The Genuine AC Delco Thermostat Assembly is a high-quality engine cooling component designed specifically for GM vehicles. With the part number 131-132 and GM 10183735, this thermostat assembly by ACDelco ensures optimal temperature regulation for reliable engine performance. Made with durable materials and precise engineering, this product guarantees efficiency and longevity for your vehicle's cooling system. Trust in the AC Delco brand for genuine parts that meet or exceed OE standards.