234-4855 (4-wire oxygen sensor): Downstream Right X1. 234-4856 (4-wire oxygen sensor): Downstream Left X1. Downstream locatio n is between the catalytic converter and the tailpipe. 2006-2010 Kia Sedona 3.8L.
Set of 4 Upstream+Downstream Oxygen Sensor For Toyota 4Runner 4.0L V6 2003-2004
Set of 4 Upstream & Downstream Oxygen O2 Sensor For Toyota 4Runner Lexus GX470
✅Set of 4 Upstream+Downstream Oxygen Sensor For Ford F-150 Mustang 2015-2017 USA
Set of 4 Upstream+Downstream Oxygen Sensor For 2017-2020 Ford F-150 3.5L Turbo A
Set of 4 Oxygen O2 Sensor Downstream Upstream Sensor for Acura TL RL Honda Pilot
Set of 4 O2 Oxygen Sensor Front Rear Down/Upstream For Ford Mercury Mazda
