Motorad MRD106 Engine Coolant Thermostat

Racing Thermostat Overview

The Motorad MRD106 Racing Thermostat is built for high-performance cooling control in Ford and Lincoln applications. It opens at 160°F and uses an OEM-style design to support consistent coolant flow under demanding street or track conditions.

Key Features

• 160°F start-to-open temperature for lower operating temperatures.
• OEM design and OEM grade construction for direct-fit cooling service.
• Copper, steel, and brass construction for durable thermal response.
• Jiggle pin weep hole helps purge trapped air during filling and service.
• Requires a separate gasket or seal for installation.

Detailed Description

Motorad MRD106 is a standard engine coolant thermostat from the Racing Thermostat line, engineered for performance-focused cooling systems. It is listed for a wide range of Ford and Lincoln models, including the Ford Bronco, Ford F-150, Ford Mustang, Ford Explorer, and Lincoln Aviator, with fitment notes calling out a 160°F racing thermostat application. The OEM-style construction, brass color finish, and metal body materials support stable operation in high-pressure, high-horsepower use cases. This part number, MRD106, is a direct replacement thermostat for applications that call for this specific temperature rating and housing style.

This part cross-references Motorad MRD106 for the same application.

What It Is Used For

• Correcting overheating caused by a thermostat that opens too late or sticks.
• Restoring proper coolant circulation in performance cooling systems.
• Maintaining a lower operating temperature target for racing or spirited driving.
• Addressing temperature instability from worn internal thermostat components.

Installation Notes and Tips

Verify the 160°F temperature specification and match the thermostat to the listed Ford or Lincoln application before installation. A separate gasket or seal is required, and no installation tool is included. Clean the sealing surfaces thoroughly and inspect the housing for corrosion or damage before reassembly.

Quality Assurance

Motorad states that this thermostat is manufactured by a leading OE thermostat supplier and built for demanding performance use. The MRD106 is engineered to meet the pressure and heat requirements associated with high-output cooling systems.