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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Range Rover L322 Oil Cooler Bracket Mount Holder Support 7H42-9B325-AA

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7637024

BMW i3 I01 60Ah Rex Hybrid Auxiliary Water Pump Hose Coolant Pipe Line 7637024

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A4539064300-2

Smart A453 Engine Cooling Coolant Radiator Fan Shroud Blades A4539064300

£56.95

Free delivery: Sep 08

If paid before 14:00

Part no. 3M5H-8100-AD

Ford Transit Mk7 Cooling Fluid Bottle Reservoir Cap 8V218K218

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 07K121109

Audi RS3 8P Water Coolant Pipe Hose Line 2.5 TFSI 07K121109

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 1K0998262AA

Audi A8 D3 A6 C6 Exhaust Gas Temperature NOX Lambda Probe Sensor 1K0998262AA

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. JHB501461

Land Rover Discovery L319 Water Pipe Coolant Hose Line JHB501461

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8K0121405F

Audi A4 S4 8K A5 S5 8F 8T Radiator Expansion Tank Coolant Reservoir 8K0121405F

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 982121533D

Porsche Boxster 982 Coolant Water Hose Breather Pipe Line 982121533D

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8J0121212A

Audi RS3 8P TT RS 8J 2.5 TFSI Auxilliary Water Coolant Radiator 8J0121212A

£227.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8662835

Water Radiator Pipe BMW F23 F32 F36 Hose Coolant Cooling Line 8662835

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4G0145909B

Audi A4 B8 A5 8T 2.0 TDI Water Coolant Pipe Hose Line 4G0145909B

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 03C121111P

Volkswagen Touran 1T Water Coolant Thermostat Housing 03C121111P

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 03N117021A

Audi A4 B8 Oil Cooler Cooling Unit 2.0 TDI Diesel Engine 03N117021A

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 079121070BS

AUDI S5 8T 4.2 Petrol CAUA Coolant Pipe Right O/S Cooler Water Hose 079121070BS

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 06E121161BB

Audi A5 8T 3.0 TFSI V6 Engine Coolant Flange Housing Cover Trim 06E121161BB

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6512030882

Coolant Hose Mercedes W204 Diesel OM651 EGR Cooler Valve Line A6512030882

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 6R0122051BR

Water Hose Audi A1 S1 8X 2.0 Cooling Radiator Coolant Pipe Line 6R0122051BR

£56.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2478303601-1

Water Line Mercedes W177 Diesel OM608 Heater Return Hose To Engine A2478303601

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. 1K0122051FE-1

Audi A3 8P TT 8J MK2 Water Hose Cooling Coolant Radiator Pipe Line 1K0122051FE

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. K8D2-8K218-AB

Range Rover Evoque L551 Expansion Tank Bottle Reservoir 2.0 Diesel K8D2-8K218-AB

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8E0317826T

Audi A4 B7 Gearbox Oil Cooler Pressure Line Pipe Hose 2.0 TFSI Petrol 8E0317826T

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. 982121455

Porsche Boxster 982 Coolant Water Hose Pipe Cooling Breather Line 982121455

£61.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8482250

Water Pump BMW X3 G01 G20 G30 Engine Coolant Pump 8482250

£42.95

Free delivery: Sep 08

If paid before 14:00

Part no. 98710627002

Porsche Cayman 987 Coolant Hose Feed Pipe Line Tube 98710627002

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4G0145910B

Audi A4 B8 A5 8T 2.0 TDI Water Coolant Pipe Hose Line 4G0145910B

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2720700535

Fuel Line Hose Mercedes W204 W211 W212 M272 DE35 High Pressure Pipe A2720700535

£151.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7636409

Coolant Pipe BMW i3 I01 Rex Hybrid Radiator Cooler Water Hose Line 7636409

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7645520

Coolant Hose BMW F45 Mini F60 B38X Radiator Water Feed Line Hybrid 7645520

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2045040440

Oil Cooler Bracket Mercedes W204 W207 Heat Exchanger Mount Holder A2045040440

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2118301396

Water Hose Mercedes W211 CLS W219 M272 Cooling Coolant Pipe Line A2118301396

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2515000503

Mercedes W164 Coolant Radiator M251 Petrol Engine Cooling Unit A2515000503

£94.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2468303096

Water Hose Mercedes W176 W246 M270 Coolant Cooling Pipe Line A2468303096

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 06M121085H

