Engine cooling
More informationAt 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.
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-5%
Part no. 1K0121407A
Audi A3 8P Expansion Tank Header Coolant Reservoir Bottle 1K0121407A
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€23.95
€22.75
Free delivery - Fri, Nov 21
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Part no. 8K0121403H
Audi A5 8T 2.0 TDI Coolant Expansion Overflow Reservoir Bottle Tank 8K0121403H
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€23.95
€22.75
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Part no. 4G0121403AC
Expansion Tank Audi A6 C7 Overflow Coolant Fluid Reservoir Bottle 4G0121403G
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€23.95
€22.75
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Part no. 8V0121407
Audi RS4 B8 Header Coolant Expansion Overflow Reservoir Tank Bottle 8V0121407
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€23.95
€22.75
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Part no. 06D145778C
Audi A4 B7 2.0 TFSI BGB Oil Supply Feed Hose Line Pipe Tube 06D145778C
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€23.95
€22.75
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Part no. 06L145778M
Audi Q5 FY Oil Feed Hose Pipe Line 2.0 TFSI Petrol Engine 06L145778M
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€23.95
€22.75
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Part no. 06J145771D
Audi TT 8J 1.8 TFSI CDAA High Pressure Oil Feed Pipe Hose Line Tube 06J145771D
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€23.95
€22.75
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Part no. 06L145735H
Audi Q5 FY Oil Return Hose Pipe Line 2.0 TFSI 06L145735H
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€23.95
€22.75
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Part no. 8E0121403
Expansion Tank Bottle Audi A4 B6 B7 VW Passat Coolant Reservoir Bottle 8E0121403
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€23.95
€22.75
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Part no. 8K0121405M
Audi A5 8T Expansion Tank Header Coolant Reservoir Bottle 8K0121405M
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€23.95
€22.75
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Part no. 2Q0121321A-1
SEAT Audi Volkswagen Skoda Water Coolant Expansion Tank Cap Cover 3C0121321
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€23.95
€22.75
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Part no. 06Q145778D
Audi S3 8Y 2.0 TFSI Turbocharger Oil Feed Pipe Hose Line 06Q145778D
€42.95
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Part no. 05E103495AT
Audi Q2 GA 25 TFSI Oil Separator Breather Hose 05E103495AT
€51.95
Free delivery - Fri, Nov 21
If paid before 14:00

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Part no. 06D145735B
Audi A4 B7 2.0 TFSI BGB Petrol Oil Hose Line Tube Pipe 06D145735B
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€28.95
€24.61
Free delivery - Fri, Nov 21
If paid before 14:00

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Part no. 06K103495AN
Audi Q5 FY Pressure Regulating Valve Engine Oil Separator 2.0 TFSI 06K103495AN
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€23.95
€22.75
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Part no. 6C0121407
Audi A1 8X 1.6 TDI Expansion Tank Water Coolant Bottle Reservoir 6C0121407
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€23.95
€22.75
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Part no. 06H145735G
Audi A5 8T 2.0 TFSI CDNB Turbo Oil Return Pipe Line Tube Hose 06H145735G
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€28.95
€24.61
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Part no. 06H121497A
Audi A5 8T Turbine Cooling Hose Line Pipe 06H121497A
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€37.95
€32.26
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Part no. 06J117021J
Audi A3 8P TT 8J A4 B7 Oil Cooler 1.8 2.0 TFSI Petrol Engine 06J117021J
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€23.95
€22.75
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Part no. 8K0317818DM
Audi A5 8T 3.0 TDI Oil Pipe Line Tube Hose Automatic Gearbox 8K0317818DM
€99.95
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Part no. 06F129101R
Audi A3 8P TT 8J VW Golf GTI 2.0 TFSI Breather Valve Oil Separator 06F129101R
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€23.95
€22.75
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Part no. 5Q0121407A
Audi A3 8V Engine Coolant Water Expansion Tank Bottle 5Q0121407A
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€23.95
€22.75
Free delivery - Fri, Nov 21
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Part no. 06H115243F
Audi A5 8T 2.0 TFSI CDNB Oil Pressure Control Valve Adjuster Unit 06H115243F
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€51.95
€44.16
Free delivery - Fri, Nov 21
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Part no. 8K0805201-1
Audi Q5 8R Coolant Mounting Radiator Holder Bracket Set 8K0805201
€28.95
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If paid before 14:00

Part no. 07K103495E
Audi RS3 8Y Oil Separator Engine Breather Valve 2.5 TFSI DNWC 07K103495E
€189.95
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If paid before 14:00

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Part no. 4G0317818AF
Audi RS6 C7 Oil Pipe Line Tube Hose Automatic Gearbox Transmission 4G0317818AF
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€32.95
€28.01
Free delivery - Fri, Nov 21
If paid before 14:00

