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!
PATHFINDER WITH 3.5L UNDERBODY CONVERTER ASSEMBLY BOLTS FRONT CONVERTERS TEST GROUP ENSXT03.5G7B LEV2 ULEV OR DNSXT03.5G7B LEV2 ULEV CALIFORNIA AND NEW YORK COMPLIANT EO D193-148 PER CARB REQUIREMENTS THE TEST GROUP SHOWN HERE MUST MATCH THE TEST GROUP OF YOUR VEHICLE. CALL FOR ASSISTANCE IF NEEDED (713)722-9212