300300 Wideband UEGO Air Fuel Ratio Gauge Kit X Series 2 1/16 AFR O2 Sensor

This Wideband UEGO Air Fuel Ratio Gauge Kit is a complete wideband air/fuel ratio monitoring solution featuring a 2-1/16" digital gauge, X-series controller, and Bosch LSU 4.9 oxygen sensor, designed for precise fuel tuning on gasoline engines.

Product Overview

The Wideband UEGO Air Fuel Ratio Gauge Kit provides real-time accurate AFR data essential for performance tuning. This wideband UEGO air fuel ratio gauge kit includes the advanced controller, sensor, and all required hardware to turn your vehicle into a tuning workstation. Whether calibrating a standalone ECU or verifying safe mixtures under boost, this wideband AFR kit delivers the precision you need.

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.