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.
Make
Category
Subcategory
Condition
In Stock
Price
-5%
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: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 8K0121403H
Audi A5 8T 2.0 TDI Coolant Expansion Overflow Reservoir Bottle Tank 8K0121403H
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 8K0121405E
Audi A5 8T Expansion Tank Header Coolant Reservoir Bottle 8K0121405E
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 1K0121407A
Audi A3 8P Expansion Tank Header Coolant Reservoir Bottle 1K0121407A
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
Part no. 06K115243R
Audi S1 8X A3 8Y Oil Pressure Control Valve 2.0 TFSI CWZA 06K115243R
€42.95
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 06D145778C
Audi A4 B7 2.0 TFSI BGB Oil Supply Feed Hose Line Pipe Tube 06D145778C
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-15%
Part no. 06H906517Q
Audi A3 8V 2.0 TFSI CZPB Oil Separator Breather Valve 06H906517Q
Promo price
€28.95
€24.61
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 06M117015M
Audi S5 F5 Q5 FY Engine Oil Cooler Heat Exchanger 3.0 TFSI 06M117015M
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 06L145778M
Audi Q5 FY Oil Feed Hose Pipe Line 2.0 TFSI Petrol Engine 06L145778M
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 06J145771D
Audi TT 8J 1.8 TFSI CDAA High Pressure Oil Feed Pipe Hose Line Tube 06J145771D
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
Part no. 8K0317823B
Oil Pipe Audi A4 B8 A5 8T Diesel Gearbox Cooler Line 8K0317823B
€75.95
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 06L145735H
Audi Q5 FY Oil Return Hose Pipe Line 2.0 TFSI 06L145735H
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 8E0121403
Expansion Tank Bottle Audi A4 B6 B7 VW Passat Coolant Reservoir Bottle 8E0121403
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 2Q0121321A-1
SEAT Audi Volkswagen Skoda Water Coolant Expansion Tank Cap Cover 3C0121321
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
Part no. 045115389H-1
Audi A5 8T A3 8P A6 C6 A4 B8 Diesel Engine Oil Filter Housing Cooler 045115389H
€32.95
Free delivery: Jul 30 – Aug 3
If paid before 14:00
Part no. 06Q145778D
Audi S3 8Y 2.0 TFSI Turbocharger Oil Feed Pipe Hose Line 06Q145778D
€42.95
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-15%
Part no. 06D145735B
Audi A4 B7 2.0 TFSI BGB Petrol Oil Hose Line Tube Pipe 06D145735B
Promo price
€28.95
€24.61
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 06K103495AN
Audi Q5 FY Pressure Regulating Valve Engine Oil Separator 2.0 TFSI 06K103495AN
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 6C0121407
Audi A1 8X 1.6 TDI Expansion Tank Water Coolant Bottle Reservoir 6C0121407
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 059131685D
Audi A6 A7 4G8 3.0 TDI Oil Cooler Radiator Bracket Mount 059131685D
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-15%
Part no. 06H145735G
Audi A5 8T 2.0 TFSI CDNB Turbo Oil Return Pipe Line Tube Hose 06H145735G
Promo price
€28.95
€24.61
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 4G0121214AF
Audi A6 C7 Radiator Coolant Reservoir Bracket Mount Lower Front 4G0121214AF
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-15%
Part no. 8K0121405R
Audi S5 8T Cooler Coolant Expansion Tank Reservoir 8K0121405R
Promo price
€32.95
€28.01
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 4G0121214AE
Audi A6 C7 Radiator Coolant Reservoir Bracket Mount Upper Front 4G0121214AC
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 06J117021J
Audi A3 8P TT 8J A4 B7 Oil Cooler 1.8 2.0 TFSI Petrol Engine 06J117021J
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-15%
Part no. 06H115243F
