The Whirlpool WP4-35940-001 Refrigerator Thermostat is a replacement temperature control component designed for select Whirlpool refrigerator models. It monitors and regulates the refrigerator temperature by controlling the cooling system as needed. This replacement thermostat is designed to replace a faulty or worn original component. Built to match original specifications, it provid... https://www.hnkparts.com/wp4-35940-001-whirlpool-thermostat