Motorad 1324-180 Engine Coolant Thermostat Housing Assembly - Lower

Integrated thermostat housing assembly

Motorad 1324-180 is an engine coolant thermostat housing assembly built for Mercedes-Benz cooling systems that use an integrated housing design. It combines OEM-quality materials with a mechanical disk valve and a pre-installed O-ring seal for a direct replacement service part.

Key features

• Standard replacement thermostat housing assembly for cooling system service
• Metal and plastic construction with silver and black finish
• Mechanical actuator with disk valve for coolant flow control
• Starts to open at 180°F for temperature regulation
• Gasket or seal included and pre-installed
• Fits applications that require an integrated housing thermostat design

Detailed description

This Motorad thermostat housing assembly is engineered to match OEM specifications and processes, using materials selected for demanding cooling system conditions. The copper case and wax compound provide quick response to coolant temperature changes, while the integrated housing format supports service on Mercedes-Benz models such as the G550, AMG GT, and C63 AMG. Part number 1324-180 is a direct-fit cooling system replacement for applications listed with lower or non-positioned thermostat housing locations.

Motorad’s Integrated Housing Thermostat line focuses on replacement assemblies that combine the thermostat and housing into one serviceable unit. For buyers searching for a Mercedes-Benz thermostat housing assembly, integrated coolant thermostat housing, or engine coolant thermostat housing replacement, this line offers an OE-style solution built around factory-style materials and operating characteristics. Part number 1324-180 is also referenced by cross numbers 180-4231 and 1772000000 for the same application.

What it is used for

• Correcting coolant temperature control issues
• Replacing a cracked or leaking thermostat housing
• Restoring proper thermostat opening response
• Addressing seal-related coolant loss at the housing
• Servicing integrated thermostat assemblies on Mercedes-Benz cooling systems

Installation notes and tips

Verify the vehicle’s thermostat housing style, connector count, port layout, and listed fitment before installation. This assembly uses a blade terminal type, a gasket or seal is required and included, and mounting hardware is not included. Confirm the application against the vehicle’s cooling system configuration for Mercedes-Benz G550, AMG GT, or C63 AMG models before replacing the original unit.

Quality assurance

Motorad manufactures this part with OEM-quality materials and safety standards as an OE supplier. It is produced to OEM specifications and processes for standard replacement service in demanding cooling systems.