A faulty Oxygen Sensor is a primary reason for Failure of a Catalytic Converter. Car Manufacturers Recommend Replacement of O2 Sensors at 60,000 miles. If you are purchasing a New Catalytic Converter be sure the Oxygen Sensors are Checked and Operating Correctly!
FRONTIER WITH 2.4L 2WD FRONT CONVERTER BOLTS TO ENGINE TEST GROUP 1NSXT02.4C4A LEV LEV1 CA OR NY APPROVED - CARB COMPLIANT D665-23 PER CARB REQUIREMENTS THE TEST GROUP SHOWN HERE MUST MATCH THE TEST GROUP OF YOUR VEHICLE. CALL FOR ASSISTANCE IF NEEDED (713)722-9212