DENSO 234-5113 Upstream A/Fuel Sensor for Ford F-150 Explorer Expedition 5-Wire

234-4138 Denso O2 Oxygen Sensor Driver or Passenger Side Downstream & Upstream

234-5113 Denso O2 Oxygen Sensor Upstream

234-4048 Denso O2 Oxygen Sensor Driver or Passenger Side Downstream OR Upstream

234-4026 Denso O2 Oxygen Sensor Driver or Passenger Side Downstream & Upstream

234-4545 Denso O2 Oxygen Sensor Driver or Passenger Side Downstream & Upstream

234-4647 Denso O2 Oxygen Sensor Driver or Passenger Side Downstream & Upstream

234-4881 Denso O2 Oxygen Sensor Driver or Passenger Side Downstream & Upstream