- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- LUCAS "LEB5547" - Not available
VW - Golf, Passat, Arteon, Tiguan, Polo; AUDI - A3, TT; SKODA - Superb, Octavia; SEAT - Leon, Alhambra