What is the function of a car radiator?

A car radiator is a component of the cooling system that is responsible for heat exchange between the coolant and the air flowing through the radiator fins.

What is the difference between a water cooler and an oil cooler?

The water radiator cools the engine through coolant, while the oil cooler lowers the temperature of the engine oil or gearbox. Both components operate independently, but together they ensure optimal vehicle performance.

What are the typical parameters of a water radiator in a passenger car?

The most common radiators are 500 to 700 mm long, 300 to 450 mm high, and 25–40 mm thick. The cooling system capacity in passenger cars is typically between 6 and 12 liters.

Are used car radiators safe to use?

Yes, provided they come from trusted sources and have passed leak tests. Global Parts only offers verified water coolers that ensure reliable operation.

How do I check the compatibility of a radiator with my car?

The best way is to verify the vehicle's OEM number or VIN. This allows you to select a water cooler that is 100% compatible with factory specifications.

How much does a used car radiator cost?

Prices depend on the make and model of the car – average used water coolers for popular BMW, Audi or Volkswagen models range from PLN 150 to PLN 400.

What are the most common symptoms of a damaged water cooler?

The most common include: coolant leakage, engine overheating, rust or deposits in the reservoirs, and uneven fan operation.

Water coolers

At the Global Parts automotive store, we offer a wide selection of original used car parts, including water coolers for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Our water coolers undergo quality control to ensure you receive a top-quality product.

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Original radiators for popular car brands

Car radiators for BMW, Audi, Mercedes and others – proven cooling system parts

Water coolers are one of the most important components of the cooling system, responsible for removing excess heat from the engine, ensuring its efficient and safe operation. Thanks to the water cooler, the coolant releases heat to the surrounding environment, preventing the engine from overheating even in extreme conditions. At the Global Parts automotive store, you'll find a wide selection of used car parts. , including water coolers, ideal for BMW , Audi , Mercedes , Volkswagen , Mini and others .

What functions do water coolers perform?

Water coolers play a key role in the cooling system: Heat removal – The water radiator extracts heat from the coolant circulating through the engine and releases it to the environment. Ensuring optimal temperature – Maintains proper engine operating temperature, preventing overheating and mechanical failures. Works with other cooling system components – Works in conjunction with the water pump, thermostat and fan to provide effective temperature control. Efficient water coolers are essential for engine performance and durability.

Construction and parameters of car radiators

Car radiators typically consist of a core (made of aluminum or copper), side tanks, and hose connections. A standard water radiator for passenger cars has a heat exchange surface area of 0.4 to 0.8 m² and a coolant flow rate of 50–100 liters per minute. Higher-performance models are used in sports cars and trucks, capable of dissipating up to 30–40% more heat. Therefore, choosing the right radiator is directly related to the engine parameters and vehicle operating characteristics.

Why is it worth taking care of water coolers ?

Damaged or malfunctioning water coolers can lead to serious cooling system problems. Typical symptoms include: Engine Overheating – Insufficient heat transfer in the radiator can lead to an increase in engine temperature. Coolant Leak – Cracks or corrosion in the radiator can cause leaks, affecting cooling efficiency. Poor cooling system efficiency – Dirt and deposits in the radiator can restrict coolant flow. At Global Parts, we offer original used water coolers that have undergone extensive quality testing, ensuring their durability and reliability.

Table: symptoms of a faulty water cooler

Symptom	Possible cause	Solution
Engine temperature increase	Clogged flow channels	Cleaning or replacing the radiator
Fluid level drop	Leak, tank rupture	Replacing the seals or the entire radiator
Uneven fan operation	Damaged temperature sensor	Sensor replacement / diagnostics
Rust or sediment in the system	Using the wrong fluid	Fluid replacement, system flushing

How to choose the right water coolers ?

When choosing water coolers, there are several key aspects to pay attention to: Vehicle-specific fit – Every cooling system has its own specific technical requirements. At Global Parts, you'll find water coolers perfectly suited to BMW , Audi , Mercedes , Volkswagen , Mini , and more . Technical condition – Used water coolers should be free from damage such as cracks, leaks or excessive corrosion. Radiator type – Depending on the vehicle model, you may need a standard radiator or a radiator with increased performance, e.g. for sports cars.

Cooler Compatibility and Fit

Water coolers differ not only in dimensions but also in port layout, mounting type, and core design. Therefore, OEM designations or VIN numbers are most often used when selecting parts, ensuring full compatibility with the cooling system of a specific vehicle model. For example, radiators for the BMW 3 Series (E46) have different connections than those for the Audi A4 B6, even though both models use 1.8 petrol engines. This ensures the user that the radiator will fit without modifications and ensures correct installation.

Why choose used water coolers ?

Used car parts , such as water coolers, are a practical solution that allows you to save money while maintaining high quality. By choosing used water coolers, you gain: Lower costs – Used radiators are much cheaper than new ones, but offer equally high quality. Ecology – Recycling car parts supports environmental protection and reduces waste. A wide range – In our store you will find water coolers for the most popular car brands.

How to take care of water coolers ?

To ensure that water coolers function reliably for a long time, it is worth following a few rules: Regularly check the condition of the radiator for signs of corrosion, leaks or mechanical damage. Keep your cooling system clean by using coolants with appropriate anti-corrosion properties. Check the coolant level and top it up as needed to prevent the engine from overheating. If you need a replacement, you'll find the right used car parts at Global Parts that will restore full functionality of your cooling system.

FAQ - Frequently asked questions about car radiators

Question	Answer
What is the function of a car radiator?	A car radiator is a component of the cooling system that is responsible for heat exchange between the coolant and the air flowing through the radiator fins.
What is the difference between a water cooler and an oil cooler?	The water radiator cools the engine through coolant, while the oil cooler lowers the temperature of the engine oil or gearbox. Both components operate independently, but together they ensure optimal vehicle performance.
What are the typical parameters of a water radiator in a passenger car?	The most common radiators are 500 to 700 mm long, 300 to 450 mm high, and 25–40 mm thick. The cooling system capacity in passenger cars is typically between 6 and 12 liters.
Are used car radiators safe to use?	Yes, provided they come from trusted sources and have passed leak tests. Global Parts only offers verified water coolers that ensure reliable operation.
How do I check the compatibility of a radiator with my car?	The best way is to verify the vehicle's OEM number or VIN. This allows you to select a water cooler that is 100% compatible with factory specifications.
How much does a used car radiator cost?	Prices depend on the make and model of the car – average used water coolers for popular BMW, Audi or Volkswagen models range from PLN 150 to PLN 400.
What are the most common symptoms of a damaged water cooler?	The most common include: coolant leakage, engine overheating, rust or deposits in the reservoirs, and uneven fan operation.

Summary: Water coolers at the Global Parts automotive store

Water radiators are key components of the cooling system, ensuring efficient heat dissipation and optimal engine operating temperatures. By maintaining their technical condition, you can avoid overheating and costly repairs. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , and more, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .

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