Audi A5 8T 2.0 TFSI CDNB Oil Pressure Control Valve Adjuster Unit 06H115243F
Promo price
€51.95
€44.16
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-15%
Part no. 8N0422891E
Audi TT 8N Power Steering Rack Return Oil Hose Pipe Line 3.2 Quattro 8N0422891E
Promo price
€85.95
€73.06
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-15%
Part no. 059117015K
Audi Q7 4M Engine Oil Cooler Radiator 3.0 TDI 059117015K
Promo price
€32.95
€28.01
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-15%
Part no. 8K0805201-1
Audi Q5 8R Coolant Mounting Radiator Holder Bracket Set 8K0805201
Promo price
€28.95
€24.61
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 1J0121403B
Audi TT 8N Coolant Expansion Header Tank Bottle Reservoir Cap 1J0121403B
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-15%
Part no. 06E117021J
Audi A5 S5 8T Engine Oil Cooler Heat Exchanger Unit 3.0 Petrol Engine 06E117021J
Promo price
€37.95
€32.26
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 4K2121214E
Audi A6 C8 Radiator Expansion Tank Reservoir Retainer Bracket Support 4K2121214E
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-15%
Part no. 4G0317818AF
Audi RS6 C7 Oil Pipe Line Tube Hose Automatic Gearbox Transmission 4G0317818AF
Promo price
€32.95
€28.01
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-1%
Part no. 4G0121403AH
Audi A6 C7 A7 4G Water Coolant Expansion Tank Reservoir 3.0 TDI 4G0121403AH
Promo price
€42.95
€42.45
Free delivery: Jul 30 – Aug 3
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: Jul 30 – Aug 3
If paid before 14:00
-15%
Part no. 06K103495AS
Audi A4 B9 A5 F5 Engine Oil Separator Breather Petrol 2.0 TFSI DDWA 06K103495AS
Promo price
€32.95
€28.01
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-40%
Part no. 06L145735J
Audi A4 B8 A5 F5 Turbine Lubrication Oil Return Pipe 2.0 TFSI 06L145735J
Promo price
€42.95
€25.77
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 4F0121403N
Audi A6 C6 Coolant Expansion Tank Reservoir Bottle Fluid Tank 4F0121403N
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-15%
Part no. 4H0121403G
Audi A8L 4H 3.0 TDI CDTA Coolant Overflow Reservoir Expansion Tank 4H0121403G
Promo price
€28.95
€24.61
Free delivery: Jul 30 – Aug 3
If paid before 14:00
Part no. 2Q0121407B
Audi A1 GB VW Polo Taigo Coolant Expansion Tank Bottle Reservoir 2Q0121407B
€23.95
Free delivery: Jul 30 – Aug 3
If paid before 14:00
Part no. 8E0317817H
Audi A4 B7 Gearbox Oil Cooler Pressure Hose Line Manual 2.0 TFSI 8E0317817H
€56.95
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-15%
Part no. 059103688A
Audi Q7 4L VW Touareg 7P Engine Oil Return Pipe 3.0 TDI Diesel 059103688A
Promo price
€28.95
€24.61
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-15%
Part no. 4K0121405N
Audi A6 C8 Coolant Expansion Reservoir D Cooling Agent Tank Radiator 4K0121403
Promo price
€28.95
€24.61
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-15%
Part no. 03N115389H
Oil Filter Housing Audi A4 B8 A5 8T Q5 8R 2.0 TDI Engine Oil Cooler 03N115389H
Promo price
€28.95
€24.61
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 03N117021A
Audi A4 B8 Oil Cooler Cooling Unit 2.0 TDI Diesel Engine 03N117021A
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
Part no. 8E0317826T
Audi A4 B7 Gearbox Oil Cooler Pressure Line Pipe Hose 2.0 TFSI Petrol 8E0317826T
€56.95
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 03N117021
Audi A3 8V A4 B8 Oil Cooler Cooling Unit 1.6 TDI Diesel Engine 03N117021
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-15%
Part no. 03N115389H-1
Audi A4 B8 A5 8T Q5 8R Oil Filter Housing Cover 2.0 TDI 03N115389H
Promo price
€32.95
€28.01
Free delivery: Jul 30 – Aug 3
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: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 06K103495AF
