Air/Fuel Ratio AFR Gauge Wideband Kit with New Upgrade Original LSU 4.9 O2 Sensor UEGO AFR Digital LED Display Gauge O2 Oxygen Sensor 52mm (2-1/16”) for 12V/16V Car

Specification Gauge Size: 52mm (2-1/16") Diameter, Ultra-Thin Round Housing Display: Bright Digital LED Core Sensor: Original grade LSU 4.9 Wideband Oxygen Sensor (O2 Sensor) Operating Voltage: 12V, compatible with systems up to 16V Output: Display Only (No analog/logging output) Advantages 1. Complete Ready-to-Install Kit: Includes gauge, LSU 4.9 sensor, controller box, wiring harness, sensor bung & plug for a professional wideband system installation. 2. Superior Original grade LSU 4.9 Sensor Accuracy: Features the latest wideband O2 sensor technology for fast, stable, and highly accurate AFR readings in extreme exhaust conditions. 3. Universal 52mm Vehicle Compatibility: Standard 2-1/16” size fits most gauge pods; works with 12V-16V systems for classic & modern gasoline engines. 4. Real-Time Monitoring with Visual Alarms: Digital display provides instant feedback; programmable warning lights protect against damaging lean/rich conditions. 5. Standalone Controller Box Design: Separate controller ensures reliable signal processing and allows for flexible, discreet mounting away from heat and dash. 6. Ultra-Thin Professional Aesthetics: Low-profile gauge housing enables a sleek, flush-mounted look for a clean and integrated cockpit installation. Package Includes 1 x 52mm Digital AFR Gauge 1 x LSU 4.9 Oxygen Sensor 1 x Pre-Assembled Main Wiring Harness 1 x Weld-On Oxygen Sensor Bung with Plug Mounting Hardware & User Guide

• NEW UPGRADE ORIGINAL LSU 4.9 SENSOR FOR SUPERIOR ACCURACY: Equipped with a top-tier original factory style LSU 4.9 wideband oxygen sensor, renowned for its laboratory-grade precision, extended lifespan, and exceptional stability. It withstands extreme exhaust temperatures to deliver fast, reliable air/fuel ratio (AFR) data critical for professional tuning
• UNIVERSAL 52MM VEHICLE COMPATIBILITY: Our digital AFR gauge comes in a standard 52mm (2-1/16 inch) housing for flexible mounting in most instrument pods. Compatible with vehicle/system voltages up to 16V, it offers a true plug-and-play wideband oxygen sensor solution for virtually any 12V gasoline engine, from classic cars to modern performance builds
• REAL-TIME UEGO MONITORING & ALERTS: This wideband UEGO gauge delivers instant, clear digital readouts of your AFR/Lambda value. Programmable visual warning alarms instantly notify you of dangerous lean or rich conditions, making it a critical monitoring tool for carburetor adjustment, fuel injection tuning, and engine protection
• ULTRA-THIN DESIGN & COMPLETE KIT: The ultra-thin round gauge profile enables seamless, low-profile dashboard installation. This all-in-one kit includes 1×wideband air/fuel ratio gauge, 1×LSU4.9 oxygen sensor,1×oxygen sensor wire,1×oxygen sensor bung, and all necessary wiring for a complete and professional wideband oxygen sensor system installation
• DEDICATED STANDALONE OPERATION: Designed as a dedicated monitoring gauge, it provides precise, real-time exhaust gas measurement for observation and tuning purposes. Notice: It functions as an accurate AFR gauge display and cannot be connected to a computer for analog output or data logging