Honda Civic 2011 1.3L 1339CC 82Cu. l4 ELECTRIC SOHC Naturally Aspirated Part Note: DOWNSTREAM - OE TYPE - NTK IS OE. DOWNSTREAM POSITION ONLY . Acura ILX 2013-2014 2.0L 2000CC 122Cu. l4 GAS SOHC Naturally Aspirated Part Note: DOWNSTREAM - OE TYPE - NTK IS OE.