Wideband Sensor - Bosch LSU 4.9 HT-010718

The Bosch LSU 4.9 wideband oxygen sensor delivers precise air-fuel ratio measurement for professional engine tuning applications. Engineered to Haltech's exacting standards, this sensor provides rapid response times and exceptional accuracy across the full tuning range. The LSU 4.9 design offers improved light-off performance and broader lambda measurement capability compared to earlier sensor generations. Essential for closed-loop fuel control and safe power optimisation, this sensor ensures your engine management system receives reliable exhaust gas data for optimal calibration results.