In any vehicle the engine's cooling system keeps circling around again and again, while the vehicle is on the move. The thermostat, is a heat sensitive valve which closes and opens when the water and antifreeze solution needs to circulate through the vehicle; to help cool down the heated engine. This is an internal cooling system used by the vehicle to ensure that the engine does not heat up. The thermostat housing comes with a few components that helps it run smoothly, and effectively. The primary components used in a thermostat housing are two gaskets, that are used to prevent leaks, the housing itself that is required to cover it, the thermostat, and the engine block. The specifications of these thermostat housing vary on the engine of the vehicle, for instance, a truck or a vintage car might have a lower range of heat, whereas, newer vehicles offer a higher range of heat. The main task of this thermostat housing is to open the seal to let the coolant pass through, and then come back when it comes heated it opens again and seals it to allow it to cool safely.