Delivery contentsGauge unit.Bosch LSU4 wideband sensor.6mm thermocouple suitable for turbo use.Thermocouple connector.Mounting hardware.A long, quality harness.Neccessary connectors.
Wideband lambds: M18x1.5 thread. Same as 99 % of narrowband units.
EGT: 1/8 NPT (National Pipe Thread).
Sensors are also available separately:Bosch LSU wideband sensors
ja K-type thermocouple
It is important to connect the egt sensor with the correct polarity. The green wire is positive (+) and the white one negative (-).