- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- ZENTPARTS "Z55393" - Not available
PEUGEOT - 406, 405, 307, 407, 306; CITROËN - C5, Xsara; FIAT - Ducato, Punto; AUDI - A4, TT; ALFA ROMEO - 156, 166