Motorad TA2003 Engine Coolant Thermostat Housing Assembly

Thermostat Housing Assembly for GM Cooling Systems

Motorad TA2003 is an engine coolant thermostat housing assembly built to OE specifications for precise temperature control and dependable sealing. It is engineered for select Chevrolet Trax, Sonic, Cruze Limited, and Cruze applications that call for a 221°F thermostat.

The Motorad Thermostat Assembly line focuses on OE-style fit and function, using OEM-quality materials and manufacturing processes. For vehicles such as the Chevrolet Trax and Chevrolet Cruze, this assembly helps maintain stable coolant flow and consistent operating temperature in demanding cooling system conditions.

• Engine coolant thermostat housing assembly
• OE-spec 221°F thermostat temperature
• Black housing with plastic, stainless steel, copper, rubber, and paper construction
• Offset design with air relief valve where applicable
• Gasket included
• 4 mounting holes and 4 outlet ports
• Inside diameter: 0.81 in.
• Motorad TA2003 part number for direct reference

Detailed Product Overview

Motorad TA2003 is a thermostat housing assembly designed for cooling systems that require accurate temperature regulation and OE-style sealing. The copper case and wax compound support quick response to coolant temperature changes, while the included gasket helps maintain a secure seal at the housing interface. This part cross-references Dorman - OE Solutions 902-033 for the same application. It is a direct-fit style replacement for select Chevrolet Trax, Sonic, Cruze Limited, and Cruze models, including 2011-2018 Chevrolet Cruze and 2012-2018 Chevrolet Sonic applications that specify a 221°F thermostat. The Motorad TA2003 part number is also commonly used when searching for OE replacement thermostat housing assemblies for these GM vehicles.

Common Problems This Part Addresses

• Coolant temperature that stays too low or runs outside OE specification
• Thermostat housing leaks at the gasket or seal surface
• Delayed thermostat response during warm-up
• Cooling system service needs on Chevrolet Trax, Sonic, Cruze Limited, and Cruze
• Replacement of a worn or cracked plastic housing assembly

Installation Notes and Tips

Verify the OE-specified 221°F thermostat requirement before installation. Inspect the mating surfaces, coolant passages, and related sensors during service, and replace any damaged seals or worn components in the cooling circuit. Confirm fitment by year, make, and model before ordering, especially for Chevrolet Trax and Chevrolet Cruze applications. Motorad TA2003 is supplied with a gasket, while mounting hardware is not included.

Quality Assurance

Manufactured by an OE supplier using OEM-quality materials and processes, this thermostat housing assembly is built to meet the demands of modern automotive cooling systems. It is produced to OEM specifications for consistent fit, sealing, and temperature control.