Motorad 514-185 Engine Coolant Thermostat Housing Assembly

Integrated Thermostat Housing for OE Cooling Control

Motorad 514-185 is an integrated engine coolant thermostat housing assembly built for OE-style cooling system service. It combines the thermostat, housing, and seal in one replacement unit for select Ford, Lincoln, and Mazda applications, including Focus, Fusion, Escape, Taurus, Explorer, MKZ, and MX-5 models.

With a 180°F opening temperature, this Motorad Integrated Housing Thermostat is specified for vehicles that need consistent coolant flow control and a direct-fit housing design. The black housing uses plastic, stainless steel, and copper construction with a rubber seal for a service-ready replacement.

Key Features

• Part number: 514-185
• Integrated engine coolant thermostat housing assembly
• 180°F start-to-open temperature
• 3 bolt holes and 2 outlet ports
• Rubber gasket/seal included
• Black housing with plastic, stainless steel, and copper materials
• Offset design with air relief valve and OEM-style seals where applicable
• OE supplier manufacturing standards and OEM specifications

Product Details

Motorad’s Integrated Housing Thermostat line focuses on direct replacement cooling components built to OE specifications and processes. This 514-185 assembly uses a copper case and wax compound for quick response to coolant temperature changes, helping maintain stable engine operating temperature in daily driving and demanding cooling conditions. It is a fitment-based replacement for many Ford Focus, Ford Fusion, Ford Escape, Ford Taurus, Ford Explorer, Lincoln MKZ, Lincoln MKT, Lincoln MKC, Mazda MX-5 Miata, and Mazda 3 applications. This part cross-references Gates 51485 and Dorman OE Solutions 902-682 for the same application.

Common Cooling System Issues It Can Address

• Engine running cooler or warmer than specified
• Thermostat housing seepage at the seal surface
• Delayed coolant circulation after cold start
• Temperature fluctuation from a worn thermostat assembly
• Service replacement for cracked or aging plastic housing

Installation Notes

• Verify the 180°F temperature specification before installation.
• Inspect mating surfaces and coolant passages for residue or damage.
• Replace coolant as needed during thermostat housing service.
• Confirm outlet port orientation and bolt-hole alignment before tightening.
• Use the vehicle’s OE service procedure for torque and bleed steps.

Quality Assurance

Motorad manufactures this thermostat housing assembly to OEM quality materials and safety standards as an OE supplier. The design follows OEM specifications and includes the seal needed for installation on listed applications.