Header Tanks

Header Tanks: Explained

When it comes to enhancing the performance of your vehicle, every component matters. One such crucial part is the header tank, also known as the expansion tank, which plays a vital role in your car's cooling system. This page is dedicated to providing you with comprehensive information about header tanks, their importance, and how they can improve your vehicle's performance.

What is a Header Tank?

A header tank is a component of your vehicle's cooling system. It's designed to hold coolant that's been expelled from the radiator when the engine heats up. As the engine cools down, the coolant is sucked back into the system. This process helps maintain the optimal operating temperature of your engine, preventing overheating and ensuring smooth performance.

Why is a Header Tank Important?

The importance of a header tank cannot be overstated. Here are some key reasons why:

  • Prevents Overheating: By managing the coolant's flow, a header tank prevents your engine from overheating, which can lead to severe damage.
  • Improves Performance: A well-functioning header tank ensures your engine operates at the optimal temperature, enhancing its performance and efficiency.
  • Increases Lifespan: By preventing overheating, a header tank can significantly increase the lifespan of your engine.

Choosing the Right Header Tank

When it comes to choosing a header tank for your vehicle, there are several factors to consider:

  • Material: Header tanks are typically made from plastic or metal. While plastic tanks are more common and affordable, metal tanks, particularly those made from aluminium, are more durable and efficient at dissipating heat.
  • Size: The size of the header tank should be compatible with your vehicle's cooling system. A tank that's too small may not hold enough coolant, while a tank that's too large may take up unnecessary space.
  • Design: Some header tanks come with a built-in level indicator, which makes it easy to check the coolant level. Others may have a sleek design that enhances the aesthetic appeal of your engine bay.

Installing a Header Tank

Installing a header tank is a relatively straightforward process that can be done with basic tools. However, if you're not comfortable doing it yourself, it's recommended to have it installed by a professional to ensure proper fit and function.

Header Tanks at Compare.Parts

At Compare.Parts, we offer a wide range of high-quality header tanks from top manufacturers. Whether you're looking for a basic replacement or a high-performance upgrade, we have the right header tank for your needs. Browse our selection today and enhance your vehicle's performance with a new header tank.


Investing in a high-quality header tank is a small step that can make a big difference in your vehicle's performance. By ensuring your engine operates at the optimal temperature, a header tank can prevent overheating, improve efficiency, and extend the lifespan of your engine. So why wait? Explore our range of header tanks today and take your vehicle's performance to the next level.





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