Oxygen O2 Sensor Upstream and Downstream Fits for Chevy Silverado 1500 2014-2017, Suburban Tahoe 2015-2018, for GMC Sierra 1500 2014-2017, Yukon 2015-2018, Replace 234-4940, 234-4974

Application: Oxygen Sensor Upstream Downstream Fits for Chevy Silverado 1500 4.3L 5.3L 6.2L 2014-2017, for Chevy Suburban 5.3L 2015-2018, for Chevy Tahoe 5.3L 2015-2018, for GMC Sierra 1500 4.3L 5.3L 6.2L 2014, for GMC Yukon XL 5.3L 6.2L 2015-2018

Replacement Part No: Oxygen Sensor Upstream Downstream Replace 234-4940 , 12666612 , 21581 , F00HL00421 , 18187 , 12657188 , 234-4974 , 12655678 , 21075 , 12661898 , 12643708 , F00HL00410 , 18054. Before purchasing an O2 sensor, please carefully check your vehicle's year, brand and model, image, 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 vehicle's 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