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!
2.25 INLET X 2.25 OUTLET 16.00 INCH OVERALL Round O2 SENSOR PORT AT MIDDLE OF SHELL 5.9L AND UP TO 5500 LBS. GVW EXCEPT VEHICLES REGISTERED IN CALIFORNIA
