The Lincoln Town Car coolant crossover thermostat housing is a bolt-on type housing designed specifically for a 4.6L engine in a 1997 model. It is manufactured by Lincoln and features the OE/OEM part number Rn00305. This thermostat housing is 4 inches in height and 4 inches in width, making it compatible with the engine cooling system requirements of the Lincoln Town Car. The housing does not require any drilling or modifications for installation, ensuring a hassle-free installation process for the user.