What is the main purpose of the cooling system?

This is a system of components responsible for maintaining the operating temperature of the drive unit within the optimal range.

How does a car radiator work?

The radiator extracts heat from the coolant and releases it to the environment, assisted by a fan and air flow.

What does a thermostat do in a cooling system?

The thermostat regulates the moment when coolant begins to circulate through the radiator, allowing the engine to reach operating temperature faster.

How do you know if your water pump is faulty?

Symptoms include fluid leaks around the timing belt, unusual operating noises, and increased engine temperature.

Are cooling parts the same for all car models?

No – even within a single brand, there are differences in parameters and construction. Therefore, it's worth matching the part by its VIN or catalog number.

What are the symptoms of a damaged engine temperature sensor?

These may be incorrect readings on the dashboard, a problem with starting the fan or error messages in the on-board computer.

Are used coolers safe?

Yes – provided they have been tested for leaks and are free of mechanical damage. At Global Parts, every part undergoes quality control.

Engine cooling

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

More information

Make

Category

Subcategory

Condition

In Stock

Price

Products in promotion

Part no. 1K0122109CD

Volkswagen VW Golf Mk6 Water Hose Coolant Pipe Line 1.4 TSI 1K0122109CD

Product currently unavailable

Part no. 03C121008E

Volkswagen VW Golf Mk5 Water Pump Coolant Unit Cooling 1.4 TSI Petrol 03C121008E

Product currently unavailable

Part no. 03L121011J-1

Volkswagen Transporter T5 2.0 TDi Engine CAAA Water Pump 03L121011J

Product currently unavailable

Part no. 1K0122063K

Seat Leon Volkswagen Golf Mk6 Audi A1 8X Water Coolant Pipe Hose Line 1K0122063K

Product currently unavailable

Part no. 5K0122157K

Volkswagen New Beetle Water Coolant Cooling Pipe Hose Line 2.0 TDI 5K0122157K

Product currently unavailable

Part no. 03L121111R

Volkswagen Golf Caddy 1.6 TDI CAY Water Coolant Thermostat Housing 03L121111R

Product currently unavailable

Part no. 076121064

VW Volkswagen Crafter 2E Water Coolant Pipe Hose Line Diesel Engine 076121064E

Product currently unavailable

Part no. 9068320223

Volkswagen Crafter 2E Engine Coolant Pipe Hose Cooling Line 9068320223

Product currently unavailable

Part no. 03L121151L

VW Volkswagen Sharan 7N Water Pipes Hoses Coolant Cooling Line 03L121151L

Product currently unavailable

Part no. 038121133A

VW Volkswagen New Beetle 1.9 TDI Coolant Thermostat Housing Flange 038121133A

Product currently unavailable

Part no. 5Q0121599AN

VW Volkswagen Beetle 5C Auxiliary Water Pump Coolant Cooling Unit 5Q0121599AN

Product currently unavailable

Part no. 03N906249E

VW Volkswagen Crafter SY Electric Auxiliary Additional Water Pump 03N906249E

Product currently unavailable

Part no. 7L6203491B

VW Volkswagen Touareg 7L Oil Fuel Cooler Cooling Radiator 7L6203491B

Product currently unavailable

Part no. 6R0121070M

VW Seat Skoda1.2 TDI CFWA Coolant Pipe Return Radiator Expansion Tank 6R0121070M

Product currently unavailable

Part no. 03C121050N

VW Volkswagen Golf Mk6 Heater Water Cooling Coolant Pipe Hose Line 03C121050N

Product currently unavailable

Part no. 1C0121157L

