor gives the controller its speed and accuracy. The Bosch 4.9 LSU sensor used in the 30-4110 AEM Wideband UEGO AFR Controller Gauge has a faster light off time and draws less current than the 4.2 LSU sensor used with AEM’s discontinued 30-4100 Wideband UEGO Controller Gauge. The 4.9 LSU sensor features the same fuel compatibility as the 4.2 LSU and NEVER requires free-air calibration when used with AEM’s 30-4110 Wideband UEGO AFR Gauge. The 30-4110’s 4.9 LSU sensor uses a different connector than the connector used with the 4.2 LSU sensors included with the original, discontinued 30-4100 gauge controller. The sensors are not interchangeable between the two gauge controllers in any way, including changing connectors on the gauges.
eddie
Reviewed in the United States on February 22, 2025
Didn't come with the instructions
Jameson
Reviewed in the United States on January 25, 2025
Just so those know, this is just a gauge kit and it doesn't come with an O2 sensor, I ended up buying a Bosch eBay sensor, I paid $29 which is much cheaper than what AEM wants for one and it works just great. Much better way for the person who tries to save a dollar like me.
Nick
Reviewed in the United States on June 28, 2024
Very accurate and easy to read just read the instructions and is very easy to install.
James D guy
Reviewed in the United States on December 26, 2024
It came with everything you would expect except the o2 sensor which was something it said it wouldn't come with but all the wiring and gauge are there.
LORD MAC R6
Reviewed in the United States on November 25, 2024
Authentic aem afr gauge thank you
scott
Reviewed in the United States on October 18, 2024
Accurate description, nice looking gauge. Would recommend if you already have a lsu 4.9 sensor.
julien lahaie
Reviewed in Canada on July 23, 2023
Installed on a 2002 miata and works with megasquirt (ms3pnp pro)
Brad
Reviewed in the United States on June 30, 2023
Unit arrived in a mangled box. Appeared previously used. Was missing parts.
DIY guy
Reviewed in the United States on October 16, 2023
Recently installed this on my 65 Mustang to help dial in my Edlebrock AVS 2 carburetor. Works very well. Make sure you use the Bosch 17025 Bosch LSU4.9 O2 sensor. I didn't think I would use the data logging facility, but after watching D3Sshooter's video on youtube decided to install the cabling necessary to log the data. Glad I did because now I can graph idle, cruise, and power AFR results. Made tuning easy.
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