Motorad 218-180 Engine Coolant Thermostat

Motorad 218-180 Engine Coolant Thermostat

Motorad 218-180 is a standard engine coolant thermostat built for precise temperature control in classic Chrysler cooling systems. It opens at 180°F and includes an O-ring seal for a secure installation on supported applications, including Chrysler Newport, Town & Country, 300, Imperial, and New Yorker models.

Key Features

• 180°F start-to-open temperature for consistent coolant regulation
• Standard thermostat design for OE-style replacement service
• Copper case and wax compound for quick response to coolant temperature changes
• Offset design with air relief valve where applicable
• Includes one rubber O-ring seal
• Sealing flange outside diameter: 2.12 in.
• Height between flanges: 1.05 in.; overall height: 1.5 in.
• Flange thickness: 0.06 in.

Product Details

This Motorad Standard thermostat is manufactured to OEM specifications and processes using OEM-quality materials. The copper case and wax element are selected to react quickly as coolant temperature changes, helping maintain stable engine operating temperature in demanding cooling systems. Motorad 218-180 is a direct-fit style thermostat for 180F thermostat with seal applications and is referenced across multiple aftermarket numbers, including Gates 18704 and 21880.

Compatible With Chrysler Newport, Chrysler Town & Country, Chrysler 300, Chrysler Imperial, and Chrysler New Yorker applications listed for 180F thermostat with seal service. Motorad 218-180 is also cross-referenced to Gates 18704 for the same application.

Common Issues This Thermostat Can Address

• Engine running too cool or taking too long to reach operating temperature
• Temperature swings caused by a worn thermostat element
• Coolant flow control problems in aging Chrysler cooling systems
• Seal leakage at the thermostat housing interface
• Delayed response to changing coolant temperatures

Installation Notes and Tips

Verify the thermostat housing style, seal type, and 180°F temperature specification before installation. Clean the housing mating surfaces thoroughly and replace the seal with the included rubber O-ring during assembly. Confirm correct orientation of the offset design and air relief feature where applicable to the vehicle application.

Quality Assurance

Motorad manufactures this thermostat as an OE-supplier product using OEM-quality materials and safety standards. It is built to OEM specifications for dependable service in cooling systems that require a 180°F standard thermostat.