Motorad 323-192 Engine Coolant Thermostat

Engine Coolant Thermostat for OE-Style Cooling Control

The Motorad Standard 323-192 engine coolant thermostat is built for precise temperature control in demanding cooling systems. With a 192°F opening temperature, copper case construction, and wax compound response, it supports stable coolant flow for select Kia and Mazda applications.

Compatible With 1986-2003 Kia and Mazda applications, this thermostat is a direct-fit OE-style replacement for vehicles such as the Kia Rio, Kia Sephia, Mazda B2600, Mazda 626, and Mazda MX-6. The Motorad 323-192 is built to OEM specifications and processes for consistent thermal performance.

Key Features

• 192°F thermostat opening temperature
• Copper case and wax compound for quick reaction to coolant temperature changes
• Offset design for application-specific fitment
• Air relief valve included where applicable
• Jiggle pin weep hole for improved air bleeding during service
• OEM-style seals included where applicable
• Sealing flange outside diameter: 2.05 in
• Flange thickness: 0.05 in

Product Line Details

Motorad Standard focuses on OE-style replacement cooling components built to factory specifications. The 323-192 follows that approach with OEM-quality materials and manufacturing processes for dependable thermostat operation in everyday service and higher-demand cooling conditions.

Detailed Description

This engine coolant thermostat regulates coolant flow based on temperature, helping the engine reach and maintain its operating range. The 192°F calibration makes it a higher alternate temperature replacement for select Kia Rio and Kia Sephia models, as well as Mazda B2600, Mazda 626, and Mazda MX-6 applications listed in the fitment data. Motorad part number 323-192 is engineered as an OE supplier-style replacement with a copper case and wax element for responsive temperature control.

This part cross-references Monroe Shocks & Struts 32392 for the same application.

What It Helps Address

• Coolant temperature that stays too low during normal driving
• Delayed engine warm-up after cold starts
• Erratic temperature control in the cooling system
• Thermostat replacement during cooling system service
• OE-style replacement needs for select Kia Rio, Kia Sephia, Mazda B2600, Mazda 626, and Mazda MX-6 vehicles

Installation Notes and Tips

• Verify the thermostat temperature rating and housing style before installation.
• Inspect the sealing surface and replace worn coolant system components as needed.
• Use the jiggle pin weep hole and air relief features to help purge trapped air during refill.
• Follow the vehicle service procedure for coolant bleeding and final temperature verification.
• Confirm fitment by year, make, and model before ordering the Motorad 323-192.

Quality Assurance

Manufactured to OEM quality materials and safety standards by an OE supplier, this thermostat is built to meet OEM specifications and processes for consistent cooling-system performance.