AEM X-Series Wideband UEGO AFR Gauge - No Sensor

The AEM X-Series Wideband UEGO is a 52mm (2-1/16 in) air/fuel ratio gauge that reads AFR, Lambda, or O2% on a user-configurable digital display with a 3- or 4-digit readout. It provides a 0-5V analog output plus RS232 and AEMnet (CANbus) for data logging and feedback control, covers an 8.5:1 to 18:1 AFR range, and runs on supply voltages up to 16V. This 30-0300NS version ships as the gauge only and does not include a wideband oxygen sensor. It auto-detects AEM FAE and Bosch LSU 4.9 sensors, which are sold separately.

Specifications

Documents: Installation Instructions (PDF)

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy