Copper is a good conductor of electricity and is cheap. Wires for wiper motors, lights and power seat motors etc. are all made of copper.
The car engine radiator.
Aluminum is a light metal and certain car parts need to weigh less in order to function properly.
Most of the wiring is copper, not much else.
The radiator is made of copper because copper transfers heat very well.
Certain car parts can be made by running molten metal into a mould formed in special sand. This process is were the term caste iron comes from.
Cost. Cast iron is relatively cheap compared to other metals.
Many parts of a car are made of steel due to its strength and durability. Key components include the car's frame, body panels, and structural reinforcements. Additionally, various engine components, such as the crankshaft and transmission housing, are often made of steel. Steel is also commonly used in suspension parts, brakes, and certain fasteners.
most car radiators are copper or aluminum and plastic.
In the past (quite a long time ago!) most car manufacturers actually made all the parts that went into the car, so they bought metal, plastic, wood, etc, and then made parts out of these materials, then made a car with the parts they had made. These days most car companies buy parts made by other companies, and then "assemble" the parts into a car. So they no longer "manufacture" a car, they "assemble" it.
Copper surrounded by a plastic insulator.
nissan maximas for certain parts
Nearly All American car parts are made in China, especially Ford.