New 4-piece O2 oxygen sensor upstream/downstream for 2011-2012 for Ford Explorer 3.5L

Condition:New|Brand:Unbranded|Type:Oxygen Sensor|Interchange Part Number:9E5Z9F472D, BL3Z9F472A, BL3Z9G472A, CA38188G1|Sensor Type:Oxygen Sensor|Manufacturer Warranty:3 Years|Fitment Type:Direct Replacement|Manufacturer Part Number:234-4489, 234-5038|UPC:Does not apply|Interchange Part Number 3:BH6Z9G444A, CA3918861, CA4118861, CK4Z9G444D|Interchange Part Number 1:ZZDL18861, OS5578, DY1178, BE5Z9G444D