Audi A1 S1 8X 2.0 TFSI Petrol Engine Oil Separator Breather 06K103495AF
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
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: Jul 30 – Aug 3
If paid before 14:00
Part no. 059145736G
Audi A7 4G Turbocharger Lubrication Inlet Oil Feed Line Pipe 3.0 TDI 059145736G
€23.95
Free delivery: Jul 30 – Aug 3
If paid before 14:00
Part no. 8K0819011C
Audi A4 S4 8K A5 8T Electric Auxiliary Heater Matrix Element Unit 8K0819011C
€23.95
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 5Q0121407G
Audi A3 8V Expansion Tank Header Coolant Reservoir Bottle 5Q0121407G
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 4G0317818S
Audi A7 4G Oil Pipe Line Tube Hose Automatic Gearbox Transmission 4G0317818S
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-15%
Part no. 06F115397H
Audi A4 B7 VW Golf Mk6 Oil Filter Housing Oil Cooler 2.0 Petrol 06F115397H
Promo price
€32.95
€28.01
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 06H121492D
Audi A5 8T 2.0 TFSI Turbine Cooling Hose Pipe Hose Line 06H121492D
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-15%
Part no. 059145771AQ
Oil Hose Audi A6 C7 Q5 8R Turbine Cooling Pipe Line 059145771AQ
Promo price
€37.95
€32.26
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 03L117021C
Audi Volkswagen Seat Skoda Diesel Oil Filter Housing Oil Cooler 03L117021C
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-15%
Part no. 8W0121405F
Audi A5 F5 Expansion Coolant Tank Bottle 8W0121405F
Promo price
€28.95
€24.61
Free delivery: Jul 30 – Aug 3
If paid before 14:00
Part no. 06D117021C
Audi S3 8P 2.0 TFSI Engine Oil Radiator Cooler Unit 06D117021C
€28.95
Free delivery: Jul 30 – Aug 3
If paid before 14:00
Part no. 4F0121403M
Audi A6 C6 Coolant Expansion Tank Reservoir Bottle Tank 4F0121403M
€23.95
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 8K0121405F
Audi A4 S4 8K A5 S5 8F 8T Radiator Expansion Tank Coolant Reservoir 8K0121405F
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 06L145778H
Audi A5 8T Oil Feed Hose Pipe Line 2.0 TFSI Petrol Engine 06L145778H
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
Part no. 06K103495AG
Audi A3 8V Q3 8U Engine Oil Separator Breather Petrol 2.0 TFSI CULB 06K103495AG
€28.95
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
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: Jul 30 – Aug 3
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: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 06J121497J
Audi TT 8J Turbine Lubrication Inlet Oil Feed Line Pipe 06J121497J
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 8T0820679
Audi A4 B8 A5 8T Expansion Valve Air Conditioning Regulator 8T0820679
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
Part no. 4F0121403C
Audi A6 C6 A6 S6 4F Coolant Header Tank Reservoir Expansion Bottle 4F0121403C
€23.95
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 06K145778K
Audi Q3 2.0 TFSI CULB Oil Pipe Line Tube Hose 06K145778K
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 03C121050P
Audi A1 8X Oil Cooler Water Pipe 1.4 TSI Engine 03C121050P
Promo price
€23.95
€22.75
Free delivery: Jul 30 – Aug 3
If paid before 14:00
Part no. 03G145771Q
Audi A3 8P Diesel Engine Supply Feed Oil Hose Line Tube Pipe 03G145771Q
€37.95
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-15%
Part no. 06H145771
Audi A4 B8 Turbocharger Oil Feed Tube Pipe Line Hose 1.8 TFSI Petrol 06H145771
Promo price
€32.95
€28.01
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-15%
Part no. 4G0121403J
Audi A7 4G8 3.0 TDI CZVA Coolant Overflow Expansion Tank Bottle 4G0121403J
Promo price
€32.95
€28.01
Free delivery: Jul 30 – Aug 3
If paid before 14:00
Part no. 06K103495BL
Audi A3 8V A4 B9 Engine Oil Separator Breather Petrol 2.0 TFSI DNUE 06K103495BL
