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!
YUKON WITH 5.7L DRIVERS SIDE AND PASSENGER SIDE TEST GROUP VGM5.7HPG1EK TIER1 CONVERTER CA OR NY APPROVED - CARB COMPLIANT PER CARB REQUIREMENTS THE TEST GROUP SHOWN HERE MUST MATCH THE TEST GROUP OF YOUR VEHICLE. CALL FOR ASSISTANCE IF NEEDED (713)722-9212 F YOUR VEHICLE. CALL FOR