- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- LUCAS "LEB433" - Not available
ALFA ROMEO - 156, GT, 147, GTV, Mito; FIAT - Bravo, Grande Punto; ABARTH - Grande Punto, 500; LANCIA - Delta, Kappa