There are several synonyms for the term "car radiator part" that can be helpful in understanding the various components of a vehicle's cooling system. These include terms like radiator core, cooling fan, thermostat, water pump, and coolant reservoir. The radiator core serves as the primary heat exchanger and is typically made of metal tubing and fins that help distribute heat away from the engine. A cooling fan helps move air over the radiator, while a thermostat regulates the flow of coolant into the system. The water pump helps circulate coolant through the system, while the coolant reservoir is designed to hold excess fluid. Knowing these synonyms can be helpful in troubleshooting cooling system issues or selecting replacement parts.