Skip to content

AEM Digital Wideband UEGO Gauge

Marsoni M251S
Sale price$196.13
Pay 4 payments of $49.03 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
AEM Digital Wideband UEGO GaugeAEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display and sweeping LED "needle" that changes colors as AFR changes from rich to lean. NOTE: The 30 4100 Wideband UEGO Gauge Controller that uses the 4. 2 LSU sensor will be superseded to the 30 4110 Wideband UEGO Gauge Controller that uses the 4. 9 LSU sensor
Easy Shipping

Quick Dispatch:

Your AEM Digital Wideband UEGO Gauge orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your AEM Digital Wideband UEGO Gauge ships.

Need Help?
Questions about AEM Digital Wideband UEGO Gauge, sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for AEM Digital Wideband UEGO Gauge in your area.

Get Shipping Estimates

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
4.8 ★★★★★
Based on 303 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
R
Verified Purchase
Rick
Fort Morgan, US
★★★★★ 5
2016 Acura Air Filter
Air filter for my 2016 Acura RDX fit great, installed it myself in one minute. Arrived at my house on time and in good condition, driver very courteous and respectful. Thank you very much Rick F.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 22, 2026
J
Verified Purchase
J
Lexington, US
★★★★★ 5
Nice filter
Nice filter for acura rdx. Easy to install. Well priced.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 12, 2026
K
Verified Purchase
kevind
Lowell, US
★★★★★ 5
Perfect fit
Fit my car perfectly and good quality filter.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2026
J
Verified Purchase
J. Fleming
Port Orchard, US
★★★★★ 5
Satisfied with my purchase!
Well made, fit perfect and decent price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 1, 2025
B
Verified Purchase
Burt st.brice
Houston, US
★★★★★ 4
New
Looks great no issues with the product am happy with it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 3, 2025

recommand products