VW Volkswagen New Beetle 1.9 TDI BSW Coolant Water Hose Pipe Line 1C0121157L

Product currently unavailable

Part no. 5Q0121619D-2

Volkswagen Beetle 2.0 TDI Water Hose Coolant Radiator Pipe Line 5Q0121619D

Product currently unavailable

Part no. 028121145B

VW Volkswagen New Beetle 1.9 TDI BSW Heated Coolant Flange Glow Plug 028121145B

Product currently unavailable

Part no. 5Q0122058Q

Volkswagen Golf 5G Water Hose Cooling Coolant Pipe Line 5Q0122058Q

Product currently unavailable

Part no. 7H0122447K

Volkswagen VW Transporter Water Hose Radiator Coolant Pipe Line 7H0122447K

Product currently unavailable

Part no. 7L6122291F

VW Volkswagen Touareg Engine Radiator Coolant Hose Pipe Line Diesel 7L6122291F

Product currently unavailable

Part no. 7L6122447BB

VW Volkswagen Touareg 7L Water Pipe Hose Coolant Cooling Line 7L6122447BB

Product currently unavailable

Part no. 7L0121207F

Volkswagen VW Touareg 7L Engine Cooling Coolant Radiator Fan Shroud 7L0121207F

Product currently unavailable

Part no. 7N0122051F

Volkswagen Sharan 7N Water Pipes Hoses Coolant Cooling Line 7N0122051F

Product currently unavailable

Part no. 05E122447E

Volkswagen Golf CD1 Water Pipes Hoses Coolant Cooling Line 05E122447E

Product currently unavailable

Part no. 7L0121407

Volkswagen Touareg 2.5 TDI Expansion Coolant Tank Bootle Reservoir 7L0121407

Product currently unavailable

Part no. 05E122447F

VW Volkswagen Golf 8 1.5 eTSI DFYA Water Coolant Pipe Line Hose Tube 05E122447F

Product currently unavailable

Part no. 5N0121086J

Volkswagen Tiguan 5N Audi Q3 8U Coolant Hose Pipe Line 2.0 TDI 5N0121086J

Product currently unavailable

Part no. 5Q0122101BK

VW Golf Mk7 Audi A3 8V Water Hose Radiator Coolant Pipe Line Diesel 5Q0122101BE

Product currently unavailable

Part no. 038121065BG

VW Volkswagen New Beetle 1.9 TDI BSW Diesel Water Coolant Pipe Hose 038121065BG

Product currently unavailable

Part no. 5Q0122051CM

Volkswagen Golf 5G 2.0 TDI Water Hose Radiator Coolant Pipe Line 5Q0122051CM

Product currently unavailable

Part no. 038145771N

VW Volkswagen New Beetle 1.9 TDI BSW Turbo Oil Feed Hose Line Pipe 038145771N

Product currently unavailable

Part no. 03C121004J

Volkswagen VW Touran 1T Water Pump Coolant Unit 1.4 TSI Petrol 03C121004J

Product currently unavailable

Part no. 1K0121086AH

Audi A3 8P VW Golf 5 Seat Leon 1P1 Coolant Hose Pipe Diesel 2.0 TDI 1K0121086AH

Product currently unavailable

Part no. 5N0971349BA

Volkswagen Sharan 7N Alternator Generator Wiring Harness Cable 5N0971349BA

Product currently unavailable

Part no. 6R0121070J

VW Polo MK5 Seat Ibiza 4 Skoda 1.2 TDI CFWA Coolant Pipes Assembly 6R0121070J

Product currently unavailable

Part no. 7H0121157P

Volkswagen Transporter T5 1.9 TDI Water Coolant Pipe Hose Line 7H0121157P

Product currently unavailable

Part no. 1K0121096C

Volkswagen Golf MK5 Engine Water Coolant Pipe Hose 1K0121096C

Product currently unavailable

Part no. 03P12111D

VW Polo MK 5 1.2 TDI CFWA Seat Skoda Thermostat Coolant Flange Housing 03P12111D

Product currently unavailable

Part no. 5N0122101AC

Volkswagen Tiguan 5N Water Pipes Hoses Coolant Cooling Line 5N0122101AC

Product currently unavailable

Part no. 045121065M

VW Volkswagen Polo 9N 1.4 TDI Coolant Pipe Hose Line Tube 045121065M

Product currently unavailable

Part no. 03C133514BN

VW Volkswagen Touran 1T 1.4 TSI CAVC Connecting Hose Pipe Line Tube 03C133514BN