€37.95
Free delivery: Jul 30 – Aug 3
If paid before 14:00
-5%
Part no. 03G145771J
Audi A3 8P 1.9 TDI BLS Diesel Turbo Feed Oil Pipe Line Inlet Hose 03G145771J
Product currently unavailable
Part no. 059145736D
Audi A5 8T Turbine Lubrication Inlet Oil Feed Line Pipe 059145736D
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. 06M103515F
Oil Separator Audi S4 B9 S5 5F 3.0 TFSI V6 Breather Valve 06M103515F
Product currently unavailable
Part no. 8K0121405N
Audi A5 S5 8T Expansion Tank Header Coolant Reservoir Bottle 8K0121405N
Product currently unavailable
Part no. 4L0117335F
Audi Q7 4L Radiator Air Duct Air Guide Frame Bracket Front Left N/S 4L0117335F
Product currently unavailable
Part no. 06H121497A
Audi A5 8T Turbine Cooling Hose Line Pipe 06H121497A
Product currently unavailable
Part no. 06A145735AA
Audi TT 8N 1.8T AUM Turbo Oil Return Pipe Hose Line Tube 06A145735AA
Product currently unavailable
Part no. 8N0422885F
Audi TT 8N Low Pressure Return Power Steering Pipe Line 3.2 Petrol 8N0422885F
Product currently unavailable
Part no. 5N0011031B
Audi Q3 8U Lifting Jack Car Tool Emergency Wheel Lift 5N0011031B
Product currently unavailable
Part no. 4G0121403AC
Expansion Tank Audi A6 C7 Overflow Coolant Fluid Reservoir Bottle 4G0121403G
Product currently unavailable
Part no. 8V0121407
Audi RS4 B8 Header Coolant Expansion Overflow Reservoir Tank Bottle 8V0121407
Product currently unavailable
Part no. 079117315D
Audi RS4 B8 Engine Oil Cooler Pressure Line Pipe Hose 4.2 FSI 079117315D
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. 8K0121405M
Audi A5 8T Expansion Tank Header Coolant Reservoir Bottle 8K0121405M
Product currently unavailable
Part no. 05E103495AT
Audi Q2 GA 25 TFSI Oil Separator Breather Hose 05E103495AT
Product currently unavailable
Part no. 8E0317818AC
Audi A6 C6 Gearbox Oil Cooler Hose Pressure Line Automatic 2.0 TDI 8E0317818AC
Product currently unavailable
Part no. 06H115251M
Audi A5 8T 2.0 TFSI CDNB Oil Suction Line Tube Pipe Hose 06H115251M
Product currently unavailable
Part no. 8K0317818DM
Audi A5 8T 3.0 TDI Oil Pipe Line Tube Hose Automatic Gearbox 8K0317818DM
Product currently unavailable
-5%
Part no. 06F129101R
Audi A3 8P TT 8J VW Golf GTI 2.0 TFSI Breather Valve Oil Separator 06F129101R
Product currently unavailable
-5%
Part no. 5Q0121407A
Audi A3 8V Engine Coolant Water Expansion Tank Bottle 5Q0121407A
Product currently unavailable
- 1
- 2
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 the optimal operating temperature of the powertrain. It prevents the engine from overheating and protects against costly failures. In the Global Parts automotive store, you will find a wide selection of used car engine 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, ensuring you find the perfect solutions for your vehicle.
How does the engine cooling system work?
The engine cooling system is a complex system responsible for dissipating excess heat generated during engine operation. Its key components include:
- Fans and fan shrouds – responsible for airflow and cooling the radiator.
- Cooling system pipes and hoses – transport coolant between individual system components.
- Water radiators – key components responsible for absorbing heat from the engine and dissipating it.
- Thermostats and cooling system housings – regulate coolant flow, maintaining optimal engine temperature.
- Water pumps – drive the coolant circulation, enabling effective engine cooling.
- Oil coolers and lines – help maintain optimal oil temperature, reducing its degradation.
- Expansion tanks – responsible for maintaining the correct coolant level and compensating for liquid volume changes.
- Covers – protective elements of the cooling system, increasing its durability.