Audi A4 S4 B9 VW Touareg Water Coolant Pipe Hose Line 06M121085H

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1695010165

Mercedes W245 Oil Cooling Line Pipe Thermostat A1695010165

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2740980539

Mercedes W213 Charge Air Cooler Bracket Strut Mount A2740980539

£13.95

Free delivery: Sep 08

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Part no. A4535000103

Smart A453 Engine Coolant Cooling Radiator 0.9 Petrol Engine A4535000103

£42.95

Free delivery: Sep 08

If paid before 14:00

Part no. 99110676703

Porsche Boxster 982 Coolant Water Hose Pipe Cooling Breather Line 99110676703

£47.95

Free delivery: Sep 08

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Part no. 5A05704

BMW E90 E92 F01 F10 F12 Auxiliary Water Pump Engine N54 N55 Petrol 5A05704

£142.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9646559580

Ford Mondeo Mk4 Kuga Mk1 Galaxy Mk2 Coolant Pipe Hose Flange 2.0 TDCi 9646559580

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 05E121497A

Volkswagen Golf CD1 Coolant Pipe Turbocharger Flow Line Hose Pipe 05E121497A

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4G0121081EJ

Audi A7 Sportback 4G Coolant Hose Pipe 3.0 TDI Diesel 4G0121081EJ

£13.95

Free delivery: Sep 08

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Part no. RHD-8W2122109E

Water Cooling Hose Audi A4 B9 A5 F5 Radiator Coolant Pipe Line 8W2122109E

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 03L121157AK

Audi A4 S4 8K A5 S5 8F Engine Water Coolant Hose Tube Pipe Line 03L121157AK

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2048306496

Cooling Line Mercedes W204 C207 M276 Engine Water Hose A2048306496

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. RHD-4H2820195E

Audi A8 D4 Heater Coolant Hose Pipe Line Mount Bracket Holder 4H2820195E

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9367389

BMW F45 Active Tourer Mini F60 B38X Water Coolant Return Hose Pipe 9367389

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 1487291

Ford Fiesta ST Mk5 Thermostat Coolant Hose Line Tube Pipe 1487291

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8053482

Cooling Hose BMW X3 F97 X4 F98 Mounting Transmission Oil Pipe Line 8053482

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8610655

Expansion Tank BMW G11 G12 G30 G31 G32 Coolant Overflow Reservoir Bottle 8610655

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 99610622554

Porsche Boxster 986 Engine Coolant Water Pipe Breather Hose Left N/S 99610622554

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8R0819376T

Porsche Macan 95B Water Coolant Pipe Hose Cooling Line 8R0819376T

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8627309

BMW X5 F15 Water Hose Coolant Cooling Tube Pipe Line 8627309

£56.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4F0121251AE

Audi A6 C6 FL Water Hose Radiator Coolant Cooling 4F0121251AE

£75.95

Free delivery: Sep 08

If paid before 14:00

Part no. RHD-03L906088DB

Seat Ibiza Mk4 Audi A1 8X Diesel Engine Exhaust Temperature Sensor 03L906088DB

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. BV61-8C607-SC

Ford Focus Radiator Fan Cooler Blower Fan 1.0 GTDI BV61-8C607-SC

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. RHD-A4535013682

Smart Fortwo A453 Radiator Coolant Cooling Water Pipe Hose Petrol A4535013682

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2702002400

Mercedes W176 Water Cooling Coolant Pipe Hose Line 1.6 Petrol A2702031582

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8W2819350L

Audi A4 S4 B9 A5 F5 Engine Water Coolant Hose Pipe Line 2.0 TFSI 8W2819350L

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 03C121121B

Volkswagen Polo 6R Coolant Thermostat Housing Cover 03C121121B

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 420115373B

Audi R8 4.2 V8 Petrol Engine Coolant Oil Tank Reservoir Storage 420115373B

£180.95

Free delivery: Sep 08

If paid before 14:00

Part no. K8D2-14D550-AC

Range Rover Evoque L551 EV Battery Cooler Cooling Fan K8D2-14D550-AC

£70.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9367388

BMW F45 Active Tourer Mini F60 B38X Water Coolant Return Hose Pipe 9367388

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 95B122101B

Porsche Macan 95B Radiator Water Coolant Pipe Hose Cooling Line 95B122101B

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5QD121407H

Skoda Octavia 5E Water Coolant Overflow Reservoir Bottle Tank 5QD121407H

£23.95

Free delivery: Sep 08

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Part no. 6N0121201

Volkswagen Polo 6N Water Radiator Coolant Engine Cooler 6N0121201

