AEM Digital Wideband UEGO AFR Gauge
SKU: 76187122776

AEM Digital Wideband UEGO AFR Gauge

Sale price$152.06 Regular price$168.95
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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

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Description

AEM Digital Wideband UEGO AFR GaugeOur 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

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and draws less current than the 4.2 LSU sensor used with AEM’s 30-4100 Wideband UEGO Controller Gauge, which will be superseded to the 30-4110 gauge in August, 2014. 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 30-4100 gauge controller. The sensors are not interchangeable between the two gauge controllers in any way, including changing connectors on the gauges.

The Wideband O2 air/fuel ratio UEGO gauge is a must if you want to maximize your engine's power and safety. When tuning an engine, accurate air/fuel ratio data is critical because running with too rich of an AFR can cause a loss of power, and running a lean AFR can result in serious engine damage. AEM's 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.

  • Interchangeable black and white faceplates included for customizing gauge appearance
  • Bosch 4.9 LSU wideband sensor and weld-in bung included
  • No free air sensor calibration required - ever
  • Interchangeable black and silver bezels included
  • Interchangeable black and white faceplates included
  • 52mm (2-1/16”) gauge housing
  • 0-5v analog output (10-20 AFR range only)

  • Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 76187122776

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    4.2 ★★★★★
    Based on 1996 reviews
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    Rmanuel
    Port Orchard, US
    ★★★★★ 1
    Paid for new, received used.
    Size: 9.5 Wide, Color: Cognac, Size: 9.5 Wide, Color: Cognac
    Arrived dirty as if someone whore it for more than a few days. Maybe I was mistaken, but I saw nothing about “previously used” on the Amazon page. Returned it. I would suggest that the company use quality control when it comes to shipping. The shoes seem find otherwise. I ordered 9.5 and it was just a bit tight. If I reorder I will go for size 10.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on June 11, 2026
    F
    Verified Purchase
    Fletch
    Draper, US
    ★★★★★ 5
    Overall Great.
    Size: 10.5 Wide, Color: Black
    Great product. Great value. Great style. Overall great.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 3, 2026
    B
    Verified Purchase
    B.J. G
    Lake Worth, US
    ★★★★★ 3
    Decent Shoes with Misleading Description (Not Leather)
    Size: 12 Wide, Color: Black, Size: 12 Wide, Color: Black
    I only look for leather when I’m purchasing dress shoes. Under the description “details” on this item it lists the shoe as leather upper and inner lining. A photo shows “genuine Napa leather lining”. If you keep reading (which I have now that I’ve received the shoes) it shows “faux leather” in the small print and that is not “leather”. I run a small leather business and this irks me because it’s clearly false advertising. The details also show the product is made in Brazil but when they arrived today, the shoe tag shows “Made in China” and “Man Made upper and lower”. I don’t hate the shoes. They look nice. What I know is they won’t hold up over time like leather, which is why the description should be accurate and not misleading.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 28, 2026
    A
    Verified Purchase
    Amazon Customer
    Charlottesville, US
    ★★★★★ 5
    Great Shoes
    Size: 10, Color: Cognac
    Love these shoes super comfortable and look great. Everyone asks me where I got them.
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    Reviewed in the United States on May 20, 2026
    A
    Verified Purchase
    Amazon Customer
    San Leandro, US
    ★★★★★ 5
    Beautiful shoe but too narrow
    Size: 10 Wide, Color: Navy Grainy Leather
    Too narrow
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 24, 2026

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