- Clamps and mounting parts – enable stable attachment of cooling system components.
- Fan blades – support cooling by increasing airflow.
- Fan clutches – regulate fan rotational speed depending on engine temperature.
- Fan and blower motors – responsible for fan operation, ensuring proper cooling.
- Temperature sensors – monitor engine and coolant temperature, sending information to the controller. All these components work together to ensure the engine has a stable operating temperature, protecting it from overheating or excessive cooling.
Construction and purpose of engine cooling
Engine cooling is a group of parts responsible for absorbing, transporting, and dissipating heat from the powertrain. This system is located in the engine compartment and includes, among others, the radiator, hoses, thermostat, water pump, fan, and expansion tank. Its task is to maintain the operating temperature regardless of load, ambient temperature, and driving conditions.
Comparison of cooling system component types
| Component type | Main function | What to check when selecting |
|---|---|---|
| Radiator | Dissipating heat from fluid to air | OEM number, core dimensions, connector type, presence of sensor or switch port |
| Fan with shroud | Forcing airflow at low speeds and when stationary | Rotor diameter, number of pins, control type, mounting points |
| Thermostat with housing | Regulating fluid circulation between small and large circuits | OEM number, opening temperature according to manufacturer, housing shape, seal type |
| Pipe or hose | Connecting components and transporting coolant | Pipe profile, end diameter, quick-connectors, mounting location |
Cooling system parameters in cars
The cooling system in a passenger car operates in a temperature range from 85°C to 105°C, depending on the vehicle model and manufacturer specifications. Modern radiators are most often made of aluminum, which provides better thermal conductivity and lower weight. Coolant flow requires appropriate pressure – usually from 0.9 to 1.5 bar – which is maintained by the expansion tank cap. Correct operating parameters of this system are crucial for maintaining the efficiency of the entire engine.
Why is it worth taking care of the engine cooling system?
Regular maintenance and replacement of worn cooling system components are the basis for long and reliable engine operation. A neglected system can lead to:
- Engine overheating, which increases the risk of serious damage.
- Coolant leaks, which can reduce cooling efficiency.
- Higher repair costs resulting from failures caused by a faulty system. At Global Parts, we offer original used car parts that undergo detailed quality tests, ensuring their reliability.
The importance of fluid flow and component cooperation
Coolant circulation is used to transport heat from the engine block to the radiator, where energy is released into the environment. In practice, this means the cooperation of the water pump, thermostat, hoses, and fan, as well as often elements from the Air conditioning and heating systems and Automotive electrical systems departments. When choosing a component such as a BMW E90 fan, it is worth comparing the OEM number, number of pins, rotor diameter, and housing type.
Most common cooling system elements and their roles
| System element | Function | Typical failure symptoms |
|---|---|---|
| Radiator | Dissipating heat from fluid | Fluid leak, temperature rise |
| Water pump | Coolant circulation | Loud operation, engine overheating |
| Thermostat | Regulating fluid flow | Too slow heating or rapid overheating |
| Temperature sensor | Monitoring temperature | Incorrect readings, computer error |
| Fan | Forcing airflow | No cooling when stationary |
How to choose the right cooling system parts?
When deciding to purchase parts for the cooling system, it is worth paying attention to several key factors:
- Matching the vehicle model – Each car make and model has its own technical specifications. At Global Parts, you will find parts dedicated to BMW, Audi, Volkswagen, Mercedes, Mini, and many others.
- 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 radiators, intercoolers, or those dedicated to sports vehicles.
Selecting parts by OEM, engine version, and mounting location
An auxiliary pump, thermostat housing, or fan may differ in connector, pipe diameter, control method, and position in the engine compartment. If you are looking for a component such as an auxiliary water pump for BMW E87, you should compare the OEM number, flow direction, electrical plug type, and compatibility with a specific equipment version. If you are completing a larger repair, the article Comprehensive supply: From engine to the smallest clip – how to collect used car parts in one place? may also be helpful.
