Nissan Teana Oxygen Sensor 234-9148 211500-7610 22693-1PM0A Full Set Replacement

For Nissan Teana 2008-2012 2.5L (VQ25DE) and 2013-2018 2.0L (MR20DE) engines, and some Infiniti G25 models, applicable oxygen sensor OEM numbers 211500-7610, 22693-1PM0A, and 234-9148. This part monitors exhaust oxygen content and feeds ECU to adjust air–fuel ratio for efficiency and emissions. Replacement difficulty medium; use a dedicated socket to avoid thread damage; after replacement, clear fault codes and road test to verify.