{"product_id":"gledewen-wideband-uego-afr-gauge-52mm-with-lsu-4-9-sensor-24-color-led-fast-20ms-response","title":"Gledewen Wideband UEGO AFR Gauge 52mm with LSU 4.9 Sensor — 24-Color LED, Fast 20ms Response","description":"\u003cp\u003e\u003cstrong\u003eThe Gledewen 52mm Wideband UEGO Air-Fuel Ratio Gauge Kit is a real-time AFR\/Lambda monitor and controller that pairs a fast LSU 4.9 sensor with a reversible 24-color LED display for precise tuning on street and race engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eAccurate air-fuel monitoring is essential when dialing in ignition timing, fueling maps, or diagnosing combustion issues. This 52mm (2-1\/16\") Gledewen kit combines a wideband controller gauge, LSU 4.9 oxygen sensor, and harnessing to deliver rapid 20ms response readings across 8.0:1 to 20.0:1 AFR (0.55–2.00 Lambda). The unit provides configurable readouts, multiple calibration options, and outputs for logging or aftermarket engine management systems.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the gauge display and help me read AFR quickly?\u003c\/h3\u003e\n\u003cp\u003eThe faceplate uses a sweeping 24-color LED arc plus a central numeric display that can show three or four digits. Colors help you scan at a glance while the numeric readout gives precise values, and the display is reversible for preferred mounting orientation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e24-color graduated LED bar for visual leaning\/tuning cues\u003c\/li\u003e\n  \u003cli\u003eConfigurable 3- or 4-digit numeric modes for precision\u003c\/li\u003e\n  \u003cli\u003eSelectable readouts: AFR, Lambda, or O2% to match tuning workflows\u003c\/li\u003e\n  \u003cli\u003eAuto-dimming to reduce glare during night driving\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat sensor and accuracy features can I expect?\u003c\/h3\u003e\n\u003cp\u003eThe kit ships with an LSU 4.9 wideband oxygen sensor factory-trimmed for reliable output and fast response. It reports changes in AFR rapidly and includes both resistor-trim (rCAL) and free-air (ACAL) calibration methods so tuners can choose the best approach for their setup.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLSU 4.9 sensor for industry-standard accuracy and speed\u003c\/li\u003e\n  \u003cli\u003eTypical 20ms response time for near-instant feedback\u003c\/li\u003e\n  \u003cli\u003eFactory trim resistor included for simple, recommended calibration\u003c\/li\u003e\n  \u003cli\u003eACAL available for users who prefer free-air recalibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and connect the Gledewen UEGO kit?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: mount the 52mm gauge, wire power\/ground, and fit the sensor into an exhaust bung. The kit includes harnesses, a PWR\/IO cable and basic connectors so you can get the system powered and reading quickly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMountable 52mm diameter gauge fits standard pods or dash holes\u003c\/li\u003e\n  \u003cli\u003eWiring: red = 12V+, black = ground; compatible up to 16V systems\u003c\/li\u003e\n  \u003cli\u003eIncludes sensor harness, PWR\/IO cable, butt connectors, and nut\u003c\/li\u003e\n  \u003cli\u003eRS-232 and 0–5V analog outputs for data-logging or ECUs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat inputs and outputs does the controller offer for tuning workflows?\u003c\/h3\u003e\n\u003cp\u003eThe controller provides both analog (0–5V) and serial RS-232 outputs so you can feed readings to aftermarket engine management or datalogging tools. It also supports CAN mode for calibration workflows that interact with engine systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e0–5V analog output for simple logging and gauge interfacing\u003c\/li\u003e\n  \u003cli\u003eSerial RS-232 output for higher-fidelity data capture\u003c\/li\u003e\n  \u003cli\u003eCAN mode option for integration with CAN-capable tuning tools\u003c\/li\u003e\n  \u003cli\u003eConfigurable display modes to match logging targets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The Gledewen Wideband UEGO AFR Gauge Kit is aimed at hobbyist and professional tuners, performance builders, and any driver wanting accurate, fast air-fuel feedback. It suits street-driven cars, track vehicles, and custom projects where precise AFR\/Lambda readings, simple installation, and flexible outputs are required. With factory-trimmed sensor options, multiple calibration paths, and both visual and data outputs, this kit helps you tune more confidently without needing complex setup steps.\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 this kit include the LSU 4.9 sensor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The package includes a factory-trimmed LSU 4.9 wideband sensor ready for installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I log data from the gauge to my ECU or logger?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It offers 0–5V analog and RS-232 outputs, plus CAN mode for compatible systems.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Gledewen","offers":[{"title":"Default Title","offer_id":48080751526046,"sku":"B0CJHS2FWN","price":144.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/gledewen-front-faceplate-led-display.jpg?v=1785785807","url":"https:\/\/northtrailauto.ca\/products\/gledewen-wideband-uego-afr-gauge-52mm-with-lsu-4-9-sensor-24-color-led-fast-20ms-response","provider":"North Trail Auto","version":"1.0","type":"link"}