日产尼桑A33 后氧传感器灰色插头 226A0-4L713，即插即用匹配

Nissan Sentra A33 rear oxygen sensor with gray connector, OEM 226A0-4L713, direct plug-and-play replacement. KLP uses high-temperature ceramic element and sealed welded construction, tested durability comparable to OE to withstand high exhaust temps. It monitors oxygen content in exhaust and feeds ECU to maintain air-fuel balance, reducing fuel consumption and emissions. No wire cutting or programming required; after replacement, just unplug/plug the oxygen sensor interface; typical shop time under 30 minutes.