Ruiya 2Pcs Upstream & Downstream O2 Oxygen Sensor For 1998-2005 Lexus Gs300 Cylinder 1, 2, 3 3.0L

Description：
The oxygen sensor, located either upstream or downstream of the catalytic converter, is designed to monitor the air-fuel mixture under idle, moderate acceleration, and cruise conditions. Symptoms of a faulty or bad oxygen sensor include bad gas mileage, rough idle, reduced drivability, and an illuminated check-engine light.

Fitment：
Cylinder 1, 2, 3 ;1Pcs Upstream + 1Pcs Downstream 2005 Lexus GS300 Base Sedan 4-Door 3.0L 2997CC l6 GAS DOHC Naturally Aspirated
Cylinder 1, 2, 3 ;1Pcs Upstream + 1Pcs Downstream 2004 Lexus GS300 Base Sedan 4-Door 3.0L 2997CC l6 GAS DOHC Naturally Aspirated
Cylinder 1, 2, 3 ;1Pcs Upstream + 1Pcs Downstream 2003 Lexus GS300 Base Sedan 4-Door 3.0L 2997CC l6 GAS DOHC Naturally Aspirated
Cylinder 1, 2, 3 ;1Pcs Upstream + 1Pcs Downstream 2002 Lexus GS300 Base Sedan 4-Door 3.0L 2997CC l6 GAS DOHC Naturally Aspirated
Cylinder 1, 2, 3 ;1Pcs Upstream + 1Pcs Downstream 2001 Lexus GS300 Base Sedan 4-Door 3.0L 2997CC l6 GAS DOHC Naturally Aspirated
Cylinder 1, 2, 3 ;1Pcs Upstream + 1Pcs Downstream 2000 Lexus GS300 Base Sedan 4-Door 3.0L 2997CC l6 GAS DOHC Naturally Aspirated
Cylinder 1, 2, 3 ;1Pcs Upstream + 1Pcs Downstream 1999 Lexus GS300 Base Sedan 4-Door 3.0L 2997CC l6 GAS DOHC Naturally Aspirated
Cylinder 1, 2, 3 ;1Pcs Upstream + 1Pcs Downstream 1998 Lexus GS300 Base Sedan 4-Door 3.0L 2997CC l6 GAS DOHC Naturally Aspirated