1. Interchange Numbers: This oxygen sensor is compatible with the following interchange numbers: 234-4528, 250-24612, 25727, 0258986736, LS86736, ES20011, 55562206, 55572215. Please use the 'amazonconfirmedfit' feature to verify compatibility. Always compare the actual product with the provided images to ensure you have selected the correct part. 2. Applicable Models: The 2344528 downstream oxygen sensor is designed for various Chevrolet, Buick, Cadillac, and Pontiac models, including: - Chevrolet Cruze (1.4L, 1.8L) 2011-2015, Cruze Limited 2016 - Chevrolet Sonic (1.4L, 1.8L) 2012-2020 - Chevrolet Trax (1.4L) 2013-2021 - Buick Encore (1.4L) 2013-2021 - Cadillac SRX (2.8L) 2010-2011, CTS (3.2L) 2003-2004 - Pontiac G8 (3.6L) 2008-2009 - Saturn Vue (3.0L) 2002-2003 - Saab 9-3 (2.8L) 2006-2009, 9-4X (2.8L) 2011, 9-5 (2.8L) 2010-2011 3. High Performance: Our oxygen sensors are manufactured to meet strict original equipment (OE) standards. They offer rapid warm-up times, quick temperature stabilization, reduced emissions, and improved fuel efficiency, ensuring your vehicle operates at peak performance. 4. Easy Installation: Featuring a universal compatibility design, this oxygen sensor allows for a straightforward plug-and-play installation. It fits directly into factory-spec ports. For additional assistance, we recommend searching for installation videos online. This oxygen sensor is an essential replacement for maintaining vehicle efficiency, reducing emissions, and ensuring optimal engine performance.