- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Sando "SSN73T03.1" - Not available
SEAT - Ibiza, Arosa, Cordoba, Leon, Inca; VW - Bora, Polo; AUDI - A3; SKODA - Octavia