- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- NTK "5747" - Not available
ROVER - 45, 25, 200, 400, Streetwise; MG - MG ZS, Express; AUDI - A4, A6; CITROËN - Xsara, C5; ALFA ROMEO - 156, 166