For Cadillac 2013-2016 Car Lambda Sensing Unit 0xygen Sensor 02 12645561

Compatibility：For Cadillac 2013 2014 2015 2016 Features: This oxygen sensor utilises a high-temperature-resistant ceramic substrate with superior thermal stability; it is resistant to deformation and cracking in high-temperature environments, thereby maintaining the structural integrity and detection accuracy of the sensing part. Function: The oxygen sensor also plays a role under high-load conditions, such as when the vehicle is Ascending a hill, helping to adjust the fuel-air mixture concentration to balance power output with combustion efficiency and emissions control. Please note: Before purchasing, please check that the make, model, year and engine type of your vehicle match those listed, to avoid installation failures due to incompatible specifications. After-sales service: Should you encounter any issues whilst using the product, please let us know and we will provide a solution without delay.