ECUMaster Wideband 4.9 Oxygen Sensor Kit With Terminals is only for EMU Black! This will allow you to use the on-board wideband oxygen sensor controller in the ECUMaster Black EMU. Accurate information is vital to engine performance and tuning, and the Bosch LSU 4.9 wideband oxygen sensor is a reliable and accurate sensor.

What’s in the box?
Bosch LSU 4.9 Oxygen Sensor
Mating connector with terminals

This sensor will NOT work with the older ECUMaster EMU, or the new EMU Classic, it is only for EMU BLACK.