Probably in a housing at the engine end of the upper radiator hose
Follow the top hose back to the thermostat housing.
It's inside of water outlet.
The 1995 Mitsubishi Eclipse is the second generation model. The US version had a Chrysler 420A engine, and the Europe version a Mitsubishi 4G63 engine.
The thermostat on a 1995 Mitsubishi Montero can be found by following the radiator hose. It is near where the hose enters the engine.
Possible causes for a 1995 Mitsubishi Eclipse to keep overheating could include a faulty thermostat, a clogged radiator, a leaking cooling system, a malfunctioning water pump, or a blown head gasket. It is recommended to have the cooling system inspected by a mechanic to determine the exact cause.
lower radiator hose
The second generation Mitsubishi Eclipse was put into production from 1995 to 1999. The convertible model called the Mitsubishi Eclipse Spyder was put into production in 1996.
Follow the upper radiator hose to the engine to find the thermostat cover.
Bad enine mounts
throttle body
No
Thermostat, or fan motor if it does not blow hard.