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.

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.

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Ford Transit Custom Coolant Hose Cooling Pipe Line Diesel BK21-18K579-BD

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 3C0121087A

Volkswagen Passat B7 Radiator Coolant Hose Pipe 2.0 TDI 3C0121087A

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 6996849

BMW G26 Bracket Console Cover Support Mount Air Grille Rear Trim 6996849

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 1768594

Ford Focus Mk3 Radiator Cooling Fan Shroud Assembly 1.6 TDCI CV61-8C607-EB

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5K0121251F

Audi A3 8P TT 8J Coolant Radiator Engine Cooling Unit Petrol Engine 5K0121251F

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. A0995040918

Mercedes W166 X166 C292 Cooler Frame Radiator Mount Holder Bracket A0995040918

£66.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8K0121207A-3

Audi A4 B8 Diesel Engine Cooling Radiator Double Coolant Fan Motor 8K0121207A

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 2284880

Expansion Tank BMW F10 M5 Radiator Coolant Overflow Fluid Bottle F12 M6 2284280

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 03L121157-1

Audi A4 B8 A5 8T A6 C6 Water Coolant Pipe Hose Line 2.0 TDi Diesel 03L121157

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 03C121070D

Audi A3 8P Water Pipe Hose Line Engine Cooling Coolant Unit Hose 03C121070D

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7546064-1

BMW E60 E61 E63 E64 Petrol N52 Coolant Hose Radiator Top Water Line 7546064

£18.95

Free delivery: Sep 08

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Part no. A1665003975

Mercedes W166 ML63 AMG Water Coolant Pipe Hose Line A1665003975

£28.95

Free delivery: Sep 08

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Part no. 8674895

Mini Cooper R60 Coolant Cooling Thermostat Housing N16 N18 Engine 8674895

£28.95

Free delivery: Sep 08

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Part no. 03L121121A

VW Volkswagen Touran 1T1 Passat 2.0 TDI BKD BMP Coolant Flange Pipe 03L121121A

£13.95

Free delivery: Sep 08

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Part no. A2475062800-2

Mercedes W177 Water Hose Coolant Cooling Tube Hose Pipe Line A2475062800

£89.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1645000593-1

Mercedes W164 Radiator Fan Shroud Engine Cooling Unit A1645000593

£170.95

Free delivery: Sep 08

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Part no. 7573264

Radiator Bracket Mount BMW F10 F11 N52N N53 Module Carrier Frame 7573264

£75.95

Free delivery: Sep 08

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Part no. 5Q0121407D-1

Audi A3 8V Expansion Tank Header Coolant Reservoir Bottle 5Q0121407D

£13.95

Free delivery: Sep 08

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Part no. 8475693

BMW i4 G26 Battery Coolant Cooling Hose Tube Pipe Line EDH Kit Set 8475693

£94.95

Free delivery: Sep 08

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Part no. rhd-A2138300403

Mercedes W213 Heat Exchanger Water Coolant Hose Pipe Line A2138300403

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A4535011582

Smart ForTwo C453 Engine Water Coolant Pipe Hose Line A4535011582

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6541410040

Mercedes W907 Intercooler Charge Air Cooler Bracket Holder Support A6541410040

£18.95

Free delivery: Sep 08

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Part no. A6072000315

Mercedes W176 OM607 Diesel Coolant Thermostat Cooling Unit 110609813R

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 6905317

BMW 3 Series E46 Hose Radiator Flow Water Heater Pipe Line 6905317

£13.95

Free delivery: Sep 08

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Part no. 7604545

BMW F20 F21 F30 F31 N55 Thermostat Coolant Pipe Hose Line 7604545

£61.95

Free delivery: Sep 08

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Part no. LR048176-1

Range Rover L405 Engine Cooling Radiator Fan 4.4 Diesel LR048176

£132.95

Free delivery: Sep 08

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Part no. XS4U8512BA

Ford Mondeo MK4 Focus MK2 1.8 TDCi Diesel Water Coolant Pump XS4U-8512-BA

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. 6R0121101K

VW Volkswagen Polo 6R 5 Water Hose Radiator Coolant Cooling Pipe Line 6R0121101K

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7617611

Mini F55 F56 F57 Cooper S JCW Petrol Radiator Rad Fan Shroud Cooler 850W 7617611

£237.95

Free delivery: Sep 08

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Part no. A2055011900

Mercedes W205 M274 Coolant Hose Radiator Engine Water Cooling Line A2055011900

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9292733

BMW i3 I01 Water Coolant Cooling Hose Return Pipe Line 9292733

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A4535011024

Smart ForTwo C453 Engine Water Coolant Pipe Hose Line A4535011024

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7C0121096

Volkswagen Crafter SY Water Coolant Hose Pipe Line 7C0121096

£28.95

Free delivery: Sep 08

