Genuine OEM Jaguar Engine Coolant Thermostat Housing, part number EBC10345. This critical component is responsible for housing the engine's thermostat and precisely directing the flow of engine coolant, which is essential for maintaining optimal engine operating temperatures. It is an integral part of the engine cooling system. Typically constructed from durable cast metal or high-grade plastic, it is designed to withstand high temperatures and pressures. Using a genuine OEM thermostat housing ensures proper sealing, accurate coolant routing, and reliable temperature control, preventing engine overheating or undercooling.