Part no. 059103482H
Audi A4 B9 Q7 4M Engine Oil Filler Pipe Neck Hose Line Tube 059103482H
€23.95
Free delivery - Fri, Nov 21
If paid before 14:00

Part no. 06K103495AS
Audi A4 B9 A5 F5 Engine Oil Separator Breather Petrol 2.0 TFSI DDWA 06K103495AS
€32.95
Free delivery - Fri, Nov 21
If paid before 14:00

Part no. 06L145735J
Audi A4 B8 A5 F5 Turbine Lubrication Oil Return Pipe 2.0 TFSI 06L145735J
€42.95
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If paid before 14:00

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Part no. 4F0121403N
Audi A6 C6 Coolant Expansion Tank Reservoir Bottle Fluid Tank 4F0121403N
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€23.95
€22.75
Free delivery - Fri, Nov 21
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Part no. 4H0121403G
Audi A8L 4H 3.0 TDI CDTA Coolant Overflow Reservoir Expansion Tank 4H0121403G
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€28.95
€24.61
Free delivery - Fri, Nov 21
If paid before 14:00

Part no. 8K0121403Q
Audi A4 B8 8K A5 8T Water Coolant Expansion Reservoir Tank 8K0121403Q
€23.95
Free delivery - Fri, Nov 21
If paid before 14:00

Part no. 07K117021G-1
Audi RS3 8Y Engine Oil Cooler Coolant Unit 2.5 TFSI Petrol 07K117021G
€94.95
Free delivery - Fri, Nov 21
If paid before 14:00

-40%
Part no. 03N115389H
Oil Filter Housing Audi A4 B8 A5 8T Q5 8R 2.0 TDI Engine Oil Cooler 03N115389H
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€47.95
€28.77
Free delivery - Fri, Nov 21
If paid before 14:00

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Part no. 059117021R
Audi A8L D4 3.0 TDI CBTA Engine Oil Cooler 059117021R
Promo price
€32.95
€28.01
Free delivery - Fri, Nov 21
If paid before 14:00

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Part no. 07K103207
Oil Separator Pipe Audi RS3 8V TTRS 8S 2.5 TFSI Breather Hose Line 07K103207
Promo price
€113.95
€68.37
Free delivery - Fri, Nov 21
If paid before 14:00

Part no. 07K145778F
Audi RS3 8V 8Y Turbocharger Turbo Oil Feed Pipe Line Tube 2.5 TFSI 07K145778F
€80.95
Free delivery - Fri, Nov 21
If paid before 14:00

Part no. 07K145735G
Audi RS3 8Y Turbocharger Turbo Oil Return Pipe Line 2.5 Petrol 07K145735G
€89.95
Free delivery - Fri, Nov 21
If paid before 14:00

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Part no. 5Q0121407G
Audi A3 8V Expansion Tank Header Coolant Reservoir Bottle 5Q0121407G
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 21
If paid before 14:00

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Part no. 4G0317818S
Audi A7 4G Oil Pipe Line Tube Hose Automatic Gearbox Transmission 4G0317818S
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€23.95
€22.75
Free delivery - Fri, Nov 21
If paid before 14:00

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Part no. 8K0121403G
Audi A4 B8 A5 8T Q5 2.0TDI Coolant Reservoir Expansion Tank Bottle 8K0121403G
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 21
If paid before 14:00

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Part no. 03L117021C
Audi Volkswagen Seat Skoda Diesel Oil Filter Housing Oil Cooler 03L117021C
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€23.95
€22.75
Free delivery - Fri, Nov 21
If paid before 14:00

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Part no. 8W0121405F
Audi A5 F5 Expansion Coolant Tank Bottle 8W0121405F
Promo price
€28.95
€24.61
Free delivery - Fri, Nov 21
If paid before 14:00

Part no. 06D117021C
Audi S3 8P 2.0 TFSI Engine Oil Radiator Cooler Unit 06D117021C
€28.95
Free delivery - Fri, Nov 21
If paid before 14:00

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Part no. 8K0121405E
Audi A5 8T Expansion Tank Header Coolant Reservoir Bottle 8K0121405E
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 21
If paid before 14:00

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Part no. 8T0820521A
Audi A5 S5 8T Blower Heater Fan Resistor Regulator 8T0820521A
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€23.95
€22.75
Free delivery - Fri, Nov 21
If paid before 14:00

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Part no. 059145771AC
Audi A5 8T 3.0 TDI CCWA Turbo Oil Feed Pipe Line Hose Tube 059145771AC
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 21
If paid before 14:00

-5%
Part no. 8K0121405N
Audi A5 S5 8T Expansion Tank Header Coolant Reservoir Bottle 8K0121405N
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 21
If paid before 14:00

