- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Topran "117 690" - Not available
VW - Golf, Jetta, Virtus, Tiguan, Caddy; AUDI - A3, Q2; SEAT - Leon, Ateca; SKODA - Octavia, Kodiaq