- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- BOSCH "0 281 004 042" - Not available
AUDI - A5, A4, A3, A6, S6, Q5, A7, A8, Q3, A1; ALFA ROMEO - 159, Brera, Spider
Additional numbers
BOSCH:
LS44042
17003
LSU-4.9