4PCS Oxygen Sensor Fit for 2012-2017 Chevy Colorado Traverse, GMC Canyon Acadia, Buick Enclave, Cadillac XTS 3.6L O2 Sensors Upstream & Downstream 234-4565 & 234-4566 【Vehicle Compatibility】 Compatible with Chevy Caprice 2012-2016 3.6L, Chevy Colorado 2015-2016 3.6L, Chevy Impala 2014-2018 3.6L, Chevy Traverse 2012-2017 3.6L, GMC Acadia 2012-2016 3.6L, GMC Canyon 2015-2016 3.6L, Buick Enclave 2012-2017 3.6L, and Cadillac XTS 2013-2018 3.6L. Ensures a seamless replacement for accurate engine performance 【Direct OE Replacement】 Designed as a direct swap for OE part numbers 234-4565, 234-4566, 250-24773, 350-34003, 234-4259, 234-4818, 234-4840, 16746, ES20113, SG1585, 21545. Manufactured with precision for optimal compatibility and reliability 【Reliable Construction】 Each oxygen sensor features a robust stainless steel shell, high-temperature rubber seals, and precision Teflon-coated insulated wires, ensuring reliable and long-lasting performance even under harsh conditions. 【Easy Installation】 Designed for quick and easy installation with no modifications required. The O2 sensors come with pre-coated threads, making the installation process hassle-free and secure, directly replacing the old sensors. 【Complete Set】 This package includes 4 oxygen sensors: 2 upstream (Bank 1 & Bank 2) and 2 downstream (Bank 1 & Bank 2), providing a complete replacement for your vehicle's and restoring full oxygen sensor functionality.