5wk9 6673A Nox Sensor 2894941 for Isx 6.7L 2010-2012, Find Details and Price about Oxygen Sensor 2894941 Oxygen Sensor from 5wk9 6673A Nox Sensor 2894941 for Isx 6.7L 2010-2012 - Hunan Smark Import & Export Co., Ltd