Built around AEM’s X-Series platform, this gauge features a high-speed digital controller that’s significantly faster than older UEGO systems. That means more accurate AFR readings, quicker feedback, and fewer “why did it just lean out?” moments.
The bright center LED display shows AFR or Lambda clearly, while the programmable outer LED ring gives you instant visual feedback—green when you’re safe, red when things are getting spicy (and expensive).
This kit includes the Bosch LSU 4.9 wideband sensor, known for its accuracy and durability, along with a weld-in bung, wiring harness, and everything needed for install. No guessing, no extra trips to the parts store.
And yes, it includes 0–5V analog output, so you can feed data directly into your ECU or data logger like a proper setup—not just stare at numbers and hope.
Replaces Part Numbers:
30-0300
Quality Guarantee:
36-Month Warranty
At Gledewen, we take pride within the quality of our products and on your satisfaction. When you’ve got any problems, do not hesitate to contact us.
Why It Matters
AFR is everything when it comes to performance and reliability. Too rich, you lose power. Too lean, you lose your engine. This gauge makes sure you stay right where you need to be—alive and making power.
Key Features
- Accurate wideband AFR and Lambda monitoring
- Bosch LSU 4.9 wideband O2 sensor included
- Fast-response X-Series digital controller
- Bright LED display with programmable outer ring
- 0–5V analog output for ECU/data logging
- Includes weld-in bung and complete install kit
- Standard 52mm (2-1/16”) gauge size
【High-Precision Monitoring】 The 30-0300 Wideband UGEO AFR Gauge, offering accurate and real-time air-fuel ratio (AFR) data to optimize engine performance, reduce emissions, and boost power.
【Real-Time Data Feedback】 The 52mm (2-1/16″) gauge displays real-time AFR/Lambda values clearly, providing drivers and tuners with critical information to deal with engine efficiency and adjust fuel mixture for optimal performance.
【Dual Calibration Modes】 Supports Resistor Trim Mode (rCAL) and Free Air Mode (ACAL) for flexible calibration. The factory-calibrated, offering high accuracy right out of the box and not using a extra setup required for most users.
【Easy Installation】 The kit features a detailed installation manual and all important wiring for quick setup.
【36-Month Warranty】If the wideband gauge kit fails, stops working or some other problems, you’ll depend on our service of carefree REPLACEMENT or REFUND
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