AEM Bosch LSU 4.9 UEGO Wideband Replacement Sensor

Keep your AEM wideband air/fuel ratio gauge reading accurately with the AEM Bosch LSU 4.9 UEGO Replacement Sensor. The Bosch LSU 4.9 is the industry-standard wideband oxygen sensor used in AEM's UEGO controllers and gauges, and this direct replacement ensures your AFR data stays precise — critical for tuning, data logging, and engine protection on any performance build.

Key Features

• Genuine Bosch LSU 4.9 wideband lambda sensor — the industry standard for UEGO applications
• Direct replacement for AEM UEGO wideband controllers and gauges
• High-quality sealed sensor housing for durability in harsh exhaust environments
• Mating connector with 12" leads included for ease of installation
• Accurate, reliable AFR measurement for tuning, data logging, and engine management
• Universal fitment — compatible with any exhaust system using a standard wideband bung

Specifications

• Sensor Type: Bosch LSU 4.9 Wideband Lambda (UEGO)
• Connector: Mating connector with 12" leads included
• Fitment: Universal

Fitment

• Universal — compatible with AEM UEGO wideband controllers and any application using the Bosch LSU 4.9 sensor

What's Included

• 1x Bosch LSU 4.9 UEGO Replacement Sensor
• Mating connector with 12" leads

Note: Verify sensor compatibility with your specific AEM UEGO controller or gauge before ordering. Professional installation recommended.