Product currently unavailable

Part no. 06A121132R

VW Volkswagen New Beetle 1.6 BFS Water Coolant Flange 06A121133AC

Product currently unavailable

Part no. 5Q0121205

Volkswagen Golf 5G Radiator Fan Engine Cooling Cooler Blower Unit 5Q0121205

Product currently unavailable

Part no. MB3G-18D476-FF

VW Volkswagen Amarok NF Coolant Hose Line Tube Pipe MB3G-18D476-FF

Product currently unavailable

Part no. 1C0121086L

Volkswagen Beetle 1.6 Petrol Water Coolant Pipe Hose Line 1C0121086L

Product currently unavailable

Part no. 1K0122058P

Audi A3 8P VW Golf Mk6 Water Hose Radiator Coolant Pipe Line 2.0 TDI 1K0122058P

Product currently unavailable

Part no. 3C0121058AR

VW Golf Mk6 Audi A3 8P Water Coolant Hose Pipe Line 2.0 TDI Diesel 3C0121058AR

Product currently unavailable

Part no. 5Q0122051BE

Volkswagen Golf Mk7 5G Water Coolant Pipe Radiator Hose Line 2.0 TDI 5Q0122051BE

Product currently unavailable

Part no. 03L121065H

Volkswagen Golf Mk6 Audi A3 8P Hose Thermostat Coolant Pipe 2.0 TDI 03L121065H

Product currently unavailable

Part no. 05E145140N

VW Volkswagen Golf 8 1.5 eTSI DFYA Turbo Oil Pipe Feed Hose 05E145140N

Product currently unavailable

Part no. 7C0121082B

Volkswagen VW Crafter SY Engine Coolant Hose Line Radiator Pipe 7C0121082B

Product currently unavailable

Part no. 045115389E

Volkswagen Golf MK5 Audi A3 8P Tdi Oil Filter Housing Oil Cooler 045115389E

Product currently unavailable

Part no. 04E145641M

Volkswagen Golf CD1 Connect Pipe Hose Line 04E145641M

Product currently unavailable

Part no. 05C121070A

Volkswagen Golf Mk8 Water Coolant Pipe Hose Line 1.0 TSI DLAA Petrol 05C121070A

Product currently unavailable

Part no. 7L6122447BM

VW Volkswagen Touareg 7L Water Pipe Hose Coolant Cooling Line 7L6122447AT

Product currently unavailable

Part no. 2HJ121051K

VW Volkswagen Amarok NF Coolant Cooling Pipe Hose Line Diesel Engine 2HJ121051K

Product currently unavailable

Part no. 05E103495B

VW Volkswagen Golf Mk7 Audi A3 8V Oil Separator Breather 1.5 TSI 05E103495B

Product currently unavailable

Part no. 2Q0965567A-1

VW Scirocco III Golf VII Transporter T6 Additional Water Coolant Pump 2Q0965567A

Product currently unavailable

Part no. 2HJ121052E

VW Volkswagen Amarok NF Coolant Cooling Pipe Hose Line Diesel Engine 2HJ121052E

Product currently unavailable

Part no. 1K0121157DQ

Volkswagen VW Scirocco Mk3 Water Hose Radiator Coolant Pipe Line 1K0121156CF

Product currently unavailable

Part no. 5WA121109F

Volkswagen Golf CD1 Engine Water Coolant Pipe Hose 5WA121109F

Product currently unavailable

Part no. 1K0121064C

Volkswagen Golf Mk6 Water Coolant Pipe Hose Line 2.0 Diesel Engine 1K0122447GR

Product currently unavailable

Part no. 5Q0121049R

VW Golf 5G Mk7 Audi A3 8V Water Pipe Hose Line Coolant 1.2 TSI 5Q0121049R

Product currently unavailable

Part no. 7L6121253C

Volkswagen VW Touareg 7L Radiator Engine Cooling Coolant Unit 7L6121253C

Product currently unavailable

Part no. 04B121111C

Volkswagen Polo Mk5 Coolant Regulator Thermostat Housing Pipe 1.4 TDI 04B121111C

Product currently unavailable

Part no. 2HJ122073J

VW Volkswagen Amarok NF Coolant Cooling Pipe Hose Line 3.0 TDI 2HJ122073J

Product currently unavailable

Part no. 07Z103101D

Volkswagen Phaeton 3D Pressure Regulating Valve Engine Oil Separator 07Z103101D

Product currently unavailable

