Motorad 766-203 Engine Coolant Thermostat Housing Assembly

Integrated Housing Thermostat for OE Cooling Control

Motorad 766-203 is an engine coolant thermostat housing assembly built for OE-specified cooling performance. It combines a thermostat and integrated housing in a black plastic, steel, and copper design for select Jaguar and Land Rover applications, including Jaguar XJ, Jaguar XF, Jaguar F-Type, Land Rover Range Rover, Range Rover Sport, Discovery, and LR4.

The Integrated Housing Thermostat line from Motorad focuses on OE-style fit and temperature control for modern cooling systems. This 203°F unit uses a copper case and wax compound to react quickly to coolant temperature changes, while the offset design and OEM-style sealing approach support proper system operation where applicable.

Key Features

• Engine coolant thermostat housing assembly with integrated housing
• OE specified 203°F temperature rating
• Material construction: plastic, steel, and copper
• Black finish
• Offset design for application-specific fitment
• OEM-style seals used where applicable
• One bolt hole and four outlet ports
• Outlet diameters: 1.59 in, 1.60 in, 1.50 in, and 0.83 in

Detailed Description

Motorad 766-203 is an integrated housing thermostat assembly engineered to match OE specifications and manufacturing processes. The copper case and wax compound are selected for fast response to coolant temperature changes, helping the cooling system maintain the correct operating range in demanding service conditions. This part cross-references Dorman - HELP 57660 and Dorman - OE Solutions 902-5186 for the same application.

Compatible With 2013-2016 Land Rover Range Rover, N/A; 2014-2016 Land Rover Range Rover Sport, N/A; 2014 Land Rover Discovery, N/A; 2014 Land Rover LR4, N/A; 2013-2015 Jaguar XF, N/A; 2013-2015 Jaguar XJ, N/A; 2014 Jaguar F-Type, N/A; and 2016 Jaguar XJ, N/A with the listed OE-specified temperature notes. Motorad 766-203 is a direct-fit cooling system service part for vehicles that require an integrated thermostat and housing assembly at 203°F.

Common Issues This Part Can Address

• Coolant temperature staying below or above the specified operating range
• Thermostat housing wear, cracking, or sealing concerns
• Slow thermostat response during temperature changes
• Cooling system service needs on OE-specified 203°F applications
• Replacement of an integrated thermostat and housing assembly on Jaguar and Land Rover models

Installation Notes and Tips

Verify the OE temperature specification and chassis or VIN notes before installation, especially on 2014 Jaguar F-Type and 2016 Jaguar XJ applications. This assembly does not include mounting hardware, a gasket or seal, a bleeder hole, or an installation tool. Confirm outlet port alignment and hose connection sizes before reassembly, and inspect the cooling system for contamination or damaged sealing surfaces during service.

Quality Assurance

Motorad manufactures this thermostat housing assembly with OEM quality materials and safety standards as an OE supplier. It is produced to OEM specifications and processes for use in demanding automotive cooling systems.