Genuine OEM Land Rover Thermostat Housing, part number LR004318. This essential component encloses the engine's thermostat, playing a crucial role in regulating coolant flow and maintaining optimal engine operating temperature. It is positioned within the engine cooling system, connecting various coolant hoses. Constructed from durable plastic, it weighs 1.31 kg. Using a genuine OEM thermostat housing ensures precise fitment, correct sensor mounting points, and resistance to thermal cycling and coolant chemicals, preventing leaks and maintaining cooling system integrity.