Innovate Bosch LSU 4.2 Wideband O2 Sensor 240SX redesigned to give you more

redesigned to give you more capability with less complexity

Need the controller too

Protects O2 Sensor Ports: Keeps your O2 sensor port clean and protected when the sensor is not in use

Secondary ground helps reduce noise and improve spark consistency

Note: wiring is not polarized

Innovate Bosch LSU 4.2 Wideband O2 Sensor 240SX redesigned to give you moreThe Bosch LSU 4. 2 Oxygen Sensor is a high performance, wideband O2 sensor designed for precise air fuel ratio measurement. Trusted by tuners and OEMs alike, the LSU 4. 2 is engineered for durability and accuracy in both high performance and daily driving applications. Its fast response time and reliable data make it ideal for use in standalone engine management systems, datalogging setups, and wideband controllers. Whether youre using it for tuning,