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 UNDER BODY CONVERTER ASSEMBLY BOLTS TO THE TWO FRONT CONVERTERS CONVERTER WILL WORK WITH FEDERAL EMISSION SYSTEMS ONLY. NOT FOR SALE OR USE ON VEHICLES REGISTERED IN THE STATES OF CA, CO, ME OR NY