300300 Wideband UEGO Air Fuel Ratio Gauge Kit X Series 2 1/16 AFR O2 Sensor
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Product Overview
Key Features & Performance
- X-series digital controller with ultra-fast sampling for true wideband AFR accuracy
- 2-1/16" (52mm) gauge with bright LED display and configurable backlighting
- Includes genuine Bosch LSU 4.9 wideband O2 sensor for long-term reliability
- 0-5V analog output enables seamless data logging and ECU integration
- Free-air automatic calibration simplifies sensor setup and maintenance
- Supports AFR range from 8.0:1 to 20.0:1 for gasoline, ethanol blends, and race fuels
Common Uses
- Street and track performance tuning for naturally aspirated and forced induction engines
- Real-time monitoring of air/fuel ratios on turbocharged and supercharged setups
- ECU calibration and standalone engine management integration
- Diagnostic tool for detecting lean/rich conditions during tuning sessions
Technical Specifications
- Part Number(s): 30-0300
- Gauge Size: 2-1/16" (52mm)
- Sensor Type: Bosch LSU 4.9 Wideband O2 Sensor
- Display: Digital LED with configurable backlight
- Analog Output: 0-5V Linear
- AFR Range: 8.0:1 – 20.0:1 (Gasoline)
Frequently Asked Questions
Q: Does this kit include the oxygen sensor and all wiring? A: Yes, it comes with a genuine Bosch LSU 4.9 wideband sensor, wiring harness, and all mounting hardware.
Q: Can I replace my factory narrowband O2 sensor with this wideband gauge? A: No, this gauge is a standalone AFR monitor and does not emulate a narrowband signal; a separate bung should be welded for the sensor.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.