What is the difference between car or engine coolant, to often sold radiator coolant? like Abro radiator coolant
Because most cars comes with drop ports for engine coolant, why ain't they labeled radiator coolant?

indigene:
What is the difference between car or engine coolant, to often sold radiator coolant?.
Because most cars comes with drop ports for engine coolant, why ain't the labeled radiator coolant?

Because its main job is to cool the engine, not to cool the radiator. As a matter of fact the radiator is meant to cool the hot coolant that comes out of the engine when the thermostat opens while cooled coolant from the radiator goes into the engine to cool the engine.