The Haltech Bosch LSU 4.9 Wideband Sensor is a high-precision component designed for accurate air-fuel ratio monitoring in automotive engines. This sensor features a factory calibration resistor connector, ensuring reliable and consistent readings essential for optimal engine performance and emission control. The Bosch LSU 4.9 is renowned for its durability and precision, making it suitable for use in a variety of tuning and diagnostic applications. Its compact design allows for easy installation in tight engine bays, providing real-time feedback critical for modern engine management systems.

Features:

• Wideband sensor technology for precise air-fuel ratio measurement
• Includes factory calibration resistor connector for reliable operation
• Designed for automotive use with high durability and accuracy
• Compact form factor suitable for various engine configurations
• Prop 65 compliant for safety and environmental standards