Compatibility examples
When choosing cooling system parts, it is worth paying attention to compatibility with other components. For example, a radiator for a BMW 3 Series (E46) may be matched to several engine variants – both petrol and diesel – however, the water pump will have different catalog numbers depending on the unit capacity. Similarly, in the Audi A4 B8, several types of thermostats were used, differing in opening temperature range (from 87°C to 95°C).
Why choose used cooling system parts?
Car parts for the cooling system are a solution that allows you to combine high quality with savings. Why is it worth considering them?
- Lower costs – Used radiators, water pumps, and thermostats are significantly cheaper than new ones but offer equally high quality.
- Ecology – By choosing used auto parts, you support recycling and reduce the amount of automotive waste.
- Wide range – We offer parts for the most popular car brands, making it easy to find components suitable for your car.
How to take care of the engine cooling system?
To ensure your cooling system works efficiently for a long time, it is worth remembering a few rules:
- Regularly check the level and quality of the coolant – contaminated or low fluid levels can lead to engine overheating.
- Check the condition of the radiator and hoses – leaks or damage can reduce cooling efficiency.
- Replace the coolant according to the manufacturer's recommendations – this is key to keeping the system in perfect condition. If you notice any problems, at Global Parts you will find suitable used auto parts that will help restore your vehicle to full efficiency.
Failure symptoms and installation practice
A radiator is a heat exchanger mounted at the front of the car, usually behind the grille and in front of the engine, which works with the fan and fluid hoses. Its effectiveness depends not only on tightness but also on the patency of the core, the condition of the mounts, and proper bleeding of the entire system. In the case of parts such as a Mini Cooper radiator, you need to check the arrangement of mounts, body version, presence of connections, and compatibility with elements from the Intake and fuel system and Engines and parts departments.
FAQ
| Question | Answer |
|---|---|
| What is the construction and purpose of engine cooling? | Engine cooling is a set of parts responsible for maintaining the proper operating temperature of the powertrain. A typical system consists of a radiator, water pump, thermostat, hoses, fan, sensors, and an expansion tank. These elements are located mainly in the engine compartment and connected by a coolant circuit. |
| What is engine cooling used for? | Engine cooling is used to absorb excess heat from the block and cylinder head and to stabilize the operating temperature during driving and when stationary. An efficient system limits the risk of overheating and also affects the proper operation of the heater, fan, and control sensors. Without proper cooling, engine performance may drop, and cooperating components may fail. |
| What role does the expansion tank play in the cooling system? | The expansion tank is a cooling system element that absorbs fluid volume changes resulting from temperature increases and decreases. It is used to maintain the correct fluid level and works with a pressure cap that stabilizes the system's operating conditions. Fluid levels and the condition of return hoses are often checked within its vicinity. |
| How to choose a cooling system part for a specific car version? | It is safest to compare the OEM number, engine version, body type, and mounting location. It is also worth checking the number of pins in the plug, pipe diameter, mounting type, and the presence of additional sensors. For parts such as a fan or auxiliary pump, the control method also matters. |
| What symptoms indicate cooling system problems? | Typical symptoms include rising engine temperature, fluid leaks, the fan not turning on, steam from under the hood, or the unit taking too long to warm up. In some cars, temperature sensor errors or weaker interior heating also appear. Symptoms should be analyzed in conjunction with the operation of the thermostat, water pump, and hose tightness. |
| What to pay attention to when installing engine cooling parts? | After installation, you must check the tightness of connections, correct seating of mounts, and the condition of seals. It is also important to top up with the correct fluid and bleed the system according to the manufacturer's procedure. In the case of electrical parts, you should additionally verify the plugs, wiring harness, and fan control operation. |
Summary: engine cooling at the Global Parts automotive store
The engine cooling system is the foundation of every vehicle's reliability. By taking care of its proper operation, you ensure your engine has an optimal operating temperature, extend its lifespan, and prevent costly failures. At Global Parts, you will find engine cooling parts matched to many car models and versions, including brands such as BMW, Audi, Volkswagen, Mercedes, Mini, and others. We invite you to contact us – we are here to help you! For more information and interesting facts, we also invite you to visit our automotive blog.