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2038322794

Mercedes W203 A209 C209 Coolant Rubber Hose Expansion Tank Pipe A2038322794

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. PIB500120T

Range Rover Sport L320 Oil Cooler Coolant Radiator 2.7 V6 PIB500120T

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8W0122449AS-1

Audi A4 S4 A5 S5 F5 Radiator Coolant Hose Tube Pipe Line 8W0122449AS

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2052700403

Mercedes W205 Gearbox Transmission Oil Cooling Pipes Hoses Lines A2052700403

£142.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7644804

BMW F20 F21 F30 F31 LCI F32 Support Bracket Water Pump Petrol B38 7644804

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6082000152

Mercedes W177 OM608 Diesel Engine Coolant Cooling Pipe Line Hose A6082000152

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. rhd-9367390

Water Hose BMW F45 Mini F60 B38X Engine Cooling Coolant Pipe 9367390

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2055010700

Mercedes W205 Water Hose Engine Cooling Coolant Pipe Part A2055010700

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5Q0121205D

Seat Leon 5F III Audi A3 8V 2.0 TDI Radiator Fan Shroud Motor 400W 5Q0121205D

£104.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8475686

BMW i4 G26 Water Hose Radiator Coolant Cooling Tube Pipe Line 8475686

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5S6Y-8K218-AB

Ford Fiesta Mk5 Water Coolant Expansion Tank Bottle Reservoir 5S6Y-8K218-AB

£66.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6510780784

Heat Exchanger Bracket Mercedes W204 W212 OM651 Oil Cooler Mount A6510780784

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 6N0959455Q

Volkswagen VW Polo 6N V Engine Cooling Coolant Radiator Fan Shroud 6N0959455Q

£56.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8490100

BMW G20 Water Pump Cooling Coolant Pipe Line Hose 8490100

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 06F121011

Audi A4 B7 Water Coolant Pump Engine Cooling Unit 2.0 Petrol 06F121011

£56.95

Free delivery: Sep 08

If paid before 14:00

Part no. 03D121005

Mechanical Water Pump Volkswagen Polo 6R Engine Coolant Unit Pump 03D121005

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 04L906088CH

Audi A1 8X 1.6 TDI Diesel Exhaust Gas Temperature Sensor 04L906088CH

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. R6422011110

Mercedes W207 OM642 Diesel Engine Auxiliary Cooling Water Pump R642201110

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. LR001311

Land Rover Evoque L538 Water Hose Tube Line Pipe By-Pass 2.2 Diesel LR001311

£66.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8472111

BMW F40 G20 G21 G30 X3 G01 Mini F55 F56 F60 Coolant Thermostat Housing 8472111

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2055018984

Mercedes W205 Water Pipe Radiator Cooling Coolant Hose A2055018984

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9249616

Coolant Hose BMW X3 F25 X4 F26 Diesel Heater Water Return Pipe Line 9249616

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 98662403601

Porsche Cayman 987C Engine Compartment Fan Cooling Blower Fan GATE 98662403601

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A4535012482

Smart A453 Radiator Coolant Hose Pipe Line A4535012482

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 1384597

Ford Transit Mk7 Engine Cooling Hose Tube Pipe Line 1384597 6C11-8C351-AD

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Part no. 1C9121321

Audi Q7 4L Volkswagen Touareg 7L Coolant Reservoir Expansion Tank Cap 1C9121321

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8053467

BMW X3 F97 X4 F98 Charge Air Cooler Coolant Hose Pipe 8053467

£61.95

Free delivery: Sep 08

If paid before 14:00

Part no. 99110675203

Porsche 718 Boxster 982 Engine Water Coolant Pipe Hose 2.0T 99110675203

£42.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8W0819332D

Audi A4 B9 A5 F5 Water Hose Engine Cooling Coolant Pipe Line Diesel 8W0819332D

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 04L121101

Volkswagen Passat B8 Coolant Water Hose Pipe 2.0 TDI 04L121101

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 6752034

BMW X5 Series E53 Expansion Tank Diesel Fuel Supply 16116752034 6752034

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2055012100

Mercedes W205 Coolant Hose Cooling Pipe Water Line A2055012100

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4H0121055AB

Audi A8 D4 3.0 Diesel Coolant Return Line Tube Pipe Hose Right O/S 4H0121055AB

£32.95

Free delivery: Sep 08

If paid before 14:00

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