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  • Photo - out of package
  • Photo - out of package

AEM X-Series Wideband UEGO AFR Gauge (No Sensor)

AEM30-0300NS

$169.95
$169.95 $191.95
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X-Series Wideband UEGO AFR Controller Gauges were the fastest responding wideband air/fuel ratio controllers in an independent test vs. 17 competitor wideband AFR controllers

Installation Instructions
  • X-Series Wideband UEGO AFR Controller Gauges were the fastest responding wideband air/fuel ratio controllers in an independent test vs. 17 competitor wideband AFR controllers
  • 0-5V & RS232 output for data logging and feedback control, AEMnet (CANbus) for data logging and daisy-chaining multiple controllers up to 16 cylinders
  • Black bezel and black double-sided faceplate included (silver bezel/white faceplate option sold separately, PN 30-0300-ACC)
  • User-configurable display for changing between AFR, Lambda, and O2%, and 3- or 4-digit display
  • 52mm gauge diameter and slim 0.825" gauge depth(Gauge cup depth only .200" deep)
  • Auto-Sensor Detection between AEM FAE and Bosch LSU 4.9 wideband sensors
  • Patented X-Digital wideband technology (Patent 9,575,030)
  • Compatible with supply voltages up to 16V
  • Auto-dimming feature
MPN: 30-0300NS
⚠️ Proposition 65 Warning: This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. Learn more »
AEM X-Series Wideband UEGO AFR Gauge (No Sensor)

$169.95

FAQ

When does my order ship?

Most orders ship in 1–3 days, but some items may take longer due to demand and manufacturing delays. For urgent orders, please contact us to confirm stock before purchasing.

Are returns accepted?

Not satisfied? Return any item within 30 days. See our FAQ page for details.

Buy now pay later options available?

Yes. Pay later in installments with Affirm or PayPal Pay Later.

Do we offer price matching?

We’re happy to price match any legitimate listing from an authorized dealer, as long as the item is in stock and the price is current. We cannot match outdated or incorrect discounts based on old MSRP, since those prices are often errors the competitor cannot honor.