Oxygen Sensor. Year Range. 100% Factory tested. Ensures smog test compliance. Superior design maximizes engine performance and fuel efficiency while reducing fuel consumption and harmful emissions. PTFE filter blocks efficiency-robbing contaminants.
OEM 2x Upstream + Downstream Oxygen Sensor for 1997-2000 Mercedes-Benz C230 2.3L
OEM 2x Upstream + Downstream Oxygen O2 Sensor Fit For 2006-2008 BMW Z4 3.2L
4X Oxygen Sensors (2x Upstream&2x Downstream) for
2x Upstream & 2x Downstream Oxygen Sensors for BMW 325xi 328xi 325i 330i 335is
2x Upstream & 2x Downstream Oxygen Sensor for BMW 550i 650i XDrive 4.4L 234-5138
4X Oxygen Sensors (2x Upstream & 2x Downstream) for BMW 135i 128i 325xi 335i