Part no. 5N0121101H

VW Volkswagen Golf Mk6 Coolant Hose Pipe Line 2.0 TDI Diesel Engine 5N0121101H

Product currently unavailable

Part no. 7N0121051D

VW Volkswagen Sharan 7N Water Pipe Hose Coolant Cooling Line 7N0121051D

Product currently unavailable

Part no. 058121301B

Volkswagen VW Passat B6 Radiator Fan Blade Cooling Shroud Holder 058121301B

Product currently unavailable

Part no. 6C0122051AK

Seat Ibiza Mk4 6J VW Polo Mk5 Coolant Hose Line Tube Pipe 1.4 Diesel 6C0122051AK

Product currently unavailable

Part no. 03C121004J-1

Volkswagen VW Scirocco Mk3 Water Pump Coolant Unit 1.4 TSI Petrol 03C121004J

Product currently unavailable

Part no. 6R0121058D

VW Polo 5 Seat Ibiza 4 Skoda 1.2 TDI CFWA Coolant Radiator Hose 6R0121058D

Product currently unavailable

Part no. 1K0122157H

Volkswagen VW Golf Mk5 Radiator Water Coolant Pipe Hose Line 1K0122157H

Product currently unavailable

Part no. 1K0121251DD

VW Volkswagen Golf MK6 Radiator Engine Cooling Coolant Water Unit 1K0121251DD

Product currently unavailable

Part no. 8R0201892

Audi A4 B8 A5 8T TDI Diesel Water Coolant Cooling Pipe Hose Line 8R0201892

Product currently unavailable

Part no. 04E103464AD

Volkswagen Golf Mk7 Oil Separator Breather 1.5 TSI Petrol 04E103464AD

Product currently unavailable

Part no. 032121111N

Volkswagen Polo 6N Water Coolant Thermostat Housing 032121111N

Product currently unavailable

Part no. 1K0122101BG

Volkswagen VW Golf Mk5 Water Hose Cooling Coolant Radiator Pipe Line 1K0122101BG

Product currently unavailable

Part no. 03P121065C

VW Polo 5 Seat Ibiza 4 Skoda 1.2 TDI CFWA Coolant Pipe Water Tube 03P121065C

Product currently unavailable

Part no. 03G121113

VW Volkswagen Golf Mk6 5K Coolant Thermostat 2.0 1.6 TDI Diesel Engine 03G121113

Product currently unavailable

Part no. 1K0121447T

Volkswagen VW Golf Mk5 Water Hose Radiator Coolant Pipe Line 1K0121447T

Product currently unavailable

Part no. 2HJ121045D

VW Volkswagen Amarok NF Coolant Cooling Pipe Hose Line Diesel Engine 2HJ121045D

Product currently unavailable

Part no. 05C133352AF

VW Volkswagen Golf 8 CD1 1.0 TSI DLAA Oil Breather Pipe 05C133352AF

Product currently unavailable

Part no. 1K0122157KN

Volkswagen Scirocco Mk3 Water Hose Cooling Coolant Pipe Line 1.4 TSI 1K0122157KN

Product currently unavailable

Part no. 04B121064

Volkswagen VW Polo 6C Water Coolant Pipe Hose Line 1.4 TDI Diesel 04B121064

Product currently unavailable

Part no. 04B145735C

VW Volkswagen Polo Mk5 Turbocharger Oil Return Pipe Line 1.4 Diesel 04B145771L

Product currently unavailable

Part no. 6Q0122101BE

Volkswagen VW Polo 1.2 Water Hose Cooling Coolant Pipe Line 6Q0122101BE

Product currently unavailable

Part no. 04B145771L

VW Volkswagen Polo Mk5 Turbocharger Oil Feed Pipe Line Tube 1.4 TDI 04B145771L

Product currently unavailable

Part no. 6R0121070G

VW Volkswagen Polo GTI 6R 1.4 Petrol Engine Coolant Pipe Hose Line 6R0121070G

Product currently unavailable

Part no. 5Q0122101S

VW Golf Mk7 Audi A3 8V Water Hose Radiator Coolant Pipe Line Diesel 5Q0122101S

Product currently unavailable

Part no. 3AA122109B

Volkswagen Passat B7 Water Coolant Cooling Pipe Hose Line Diesel 3AA122109B

Product currently unavailable

Part no. 2E0122101G

Volkswagen Crafter 2E Metal Water Hose Cooling Coolant Pipe Line 2E0122101G

Product currently unavailable

Part no. 074121302B

