- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- FEBI Bilstein "100218" - Not available
VW - Golf, Caddy, Jetta, Touran; AUDI - A3, A4; SEAT - Altea, Leon; SKODA - Octavia