- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- HELLA "6PA 358 243-721" - Not available
VW - CC, Passat, Golf, Scirocco, EOS; SEAT - Leon, Altea; AUDI - A3, TT; SKODA - Octavia, Superb