Fan Viscous Volkswagen LT35 2.5 TDI Diesel Radiator Fan 074121302B

Product currently unavailable

Part no. 059121065AK

VW Touareg 7L Audi A4 B7 Water Cooling Coolant Pipe Hose 3.0 TDI 059121065AK

Product currently unavailable

Part no. 6Q0122051BP

Volkswagen VW Polo 9N 1.2 Water Hose Radiator Coolant Pipe Line 6Q0122051BP

Product currently unavailable

Part no. 03L121011J

Volkswagen Transporter T5 2.0 TDi Engine CAAA Water Pump 03L121011J

Product currently unavailable

Part no. 6Q0121109BC

Volkswagen VW Polo 9N 1.2 Water Hose Radiator Coolant Pipe Line 6Q0121109BC

Product currently unavailable

Showing 298-396 of 439 products

Engine cooling system parts – proven solutions for your car

Cooling components for BMW, Audi, Mercedes and others – guaranteed quality and fit

The engine cooling system is one of the most important systems in any vehicle, responsible for maintaining optimal operating temperature of the engine. It prevents engine overheating and protects against costly breakdowns. At Global Parts, you'll find a wide selection of used car parts. for cooling systems such as radiators, fans, water pumps, and thermostats. Our range of cooling systems is tailored to brands such as BMW , Audi , Volkswagen , Mercedes , Mini, and many others, so you'll find the perfect solution for your vehicle.

How does the engine cooling system work?

The engine cooling system is a complex system responsible for removing excess heat generated during engine operation. Its key components include:

- Fans and fan housings – They are responsible for air flow and radiator cooling.
Cooling system hoses and lines – They transport the coolant between individual system components.
Water coolers – Key elements responsible for collecting heat from the engine and dissipating it.
Thermostats and housings – Regulate coolant flow, maintaining optimal engine temperature.
Water pumps – They drive the circulation of coolant, enabling efficient engine cooling.
Oil coolers and hoses – They help maintain optimal oil temperature, reducing oil degradation.
Expansion tanks – They are responsible for maintaining the proper coolant level and compensating for changes in liquid volume.
Overlays – Protective elements of the cooling system, increasing its durability.
Clamps and mounting parts – They enable stable mounting of cooling system components.
Fan blades – They support cooling by increasing airflow.
Fan clutches – Regulates the fan speed depending on the engine temperature.
Fan and blower motors – They are responsible for the operation of the fan, ensuring proper cooling.
Temperature sensors – Monitor engine and coolant temperature, sending information to the controller. All of these components work together to keep the engine at a stable operating temperature, protecting it from overheating or overcooling.

Parameters of cooling systems in cars

The engine cooling system in a passenger car operates at temperatures ranging from 85°C to 105°C, depending on the vehicle model and manufacturer's specifications. Modern radiators are typically constructed of aluminum, which provides better thermal conductivity and lower weight. Coolant flow requires adequate pressure—typically between 0.9 and 1.5 bar —which is maintained by the reservoir cap. Proper operation of this system is crucial to maintaining engine efficiency.

Why is it worth taking care of the engine cooling system?

