AE-M Wideband Sensor Gauge Kit — 30-0300 X-Series AFR O2 UEGO Air Fuel Ratio Gauge for AEM

Take control of your engine tuning with the AE-M New Wideband Sensor Gauge (30-0300), a precision-engineered AFR gauge built for performance enthusiasts. Designed with AEM’s patented X-Digital technology, this wideband sensor gauge delivers lightning-fast response times, ultra-accurate air/fuel readings, and unmatched reliability — perfect for EFI and carbureted setups. Whether you’re running gasoline, methanol, ethanol, diesel, propane, or CNG, this gauge kit empowers you with precise data for optimal engine performance.

Why Choose the AE-M X-Series Wideband AFR Gauge?

• Patented X-Digital Technology – Ensures lightning-fast, accurate AFR readings with full transient response.

• Enhanced Display – Large center display (87% larger than previous models) for easy readability during racing or tuning.

• Versatile Compatibility – Works with a wide range of fuels and engine setups.

• Slim Design – Less than one inch deep, enabling flexible installation options for any setup.

• Customizable Settings – Change AFR, Lambda, O2%, display digits, perform free-air calibration, and adjust CAN message IDs directly from the gauge face.

Key Features

• Part Number: AEM 30-0300

• Sensor Type: Piezoelectric

• Display Type: Digital

• Gauge Diameter: 2 1/16 inch (52mm)

• Mounting Style: Flush mount with customizable decals

• OEM Fit: Direct compatibility with AEM X-Series wideband controllers

• Precision AFR Range: Full wideband readings for high-performance tuning

Performance Benefits

Faster response times mean quicker adjustments and more precise tuning, reducing deadtime and improving feedback control for safer, more efficient engine operation. This gauge gives you the accuracy needed to push your engine to its limits while protecting it from damage.

Package Includes

• 1 × AE-M New Wideband Sensor Gauge (30-0300)

• Decals for customization

• Mounting hardware