-5%
Part no. 4G0121403G
Audi A6 C7 Expansion Overflow Coolant Reservoir Bottle Tank 4G0121403G
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 21
If paid before 14:00

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Part no. 06K145778K
Audi Q3 2.0 TFSI CULB Oil Pipe Line Tube Hose 06K145778K
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 21
If paid before 14:00

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Part no. 03C121050P
Audi A1 8X Oil Cooler Water Pipe 1.4 TSI Engine 03C121050P
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 21
If paid before 14:00

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Part no. 059145736D
Audi A5 8T Turbine Lubrication Inlet Oil Feed Line Pipe 059145736D
Product currently unavailable

Part no. 80A121405T
Audi Q5 FY Expansion Tank Header Coolant Reservoir Bottle 80A121405T
Product currently unavailable

Part no. 4E0121403H
Audi S8 D3 Coolant Expansion Tank Reservoir Bottle Fluid Tank 4E0121403H
Product currently unavailable

Part no. 06A145778Q
Audi TT 8N 1.8 T Oil Turbo Feed Pipe Line Tube Hose 06A145778Q
Product currently unavailable

Part no. 06K115243T
Audi A3 8V 2.0 TFSI DJHA Oil Pressure Valve 06K115243T
Product currently unavailable

Part no. 059131685D
Audi A6 A7 4G8 3.0 TDI Oil Cooler Radiator Bracket Mount 059131685D
Product currently unavailable

Part no. 06H115251M
Audi A5 8T 2.0 TFSI CDNB Oil Suction Line Tube Pipe Hose 06H115251M
Product currently unavailable

-15%
Part no. 06A145735AA
Audi TT 8N 1.8T AUM Turbo Oil Return Pipe Hose Line Tube 06A145735AA
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Part no. 8W0121405E
Audi A4 B9 A5 F5 Expansion Tank Water Coolant Bottle Reservoir 8W0121405E
Product currently unavailable

Part no. 07K103495B
Oil Separator Audi RS3 8V TTRS 8S 2.5 TFSI DAZA Breather Valve 07K103495B
Product currently unavailable

Part no. 06K103495AF
Audi A1 S1 8X 2.0 TFSI Petrol Engine Oil Separator Breather 06K103495AF
Product currently unavailable

Part no. 8W0121405L
Audi A4 B9 Expansion Tank Engine Coolant Fluid Bottle Reservoir 8W0121405L
Product currently unavailable

Part no. 4G0121403D
Audi A6 C7 Expansion Tank Header Coolant Reservoir Bottle 4G0121403D
Product currently unavailable

Part no. 06H121492D
Audi A5 8T 2.0 TFSI Turbine Cooling Hose Pipe Hose Line 06H121492D
Product currently unavailable

Part no. 059145771AQ
Oil Hose Audi A6 C7 Q5 8R Turbine Cooling Pipe Line 059145771AQ
Product currently unavailable

Part no. 7L0121407F
Audi Q7 4L Radiator Expansion Overflow Reservoir Tank Bottle 7L0121407F
Product currently unavailable

Part no. 04C103464G
Audi A1 8X Q2 GA A3 8V Oil Separator Cover 1.0 TFSI Petrol Engine 04C103464G
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-15%
Part no. 06M115401F
Audi A4 S4 B9 Oil Filter Housing Oil Cooler 3.0 TFSI V6 Petrol 06M115401F
Product currently unavailable

-40%
Part no. 06M103515F
Oil Separator Audi S4 B8 S5 8T 3.0 TFSI V6 Breather Valve A2700105401
Product currently unavailable

Part no. 5Q0121407D
Audi A3 8V Expansion Tank Header Coolant Reservoir Bottle 5Q0121407D
Product currently unavailable

-5%
Part no. 5Q0121407M
Audi A3 8V Expansion Header Overflow Coolant Bottle Tank Reservoir 5Q0121407M
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Part no. 03G145771J
Audi A3 8P 1.9 TDI BLS Diesel Turbo Feed Oil Pipe Line Inlet Hose 03G145771J
Product currently unavailable

Part no. 5N0011031B
Audi Q3 8U Lifting Jack Car Tool Emergency Wheel Lift 5N0011031B
Product currently unavailable

Part no. 06J121497J
Audi TT 8J Turbine Lubrication Inlet Oil Feed Line Pipe 06J121497J
Product currently unavailable

Part no. 8K0121403T
Audi A4 B8 A5 8T Expansion Tank Header Coolant Reservoir Bottle 8K0121403AC
Product currently unavailable

Part no. 8W0145805AD
Audi A4 B9 Intercooler Radiator Air Charge Cooler Unit 8W0145805AD
Product currently unavailable

Part no. 4G0121403J
Audi A7 4G8 3.0 TDI CZVA Coolant Overflow Expansion Tank Bottle 4G0121403J
Product currently unavailable

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 .