Motorad 440-180 Engine Coolant Thermostat Housing Assembly

Integrated Housing Thermostat for Range Rover

Motorad 440-180 is an engine coolant thermostat housing assembly built for OE-style cooling system service. It combines a 180 degree thermostat with an integrated housing for a direct replacement on select Land Rover Range Rover applications, including 1995-2002 Range Rover models.

The Integrated Housing Thermostat line from Motorad focuses on thermostat and housing assemblies that follow OEM specifications and processes. This design uses a copper case and wax compound for quick reaction to coolant temperature changes, along with an offset layout and air relief valve where applicable.

• Engine coolant thermostat housing assembly
• 180 degree opening temperature
• Integrated housing design for select Range Rover cooling systems
• Plastic, stainless steel, and copper construction
• 2 bolt holes
• 4 outlet ports
• No bleeder hole
• No gasket or seal included
• No hardware included

Detailed Product Overview

Motorad part number 440-180 is engineered for 1995-2002 Land Rover Range Rover vehicles that use a thermostat and housing assembly with an OE specified 180F opening temperature. The housing is built to match OEM materials and manufacturing processes, helping maintain proper coolant flow control in demanding engine cooling systems. With its integrated design and multiple outlet diameters, this thermostat housing assembly supports accurate temperature regulation and a clean replacement for worn or damaged original components.

This part cross-references Dorman - OE Solutions 902-5166 for the same application.

What This Part Helps Address

• Engine running too cool or too hot due to thermostat wear
• Coolant temperature fluctuation during normal driving
• Cracked or aging thermostat housing on a Range Rover cooling system
• Restricted coolant flow caused by a sticking thermostat
• Leaks at the thermostat housing interface when the original unit is deteriorated

Installation Notes and Tips

Verify the 180 degree temperature specification and outlet port layout before installation. Because no gasket, seal, or hardware is included, reuse should not be assumed; inspect all sealing surfaces, hoses, and mounting points before assembly. Confirm fitment for 1995-2002 Land Rover Range Rover applications and compare the original housing configuration, bolt hole count, and outlet diameters to the replacement part.

Quality Assurance

Motorad manufactures this thermostat housing assembly with OEM quality materials and OE supplier standards. The part is produced to OEM specifications and processes for consistent cooling system performance in the specified Range Rover applications.