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Part no. 8R0121086A

Audi Q5 8R 3.0 TDI Water Hose Cooling Radiator Coolant Pipe Line 8R0121086A

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8E0265381

Audi A3 8V 35 TDI Water Coolant Pipe Hose Line 8E0265381

£18.95

Free delivery: Sep 08

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Part no. 99662403502

Porsche Boxster 986 Radiator Fan Engine Cooling Bosch 2.7 Petrol 99662403502

£61.95

Free delivery: Sep 08

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Part no. 6R0122101G

Volkswagen Polo GTI 6R Engine Water Coolant Hoses Pipes 1.4 TSI CAVE 6R0122101G

£56.95

Free delivery: Sep 08

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Part no. 8K0121003AG-1

Audi A6 C7 Radiator Cooling Fan Shroud Housing 1.8 TFSI Petrol 8K0121003AG

£94.95

Free delivery: Sep 08

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Part no. 110615482R

Renault Trafic III Opel Vivaro B 1.6 DCi Thermostat Coolant Housing 110615482R

£47.95

Free delivery: Sep 08

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Part no. 8K1819350AB

Audi A4 B8 A5 8T Heater Matrix Connecting Pipe Coolant Hose Tube 8K1819350AB

£13.95

Free delivery: Sep 08

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Part no. A2662050010-1

Water Pump Pulley Mercedes W169 W245 M266 Petrol Engine Pulley A2662050010

£13.95

Free delivery: Sep 08

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Part no. A1778856402-1

Mercedes W177 Air Intake Panel Lower Radiator Air Intake Duct A1778856402

£104.95

Free delivery: Sep 08

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Part no. 7526824-3

Radiator Pack BMW E60 E61 520i 525i 530i M54 400W Engine Cooling Fan Shroud

Product currently unavailable

Part no. 9475682

BMW i4 G26 Gran Coupe Water Hose Radiator Coolant Tube Cooling Pipe Line 9475682

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9292728

BMW i3 I01 Water Coolant Cooling Hose Supply Pipe Line 9292728

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2055013391

Mercedes W205 Water Coolant Return Pipe Hose Line A2055013391

£51.95

Free delivery: Sep 08

If paid before 14:00

Part no. 70438605

Additional Water Pump Peugeot 308 508 Diesel Engine Coolant Unit 7.04386.05

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. LR076780

Land Rover Discovery Sport L550 Water Coolant Hose Pipe Tube Line G4D3-8A512-CB

£66.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7583836

BMW F10 F11 F01 F25 N52N N53 Coolant Electrical Water Pump 7583836

£89.95

Free delivery: Sep 08

If paid before 14:00

Part no. 06F121492B

Volkswagen Golf GtI 1K Audi A3 8P Engine Coolant Hose Tube Line Pipe 06F121492B

£156.95

Free delivery: Sep 9 – 16

If paid before 14:00

Part no. M8A2-8B505-CB

Range Rover Velar L560 Water Coolant Hose Pipe Line 2.0 Diesel M8A2-8B505-CB

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8R0121101G

Audi A4 B8 A5 Water Coolant Hose Pipe Line 8R0121101G

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 059121008

Audi A6 C7 A7 4G SQ5 8R 3.0 TDI CGQB Coolant Water Pump Unit 059121008

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 1476110

Ford Focus Mk2 Fiesta Mk5 C-Max Mk1 Thermostat 1.8 2.0 Petrol 4M5G-8575-FC

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6511800665-1

Mercedes W204 W212 Heat Exchanger Oil Cooler Transmission Radiator A6511800665

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9475681

BMW i4 G26 Gran Coupe Water Hose Radiator Coolant Tube Cooling Pipe Line 9475681

£42.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5Q0122051B

Skoda Octavia 5E Audi A3 8V VW Golf VII Water Coolant Hose Pipe Line 5Q0122051B

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7646703

BMW X5 F15 40eX N20 Hybrid Radiator Coolant Pipe Water Hose Line 7646703

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 6R0919501

Audi A1 8X Volkswagen Polo 6R Seat Ibiza 6J Temperature Sensor Coolant 6R0919501

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 07K121111C

Audi RS3 8V Engine Coolant Thermostat Housing 2.5 TFSI DAZA 07K121111C

£284.95

Free delivery: Sep 9 – 16

If paid before 14:00

Part no. A4155010282

Mercedes W415 Water Hose Coolant Cooling Pipe Line A4155010282

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2385010301

Mercedes C238 E400d OM654 Coolant Radiator Hose Pipe Water Line A2385010301

£42.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7L8121065R

Audi Q7 4L 3.0 Diesel Engine Coolant Hose Line Tube Pipe 7L8121065R

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. LR001264

Land Rover Freelander 2 L359 Engine Breather Pipe Hose 2.2 Diesel 6G9Q-6A664-BA

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8MK376713791

Porsche Boxter 986 2.7 Petrol Water Coolant Radiator 8MK376713791

£51.95

Free delivery: Sep 08

If paid before 14:00

Part no. 95510621200

Porsche Cayenne 955 9PA 3.0 TDI Engine Coolant Cooling Radiator 95510621200

£146.95

Free delivery: Sep 08

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Part no. 1K0121367P

Seat Ibiza 6J VW Volkswagen Polo 6R Radiator Mount Support Carrier 1K0121367P

£18.95

Free delivery: Sep 08

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Part no. 8K0122101J

