- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- LEMARK "LLB203" - Not available
ALFA ROMEO - 156, 147, Giulietta, 166, Spider; FIAT - Doblo, Grande Punto; ABARTH - Grande Punto, 500