Motorad 604-208 Engine Coolant Thermostat Housing Assembly

Integrated Thermostat Housing Assembly

Motorad 604-208 is an integrated housing thermostat assembly built for OE-style cooling system service. It combines the thermostat, housing, sensor, and seal in one application-specific unit for select Ford and Mazda vehicles, including Ford Focus, Ford Ranger, Mazda B2300, and Ford EcoSport coverage.

The Motorad Integrated Housing Thermostat line focuses on OE specifications and materials for direct replacement service. This 604-208 assembly uses a copper case and wax compound for quick reaction to coolant temperature changes, along with an offset design, air relief valve, bleeder hole, and OEM-style sealing where applicable.

Key Features

• Integrated engine coolant thermostat housing assembly
• 208 Deg. F start-to-open temperature
• Bleeder hole and jiggle pin included
• Rubber gasket/seal included
• Black housing with plastic, stainless steel, and copper construction
• 3 bolt holes and 2 outlet ports
• Outlet diameters: 1.30 in and 0.74 in
• OE supplier manufacturing with OEM specifications and processes

Product Details

Motorad part number 604-208 is an engine coolant thermostat housing assembly for cooling systems that require a 208 Deg. F thermostat. The integrated design helps simplify replacement by combining the thermostat and housing into one service part, while the included seal supports proper reassembly. This part cross-references Stant 48672 for the same application.

Compatible With select 2001-2003 Ford Ranger, 2001 Ford F-100 Ranger, 2001-2003 Mazda B2300, 2005-2010 Ford Focus, 2011 Ford Focus, and 2011-2014 Ford EcoSport applications. Use 604-208 when servicing OE-specified cooling system layouts that call for an integrated housing thermostat with sensor and seal provisions.

Common Uses

• Replacing a thermostat housing with coolant leaks at the seal or housing interface
• Restoring proper engine operating temperature control
• Addressing temperature fluctuation caused by a worn thermostat element
• Repairing cooling system service points on Ford Focus, Ford Ranger, Mazda B2300, and Ford EcoSport models
• Replacing an OE-style integrated thermostat housing assembly during cooling system maintenance

Installation Notes

• Verify the 208 Deg. F temperature specification before installation.
• Confirm the 3-bolt housing pattern and 2 outlet port layout match the original part.
• Inspect mating surfaces and coolant passages before installing the included rubber seal.
• Bleed air from the cooling system after installation to help prevent trapped air pockets.
• Follow the vehicle service procedure for coolant refill and temperature verification.

Quality Assurance

Motorad manufactures this integrated housing thermostat with OEM-quality materials and OE supplier processes to meet factory-style cooling system requirements. The copper case and wax compound are selected for responsive temperature control in demanding automotive cooling applications.