Use of a non factory temp rated thermostat can cause a check engine light.
no
YesYes
factory thermostat should be a 180 degree stat.
Yes its on the lower radiator hose on the driver side
Under the housing where the upper radiator hose hooks to the engine.
195 degree
Follow the upper radiator hose to the engine. It is under the housing the hose hooks to.
Yes, it is under the housing where the lower radiator hose hooks to the engine.
Dodge Magnum was created in 1978.
It is at the end of the lower radiator hose on the motor. You will have to empty the radiator and remove the housing to replace it.
It should be as they are both the same platform.
DOT-3