This OE thermostat assembly is a perfect fit for your 2011-2018 GM Chevy Sonic or Cruze with a 1.8L engine. The part number is 25192228 and the alternate part number is 55564890. This assembly is specifically designed for engine cooling components and falls under the category of Thermostats & Housings. The brand is Chevrolet, making it a reliable and high-quality part. Purchase with confidence knowing you are getting a top-notch product.