Materials Used for Car Radiators

What are the materials used for car radiators?

  1. Aluminum
  2. Brass-copper
  3. Plastic Aluminum

Car radiators are an essential component of any vehicle’s cooling system. They help regulate the engine temperature by removing heat generated by the engine and transmitting it to the air outside the vehicle. Radiators are made from a variety of materials, each with its own set of characteristics. This blog will discuss materials used for car radiators to understand more about how your car radiator can resist intense temperature stresses and pressure. Keep reading to learn more!



Car radiators are most frequently made of aluminum. Not only is this material corrosion-resistant, but it is also able to mold into different forms. 

This material provides better cooling to radiators since they transfer heat more effectively compared to traditional copper or brass models. This improved heat transfer helps to cool the engine more efficiently, reducing the risk of overheating. 

Aluminum radiators are also durable and lightweight. They are lighter compared to their more-traditional counterparts. This helps reduce the overall weight of your car, resulting in improved fuel efficiency and better performance. The materials also make it less likely to develop leaks and corrode. 

Aluminum radiators offer a modern and stylish appearance that can enhance the look of the engine bay. With a variety of colors and finishes available, vehicle owners can opt for a customized look that complements their ride.

In addition, aluminum radiators are an eco-friendly option, as they are made from recyclable materials. After their useful life, they can be taken to a recycling center and transformed into new products, reducing their impact on the environment.


From the advent of automobiles until the 1970s, all cars and trucks were equipped with radiators made of copper and brass. 

Copper and brass radiators are two materials known to be resistant to corrosion and rust. This means that it would less likely develop leaks or fail because of rust build-up.  

Between copper and brass, copper is an effective conductor of heat. Using this material for a radiator allows it to transfer heat away from the engine effectively. On the other hand, brass is not as good at conducting heat, but it is still very effective in transferring heat. The combination of the two metals helps keep the engine cool to reduce the risk of overheating. 

Brass-copper radiators are also very easy to repair. They can be brazed or soldered when leaks develop, meaning that minor issues with the radiator can be fixed without having to replace the entire unit.

When it comes to its longevity, this radiator material has a long lifespan. With proper care and maintenance, car owners will not need to replace their units for many news. This also makes them a cost-effective choice since it is less expensive compared to other radiator materials. 

Plastic Aluminum

Plastic Aluminum

Roberts AIPMC offers its customers a great material for radiators — plastic aluminum! 

Plastic aluminum radiators offer car owners a lightweight and low-maintenance option for their radiator. Compare to other radiator materials, this material is considerably light. This reduces the weight of the overall vehicle. 

The plastic component of the radiator makes it less prone to corrosion. This ensures car owners that their radiator has a longer life span compared to all-metal radiators. On the other hand, the aluminum component of the radiator provides it with excellent heat transfer capabilities, making it more efficient than all-plastic radiators. 

This radiator also requires minimal maintenance since they are less prone to leaking and rusting, making this a cost-effective choice for car owners. 

Your car’s copper or brass radiator can be replaced with a plastic aluminum radiator that is recyclable and safe for the environment. After many years, if your plastic aluminum radiator needs to be replaced, you can take it to a recycling facility to be melted down for scrap. The fact that it is also cheaper than other materials makes it the greatest choice!

Key Takeaway

Now that you know the materials used for car radiators, you can make an informed decision as to what you can use for your car. Car owners can select a radiator that will deliver dependable performance and support the maintenance of their engine by considering these factors. The material’s longevity, corrosion resistance, heat transmission capabilities, and cost should all be considered when selecting a radiator. 

Roberts, the market leader in the automotive metal business, started producing car radiators in 1993. Years of experience and a focus on quality control have made us the go-to source for aluminum radiators for sale in the Philippines and OEM auto parts in the Philippines.

Purchase a high-quality plastic aluminum radiator for your vehicle and contact us today!