Application Oxygen Sensor Upstream Downstream Fits for Chevy Avalanche 5.3L6.0L 2007 , Silverado 1500 4.3L 07 , Silverado 1500 Classic 4.3L 07 , for Chevy Suburban 1500 5.3L6.0L 07 , Suburban 2500 6.0L 07 , for Chevy Tahoe 5.3L 2007 4.8L 0607 , for GMC Sierra 1500 4.8L 2006 , Sierra 1500 Classic 4.3L 07 , Sierra 1500 4.8L Classic Body Style 07 , Yukon 6.2L4.8L5.3L 2007 , Yukon 4.8L 2006 , Yukon XL 1500 6.2L5.3L6.2L 07 , Yukon XL 2500 6.0L 07 , for Cadillac Escalade ESV EXT 6.2L 07 Replacement Part No O2 Sensor Replace 2344018 2344112 2344337 2344087 25161130 25161131 25164983 25312196 AFS123 AFS98 AFS97 ES20002 2344087 13444 12578459 12587214 19178921 19178924 SG277 25024018 25312203 25315373 5S3120 13474 21539 ES20000 2344018 19178116 19178945 251313961 25161128 SU1293 SG272 25163080 25164488 25312194 25312201 Before purchasing an oxygen sensor, please carefully check your vehicles year, brand and model, plug and part number to confirm compatibility Oxygen Sensor Makings Our oxygen sensor is made of carefully selected materials, capable of reaching temperatures up to 650 degrees Celsius, with faster response time and longer lifespan Role of the Oxygen Sensor Oxygen sensors are critical components in maintaining the health and performance of your vehicles engine can accurately detect and help ensure continuous monitoring and operation of your engine. O2 sensors solve the problems of unstable idle, frequent stalling, and poor acceleration in your car Efficieent Problem Solving If you encounter any dissatisfaction with the performance of your oxygen sensors, we are committed to providing prompt assistance. Simply send us an email detailing the issue, and our dedicated team will work diligently to resolve your concerns. Whether it involves oxygen sensor replacement, or troubleshooting, we prioritize your satisfaction and aim to ensure your o2 sensor functions as expected