AEM Bosch 4.9 LSU Wideband UEGO Replacement Sensor

AEM Bosch 4.9 LSU wideband UEGO replacement O2 sensor - the sensor only (with attached cable and male connector) for replacing a mounted wideband sensor on AEM wideband air/fuel UEGO controllers. A laser-etched calibrated resistor in the connector body is matched to this exact sensor (do not modify), and the sensor is laboratory-calibrated at Bosch to 0.1 AFR, so it never needs free-air calibration with an AEM controller. Sealed housing with 360-degree welded wetted area resists automotive fluids. Connector and pins included.

Specifications

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