- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- LUCAS "LEB5553" - Not available
KIA - Ceed, PRO Ceed, Carens, Optima, Sportage, RIO, Soul, Stonic; HYUNDAI - I30, I40, Tucson, Accent, Elantra