Oxygen, Lambda Sensor Exhaust Oxygen Sensor (O2 Sensor) Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture Denso "DOX-0642" - Not availableVOLVO - XC60, V90, S90, V60, XC90, XC40, V40, S60, S80, V70; POLESTAR - Polestar 1