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!
RABBIT WITH 2.5L UNDERBODY CONVERTER ASSEMBLY BOLTS TO ENGINE HAS O2 SENSOR BEHIND THE CONVERTER TEST GROUP 7VWXV02.5253 LEV2 ULEV CALIFORNIA APPROVED - CARB COMPLIANT EO NUMBER D798-10 PER CARB REQUIREMENTS THE TEST GROUP SHOWN HERE MUST MATCH THE TEST GROUP OF YOUR VEHICLE. CALL FOR ASSISTANCE IF NEEDED (713)722-9212