{"product_id":"aem-uego-wideband-air-fuel-ratio-gauge-52mm-bosch-4-9-lsu-led-readout-0-5v-output","title":"AEM UEGO Wideband Air\/Fuel Ratio Gauge 52mm (Bosch 4.9 LSU) — LED Readout, 0-5V Output","description":"\u003cp\u003e\u003cstrong\u003eThe AEM 30-4110 UEGO is a compact, 52mm digital wideband air\/fuel ratio (AFR) gauge with a Bosch 4.9 LSU sensor that displays fast, accurate AFR data via LED readout and 0-5V analog output.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis AEM wideband gauge provides real-time air\/fuel ratio monitoring for performance and safety tuning. It combines a bright LED numerical display with a sweeping color-change LED needle so you can see AFR at a glance, while supplying a 0–5V output for data loggers and engine management systems. Included are interchangeable bezels and faceplates so the gauge can match your dash or pod, and the Bosch 4.9 LSU sensor offers improved warm-up time and stable readings without requiring free-air calibration.\u003c\/p\u003e\n\n\u003ch3\u003eHow quickly and accurately does this gauge report AFR changes?\u003c\/h3\u003e\n\u003cp\u003eThe AEM 30-4110 uses the Bosch 4.9 LSU wideband sensor and a dedicated UEGO controller to detect small AFR shifts fast. It reports changes precisely enough to detect 0.1 AFR differences, giving tuners immediate feedback during adjustments or under load.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBosch 4.9 LSU sensor for faster light-off and stable readings.\u003c\/li\u003e\n  \u003cli\u003eDigital LED numeric readout plus sweeping LED needle for instant visual feedback.\u003c\/li\u003e\n  \u003cli\u003eDetects 0.1 AFR changes for precise tuning.\u003c\/li\u003e\n  \u003cli\u003eNo free-air calibration required when used with AEM gauge.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat installation and connectivity options does the gauge offer?\u003c\/h3\u003e\n\u003cp\u003eThe gauge ships with two harnesses: a longer harness for the UEGO sensor and a shorter harness with four wires for power, ground and outputs. Its 52mm (2-1\/16\") housing fits most standard gauge pods or can be remotely mounted, and the 0–5V analog output integrates with many aftermarket ECUs and data logging systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e52mm housing fits common pods and remote installs.\u003c\/li\u003e\n  \u003cli\u003eTwo harnesses included: sensor harness and short four-lead harness.\u003c\/li\u003e\n  \u003cli\u003e0–5V analog output compatible with most engine management systems.\u003c\/li\u003e\n  \u003cli\u003eWeld-in bung and Bosch sensor included (PN 30-4110).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow customizable is the gauge’s appearance for dash integration?\u003c\/h3\u003e\n\u003cp\u003eAEM includes interchangeable black and white faceplates plus black and silver bezels so you can match the gauge to your dash or pod theme. The faceplates allow for different visual contrast and the bezels change the outer trim, creating several distinct looks from one unit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBlack and white faceplates included for contrast options.\u003c\/li\u003e\n  \u003cli\u003eBlack and silver bezels included for different trim finishes.\u003c\/li\u003e\n  \u003cli\u003eCompact 52mm size for conservative or cluster installs.\u003c\/li\u003e\n  \u003cli\u003eLED needle color changes provide instant AFR context without reading numbers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat sensor differences should I know compared to older AEM models?\u003c\/h3\u003e\n\u003cp\u003eThe 30-4110 uses the Bosch 4.9 LSU sensor which lights off faster and draws less current than older 4.2 LSU sensors. The connector and sensor are not interchangeable with the older 30-4100 controller, so use the supplied 4.9 sensor and harness designed for this gauge.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBosch 4.9 LSU sensor included; improved warm-up and stability.\u003c\/li\u003e\n  \u003cli\u003eDifferent connector than older 4.2 LSU sensors—do not swap sensors between controllers.\u003c\/li\u003e\n  \u003cli\u003eSame fuel compatibility as previous sensors; designed for wideband AFR use.\u003c\/li\u003e\n  \u003cli\u003eNo free-air calibration required when used with this AEM gauge.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The AEM 30-4110 UEGO Air\/Fuel Ratio Gauge is aimed at vehicle owners, hobbyist tuners and professional shops who need a compact, accurate wideband AFR display with data output. It suits street, track and turbo or high-performance applications where monitoring AFR precisely matters during tuning and high-load operation. If you want a small-footprint gauge that ties into logging or an aftermarket ECU while offering quick visual cues and customization, this AEM unit is designed for that role.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the 30-4110 require free-air calibration?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. When used with the AEM wideband gauge, the Bosch 4.9 LSU sensor does not require free-air calibration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I connect the 0–5V output to my aftermarket ECU?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The gauge provides a 0–5V analog output compatible with most ECUs and data loggers.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AEM","offers":[{"title":"Default Title","offer_id":48080235724958,"sku":"B00N3VGPYS","price":316.17,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/aem-30-4110-front-gauge-display.jpg?v=1785779974","url":"https:\/\/northtrailauto.ca\/products\/aem-uego-wideband-air-fuel-ratio-gauge-52mm-bosch-4-9-lsu-led-readout-0-5v-output","provider":"North Trail Auto","version":"1.0","type":"link"}