Audi A4 B8 A5 8T Heater Water Cooling Coolant Pipe Hose Line 3.0 TFSI 8K0122101G

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6395015782

Mercedes W639 OM642 Water Hose Radiator Cooling Coolant Pipe Line A6395015782

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4H0959455AD-1

Audi A6 C7 Radiator Fan Shroud Coolant Unit Cover Left N/S 4H0959455AD

£37.95

Free delivery: Sep 08

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Part no. 7P6121201L

Porsche Cayenne 92A Radiator Pack Frame Surround Trim Panel 7P6121201L

£47.95

Free delivery: Sep 08

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Part no. 982121251

Porsche 718 Boxster 982 Radiator Air Duct Cover Panel Right O/S 982121251

£113.95

Free delivery: Sep 9 – 16

If paid before 14:00

Part no. 8K0121405H

Audi A4 S4 B8 A5 8T Coolant Expansion Tank Overflow Reservoir 8K0121405H

£23.95

Free delivery: Sep 08

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Part no. 4F0145943M

Audi A6 C6 3.0 TDI Diesel Charger Air Hose Pipe Line Tube 4F0145943H 4F0145943M

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1775014300

Bled Line Mercedes W177 OM608 Diesel Low Temperature Expansion Tank A1775014300

£23.95

Free delivery: Sep 08

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Part no. rhd-A2385019800

Mercedes W213 C238 OM654 Radiator Coolant Cooling Hose Pipe Line A2385019800

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9475680

BMW i4 G26 Water Hose Radiator Coolant Cooling Tube Pipe Line 9475680

£66.95

Free delivery: Sep 08

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Part no. BM51-8314-BC

Ford Focus Mk3 Radiator Cooling Air Deflector Guide Duct Panel BM51-8314-BC

£23.95

Free delivery: Sep 08

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Part no. 4F0121284G

Audi A6 C6 Radiator Air Duct Guide Channel Front Right O/S 2.0 TDI 4F0121284G

£13.95

Free delivery: Sep 08

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Part no. 7644096

BMW X5 F15 Water Hose Coolant Cooling Tube Pipe Line 7644096

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2742000115

Coolant Hose Mercedes W204 C207 W212 M274 Thermostat Line Pipe A2742000115

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. 059129089

Audi Q7 4L Water Pipe Hose Line Engine Cooling Coolant Unit Hose 059129089

£13.95

Free delivery: Sep 08

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Part no. A2105010515

Mercedes W203 W210 W211 Radiator Expansion Tank Cap A2105010515

£13.95

Free delivery: Sep 08

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Part no. A6082000300

Mercedes W177 OM608 Diesel Engine Coolant Cooling Pipe Line Hose A6082000300

£32.95

Free delivery: Sep 08

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Part no. A1191552835

Mercedes C140 Idler Belt Pulley Water Pump 1191552835

Product currently unavailable

Part no. 5WA121109D

Volkswagen Polo Mk6 AW Water Reservoir Coolant Pipe Hose Line 5WA121109D

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7P0317824

Porsche Cayenne 92A Gearbox Oil Cooler Hose Pipe Line 3.0 TDI 7P0317824

£23.95

Free delivery: Sep 08

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Part no. 7L8122051B

Audi Q7 4L VW Touareg 7L 4.2 TDi Coolant Hose Water Pump Pipe 7L8122051B

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7586779

BMW 5 6 7 E60 E63 E65 740i 550i 650i 740i Coolant Water Pump Thermostat 7586779

£56.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1330900014-1

Mercedes W176 Radiator Intercooler Charge Air Cooler Turbo A45 A1330900014

£113.95

Free delivery: Sep 9 – 16

If paid before 14:00

Part no. 8R0819332N

Audi Q5 8R 2.0 TDI Engine Water Coolant Pipe Hose Line Diesel 8R0819332N

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1332000382

Mercedes W176 Water Hose Heat Exchanger Thermostat Pipe A45 AMG A1332000382

£37.95

Free delivery: Sep 08

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Part no. 4H0121101AC

Audi A8 D4 Radiator Coolant Hose Water Pipe Line 3.0 TDI 4H0121101AC

£23.95

Free delivery: Sep 08

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Part no. 4F0145738F

Audi A6 C6 3.0 TDI Diesel Turbo Charger Intercooler Pipe Hose Duct 4F0145738F

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7L0121253B

Porsche Cayenne 955 VW Touareg 7L Water Cooling Coolant Radiator 7L0121253B

£37.95

Free delivery: Sep 08

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Part no. 7616028

Radiator Mounting BMW i3 I01 Lower Centre Covering Holder Panel 7616028

£47.95

Free delivery: Sep 08

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Part no. 8843815

Additional Water Pump BMW F07 F10 F11 X3 F25 Diesel Engine Coolant Unit 8843815

£23.95

Free delivery: Sep 08

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Part no. 8K0122293AE

Porsche Macan 95 Audi A4 S4 8K A5 S5 8F Thermostat Quick Coupling 8K0122293AE

£13.95

Free delivery: Sep 08

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Part no. 7827842

BMW F10 X5 F15 X6 F16 Coolant Hose Cooling Pipe Water Line 7827842

£13.95

Free delivery: Sep 08

If paid before 14:00

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