Thermostat with Air Relief Valve

Manufactured with OEM quality materials and safety standards, it meets or exceeds original equipment specifications. This thermostat features a durable copper case and wax compound that ensures a rapid and precise response to fluctuating coolant temperatures, promoting efficient engine performance and fuel economy. Constructed with high-grade stainless steel and copper, this thermostat is built to withstand demanding automotive cooling systems. It includes an offset design, an air relief valve, and OEM-style rubber seals where applicable, ensuring a proper and leak-free installation. The thermostat is 100% tested and calibrated to guarantee consistent and precise operation. This Duralast thermostat operates at a start-to-open temperature of 203°F (95°C) and is designed for a worry-free, direct-fit replacement. It requires a gasket or seal for proper installation, and the necessary seal is included. Note that an installation tool is not included with this thermostat.