AEM Electronics 30-4900 Digital Failsafe Wideband AFR Gauge Kit

Advanced AFR Monitoring with Integrated Protection

The AEM Electronics 30-4900 Failsafe Wideband AFR Gauge Kit delivers simultaneous air/fuel ratio and boost/vacuum monitoring with built-in engine protection. This multifunctional system automatically activates user-defined failsafe protocols when AFR values exit safe parameters, preventing potential engine damage.

Dual Monitoring Capability

Perfect for turbocharged and supercharged vehicles, this system provides concurrent AFR and pressure monitoring for all gasoline engines. The integrated data logger continuously records AFR, boost, and RPM data for detailed analysis. The crisp OLED display and multi-color LED indicators provide clear, instant feedback at a glance.

Key Features

• Air/Fuel Ratio (AFR): Precise and responsive monitoring via wideband UEGO sensor
• Boost/Vacuum: Built-in MAP sensor measures up to 30 PSI
• Failsafe Status: Alerts and activates protection mode when AFR exceeds safe parameters
• Compact 52mm Design: Fits standard gauge pods for easy installation
• Data Integration: Compatible with AEM Infinity ECU and data logging systems

Installation Details

The compact 52mm (2-1/16 inch) design fits standard gauge pods for easy installation. Includes Bosch 4.2 LSU wideband sensor and weld-in bung. Features 0-5V analog output for transmitting AFR and boost data to ECUs or external data loggers. Intuitive buttons allow quick access to settings and calibration.

Integration Capabilities

Fully compatible with AEM Infinity ECU, CD5/CD7 digital displays, and AEM data loggers. Transmits AFR and boost data directly through AEMnet CAN protocol, integrating seamlessly into comprehensive engine monitoring systems.

Vehicle Compatibility

• All turbocharged or supercharged gasoline engines
• Any project running aftermarket engine management systems

Essential Protection for Performance

The AEM Electronics 30-4900 Digital Failsafe Wideband AFR Gauge Kit provides advanced monitoring and protection by tracking AFR and boost simultaneously. This essential solution for high-performance and modified vehicles ensures your engine operates within safe parameters while delivering the precise, real-time data serious enthusiasts demand.