The Bosch LSU 4.9 Wideband Oxygen Sensor is a high-precision replacement O2 sensor designed for accurate air/fuel ratio measurement in modern engine tuning and data logging applications. Built on Bosch’s latest wideband sensor technology, the LSU 4.9 delivers fast response times, excellent durability, and stable readings across a wide range of operating conditions, making it a trusted choice for performance tuning, diagnostics, and ECU calibration.
Commonly used in Innovate Motorsports wideband systems, this 5-wire sensor is engineered for compatibility with a variety of wideband controllers and tuning setups. Whether you're replacing a worn sensor or maintaining a professional-grade AFR monitoring system, the LSU 4.9 ensures consistent measurement accuracy for both gasoline and ethanol-blended fuels.
Designed for performance enthusiasts and professional tuners, this sensor is essential for maintaining optimal air/fuel ratios during tuning, boost calibration, and high-load engine operation. Its robust construction helps withstand high exhaust temperatures while maintaining long-term reliability.
Key Features
- Bosch LSU 4.9 wideband oxygen sensor
- 5-wire design for high-accuracy AFR measurement
- Fast response for real-time tuning feedback
- Compatible with Innovate wideband systems and controllers
- Suitable for gasoline, E85, and ethanol-blended fuels
- OEM-quality construction for durability and long service life
Applications
Ideal for use in performance tuning, aftermarket ECU calibration, dyno testing, and wideband AFR monitoring systems requiring Bosch LSU 4.9 compatibility.
Specifications
- Sensor type: Wideband O2 (lambda sensor)
- Configuration: 5-wire LSU 4.9
- Quantity: 1 sensor
This sensor is a direct replacement component for wideband air/fuel ratio systems where precision and reliability are critical for engine safety and performance optimization.