Regular maintenance and replacement of worn cooling system components is essential for long and reliable engine operation. A neglected system can lead to:

Engine overheating, which increases the risk of serious damage.
Coolant leaks that may reduce cooling efficiency.
Higher repair costs resulting from failures caused by a faulty system. At Global Parts we offer genuine used car parts, which undergo detailed quality tests, ensuring their reliability.

The most common cooling system components and their roles:

System element	Function	Typical symptoms of damage
Cooler	Heat removal from the fluid	Fluid leak, temperature rise
Water pump	Coolant circulation	Loud operation, engine overheating
Thermostat	Fluid flow regulation	Heating too slowly or overheating too quickly
Temperature sensor	Temperature monitoring	Incorrect readings, computer error
Fan	Forcing air flow	No cooling when stationary

How to choose the right parts for your cooling system?

When deciding to purchase parts for the cooling system, it is worth paying attention to several key factors:

Vehicle-specific fit – Every car make and model has its own technical specifications. At Global Parts, you'll find parts for BMW , Audi , Volkswagen , Mercedes , Mini, and many more.
Technical condition – Used parts, such as radiators or water pumps, should be fully functional and ready for further use.
Radiator type – Depending on your needs, you can choose standard, intercooler or radiators dedicated to sports vehicles.

Compatibility examples

When choosing cooling system parts, it's worth considering compatibility with other components. For example, a radiator for a BMW 3 Series (E46) can be fitted to several engine variants – both petrol and diesel – but the water pump will have different part numbers depending on the engine capacity. Similarly, the Audi A4 B8 uses several types of thermostats, varying in opening temperature range (from 87°C to 95°C ).

Why choose used cooling system parts?

Car parts for the cooling system is a solution that combines high quality with savings. Why is it worth considering?

Lower costs – Used radiators, water pumps and thermostats are much cheaper than new ones, but offer just as high quality.
Ecology – By choosing used car parts, you support recycling and reduce the amount of automotive waste.
Wide range – We offer parts for the most popular car brands, so you can easily find the right components for your car.

How to take care of the engine cooling system?

To keep your cooling system running smoothly for a long time, it is worth remembering a few rules:

Regularly check the coolant level and quality – contaminated or low coolant levels can lead to engine overheating.
Check the condition of the radiator and pipes – leaks or damage may reduce cooling efficiency.
Change the coolant according to the manufacturer's recommendations – this is the key to keeping the system in perfect condition. If you notice any problems, you'll find the right used car parts at Global Parts that will help restore your vehicle to full working order.

FAQ - Frequently asked questions about car engine cooling systems

Question	Answer
What is the main purpose of the cooling system?	This is a system of components responsible for maintaining the operating temperature of the drive unit within the optimal range.
How does a car radiator work?	The radiator extracts heat from the coolant and releases it to the environment, assisted by a fan and air flow.
What does a thermostat do in a cooling system?	The thermostat regulates the moment when coolant begins to circulate through the radiator, allowing the engine to reach operating temperature faster.
How do you know if your water pump is faulty?	Symptoms include fluid leaks around the timing belt, unusual operating noises, and increased engine temperature.
Are cooling parts the same for all car models?	No – even within a single brand, there are differences in parameters and construction. Therefore, it's worth matching the part by its VIN or catalog number.
What are the symptoms of a damaged engine temperature sensor?	These may be incorrect readings on the dashboard, a problem with starting the fan or error messages in the on-board computer.
Are used coolers safe?	Yes – provided they have been tested for leaks and are free of mechanical damage. At Global Parts, every part undergoes quality control.

Summary: Engine Cooling at the Global Parts Automotive Store

The engine cooling system is fundamental to the reliability of any vehicle. By ensuring its proper operation, you ensure your engine operates at optimal operating temperatures, extend its lifespan, and prevent costly breakdowns. The Global Parts automotive store invites you to browse our wide selection of genuine used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or 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 .

used parts cheap car parts bmw auto parts mini auto parts genuine used mercedes parts genuine used audi parts bmw engine cooling components mercedes engine cooling components mini engine cooling components audi engine cooling components volkswagen engine cooling components