Motorad 204-160 Engine Coolant Thermostat

Engine Cooling Thermostat for Mazda and More

Motorad Standard 204-160 is a 160 degree F engine coolant thermostat built for OE-style temperature control in a wide range of applications. It uses OEM-quality materials and manufacturing processes, with a copper case and wax compound for quick reaction to coolant temperature changes.

This thermostat is a direct-fit style replacement for many Mazda applications, including Mazda 3, CX-30, CX-50, CX-5, CX-9, 6, and MX-5 Miata coverage in the listed model years. Motorad 204-160 is also listed across several Chrysler, Dodge, Plymouth, Pontiac, Chevrolet, and other legacy applications.

Key Features

• 160 degree F thermostat calibration for controlled engine warm-up and cooling system regulation
• Copper case and wax compound for responsive temperature movement
• Manufactured to OEM specifications and processes
• Offset design with air relief valve included where applicable
• OEM-style seals included where applicable
• Standard Motorad line replacement for everyday cooling system service

Product Details

The Motorad Standard line focuses on OE-style fit and function for routine cooling system repair. Part number 204-160 is engineered to maintain stable coolant flow at the specified opening temperature, helping the engine reach and hold operating temperature as intended. For drivers searching for a Mazda 3 thermostat 160F, Mazda CX-5 coolant thermostat, or Motorad 204-160 replacement thermostat, this part provides a straightforward service solution backed by OE-supplier manufacturing standards.

This part cross-references Anchor 3386 and Eastern Catalytic 20460 for the same application.

What It Helps Address

• Engine running too cool or taking too long to warm up
• Temperature fluctuation caused by a worn thermostat
• Cooling system service on Mazda 3, CX-30, CX-5, CX-9, 6, and MX-5 Miata models
• Replacement of an aging thermostat during radiator or coolant maintenance
• Restoring proper coolant regulation in older Chrysler, Dodge, Plymouth, Chevrolet, and Pontiac applications

Installation Notes and Tips

Verify the thermostat temperature rating and housing style before installation. This part does not include a gasket or seal, and no installation tool is included. Inspect the mating surfaces, replace any worn seals or housing components as needed, and follow the vehicle service procedure for coolant refill and air bleeding.

Quality Assurance

Motorad manufactures this thermostat with OEM-quality materials and safety standards as an OE supplier. The copper case, wax compound, and OEM-spec production approach are intended to support consistent cooling system performance under demanding operating conditions.

Fits 2021-2023 Mazda 3, N/A. Fits 2022-2023 Mazda CX-30, N/A. Fits 2023 Mazda CX-50, N/A. Fits 2021-2023 Mazda CX-9, N/A. Fits 2022 Mazda CX-5, N/A. Fits 2021 Mazda 6, N/A. Fits 2021 Mazda MX-5 Miata, N/A.