AEM - Bosch LSU 4.9 Wideband UEGO Replacement Sensor

The AEM Bosch LSU 4.9 Wideband UEGO Replacement Sensor provides precision air-fuel ratio monitoring for professional tuning and performance applications. Factory-calibrated with a laser-etched resistor, this Bosch-manufactured sensor ensures accurate readings without the need for free-air calibration when paired with compatible AEM controllers.

Engineered for reliability, it delivers ±0.1 AFR accuracy and long-term stability in harsh engine environments. The durable construction withstands heat, vibration, and fuel exposure, maintaining precise output over time. Compatible with AEM systems such as 30-4110, 30-0300, 30-0334, and 30-0310, it’s the trusted choice for consistent, high-resolution AFR data.

Features:

• Factory-calibrated Bosch LSU 4.9 wideband sensor – ±0.1 AFR accuracy

• No free-air calibration required for AEM controllers

• Laser-etched resistor ensures consistent performance

• Compatible with multiple AEM systems for versatile applications

• Durable construction resists heat and vibration

• Replacement sensor only