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 XL 2500 WITH 6.0L UNDERBODY CONVERTER ASSEMBLY PASSENGER SIDE BANK 2
TEST GROUP 8GMXT06.2394 LEV LEV2 CALIFORNIA AND NEW YORK COMPLIANT EO D193-120 PER CARB REQUIREMENTS THE TEST GROUP SHOWN HERE MUST MATCH THE TEST GROUP OF YOUR VEHICLE. CALL FOR ASSISTANCE IF NEEDED (713)722-9212