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!
JETTA WITH 2.0L CONVERTER BOLTS TO MANIFOLD WITH 4 BOLT FLANGE ONE O2 SENSOR PORT BEHIND CONVERTER CONVERTER WILL WORK WITH FEDERAL AND CALIFORNIA EMISSION SYSTEMS. NOT FOR SALE OR USE ON VEHICLES REGISTERED IN THE STATES OF CA, CO, ME OR NY