Murray Plus thermostats feature high-grade dual bridge stainless steel construction for enhanced durability, along with a copper casing, wax compound, and air relief valve to minimize temperature change response times. The Murray Plus thermostat line offers the broadest vehicle coverage, and application-specific part numbers for guaranteed OEM fitment. All thermostats are engineered and tested to meet or exceed OE quality and performance standards, and include the necessary gasket or seal for a full repair.