- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- ESTANFI "EST-43-MI03" - Not available
HYUNDAI - Pony, Excel, H-1, Starex, H100, Sonata, Lantra, S; MITSUBISHI - Galant, Lancer, Colt, L 300, Space Wagon, Sapporo