Motorad 539-192 Engine Coolant Thermostat Housing Assembly

Integrated Housing Thermostat for OE Cooling Control

The Motorad Integrated Housing Thermostat 539-192 is an engine coolant thermostat housing assembly built for precise temperature control in demanding cooling systems. It is a direct-fit style replacement for select Ford Thunderbird and Lincoln LS applications with a 192°F opening temperature.

Motorad’s Integrated Housing Thermostat line focuses on OE-style fit and function, combining the thermostat and housing in one assembly for service replacement on vehicles that use an integrated design. This 539-192 unit follows OEM specifications and processes for the listed applications.

Key Features

• Integrated housing thermostat assembly for engine coolant temperature regulation
• 192°F opening temperature and 192°F start-to-open temperature
• Bleeder hole and jiggle pin included for air management during service
• Black housing with plastic, stainless steel, and copper construction
• 3 bolt holes and 3 outlet ports
• Copper case and wax compound for responsive temperature changes in coolant flow
• Offset design with OEM-style sealing features where applicable

Detailed Description

This Motorad thermostat housing assembly is engineered for vehicles that require an integrated thermostat and housing design. The copper case and wax compound support quick reaction to coolant temperature changes, while the bleeder hole and jiggle pin help reduce trapped air during installation and refill. For drivers servicing a Ford Thunderbird or Lincoln LS, the 539-192 provides an OE-specification replacement option for the factory cooling layout.

This part cross-references Dorman - OE Solutions 902-783 for the same application.

What It Helps Address

• Coolant temperature that stays too low or rises above normal operating range
• Thermostat housing wear, cracking, or sealing issues
• Air pockets in the cooling system after service
• Delayed coolant flow control during warm-up
• Service replacement needs on integrated thermostat housing designs

Installation Notes and Tips

Verify the vehicle uses an integrated thermostat housing before installation. Clean the mating surfaces thoroughly and inspect the cooling system for contamination, hose condition, and proper coolant level before refilling. Because this assembly uses OEM-style sealing features where applicable, confirm the correct seal strategy for the application before assembly. This part is listed for 2003-2006 Lincoln LS and 2003-2005 Ford Thunderbird applications.

Quality Assurance

Manufactured by an OE supplier using OEM-quality materials and production processes, this thermostat housing assembly is built to meet the demands of modern automotive cooling systems. It is specified for 2003-2006 Lincoln LS and 2003-2005 Ford Thunderbird models with a 192°F thermostat setting.