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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Water Pump Housing Mercedes Sprinter W906 OM651 Diesel Coolant Pump A6512011509

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. A4155000049

Mercedes Citan W415 OM607 Coolant Expansion Tank Reservoir Bottle 8200455786

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7H32-9N103-AC

Land Rover Range Rover Discovery 4 L319 Front Fuel Cooler Radiator 7H32-9N103-AC

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 6C1Q8250B2B

Ford Transit MK7 2.2 TDCi Diesel Water Pipe Coolant Hose Line 6C1Q-8250-B2B

£28.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7521064

BMW E81 E87 E90 E91 Automatic Transmission Heat Exchanger Oil Cooler

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. A2055002600

Mercedes W205 M264 Coolant Pipe Water Pump Radiator Air Pump Line A2055002600

£28.95

Free delivery: Oct 22

If paid before 14:00

Part no. 2283500

BMW 3 Series E90 E92 E93 M3 LCI Expansion Tank Radiator Petrol 2283500

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 6950780

BMW Z4 Series E85 E86 Compressor Condenser Pressure Hose Pipe 6950780

£28.95

Free delivery: Oct 22

If paid before 14:00

Part no. 8641965-1

BMW F30 F31 F32 Radiator Pack Engine Cooling Fan Shroud N57N 8641965

£42.95

Free delivery: Oct 22

If paid before 14:00

Part no. 6765680

BMW E60 E61 525d 530d 535d Radiator Return Line Hose Pipe 6765680

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. BK21-18K580-BC

Ford Transit Mk8 Water Hose Cooling Coolant Pipe Line BK21-18K580-BC

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 06K109121B

Audi A3 8V TT FV 2.0 TFSI Volkswagen Golf 7 Petrol Water Pump Cover 06K109121B

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 8605434

BMW 1 3 Series F20 F21 F30 F31 LCI Radiator Thermostat Hose 17128605434 8605434

£28.95

Free delivery: Oct 22

If paid before 14:00

Part no. A6402020211

Mercedes W169 W245 A B 180 200 CDI Engine OM640 Water Pump Pulley A6402020211

£18.95

Free delivery: Oct 22

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Part no. 059115389H

VW Touareg 7L Audi Q7 4L 3.0 TDI Oil Filter Housing Oil Cooler 059115389P

£75.95

Free delivery: Oct 22

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Part no. 06K121075Q

Audi S3 8V Water Hose Cooling Coolant Radiator Pipe Line 06K121075Q

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. A2218324494

Mercedes-Benz S-Class W221 Engine Water Cooling Coolant Hose Pipe A2218324494

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7617636

Mini F57 Coolant Radiator Cooper S B48 Engine Water Cooler BMW X1 F48 7617636

£94.95

Free delivery: Oct 22

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Part no. 9802099

Coolant Pipe Mini Cooper R60 R61 N18 Water Cooling Hose Line 9802099

£37.95

Free delivery: Oct 22

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Part no. 8R0122055

Audi Q5 8R Heater Water Cooling Coolant Pipe Hose Line 8R0122055

£28.95

Free delivery: Oct 22

If paid before 14:00

Part no. rhd-A1718301296

Mercedes SLK R171 M271 Water Hose Coolant Cooling Pipe Line A1718301296

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0122073R

VW Volkswagen Golf Mk5 V Water Coolant Hose Pipe Line 1K0122073R

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 8E0121251A

Audi A4 B7 2.0 TDI Diesel Coolant Radiator Water Cooling Radiator 8E0121251A

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 95810606120

Porsche Cayenne 92A Engine Cooling Blower Fan 850W Brose 95810606120

£127.95

Free delivery: Oct 22

If paid before 14:00

Part no. CPLA-18N252-AC

Range Rover L405 Heater Water Coolant Hose Pipe Line Diesel CPLA-18N252-AC

£18.95

Free delivery: Oct 22

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Part no. A1695010182

Mercedes-Benz A B W169 W245 Radiator Water Cooling Pipe Hose Bottom A1695010182

£13.95

Free delivery: Oct 22

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Part no. 8686164-1

BMW G11 G30 G31 G32 G38 Engine Cooling Radiator Fan Petrol 8686164

£104.95

Free delivery: Oct 22

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Part no. 5Q0121205S

Volkswagen Golf 5G Radiator Fan Engine Cooling Blower 5Q0121205S 5Q0121203CN

£85.95

Free delivery: Oct 22

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Part no. 06K109121E

Audi S3 8Y 2.0 TFSI Volkswagen Golf 8 Petrol Water Pump Cover 06K109121E

£13.95

Free delivery: Oct 22

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Part no. A2742000215

Thermostat Pipe Mercedes W205 Petrol Hose Line Coolant Housing A2742000215

£94.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7532063

BMW 1 SERIES E81 E87 Petrol Heater return engine cooling water hose pipe 7532063

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 8571619

BMW X3 F25 N47N Radiator Coolant Hose Pipe Line Diesel 8571619

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0121251DN

VW Volkswagen Golf Mk6 Radiator Engine Cooling Coolant Unit 1K0121251DN

£28.95

Free delivery: Oct 22

If paid before 14:00

Part no. RHD-2032994

Ford Transit Connect Servo Brake Fluid Expansion Tank Bottle EV61-2K478-CC

£18.95

Free delivery: Oct 22

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Part no. A2035401733

Temperature Display Sensor Mercedes W203 W204 W212 AMG Cable Wiring A2035401733

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 6785424

BMW X5 X6 Series E70 E71 Radiator Return Hose Line Pipe 6785424

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. A1715010225

Vent Pipe Mercedes SLK R171 Cooling Line Expansion Tank Hose A1715010225

£23.95

Free delivery: Oct 22

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Part no. rhd-A2136280224

Radiator Strut Mercedes W213 S213 Bar Frame Holder Bracket Mount A2136280224

£13.95

Free delivery: Oct 22

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Part no. A6512006001

Water Pump Mercedes W205 Diesel OM651 Engine Coolant Pump A6512006001

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 3403987

BMW X3 E83 E83N LCI Bracket Expansion Tank Bracket Support Mount 3403987

£13.95

Free delivery: Oct 22

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Part no. A2218324394

Mercedes-Benz S-Class W221 Engine Water Cooling Coolant Hose Pipe A2218324394

£13.95

Free delivery: Oct 22

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Part no. DK62-8475-AC

Land Range Rover Sport L494 Radiator Active Shutter Flaps Grille DK62-8475-AC

£66.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7648827

Mini Cooper F20 F30 R56 Mechanical Coolant Water Pump 7648827

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. A2465010458

Mercedes X156 Oil Coolant Hose Pipe Line Tube A2465010458

£28.95

Free delivery: Oct 22

If paid before 14:00

Part no. A4475050041-1

Mercedes Vito W447 Cooling Radiator Fan Shroud Cover Frame Panel A4475050041

£28.95

Free delivery: Oct 22

If paid before 14:00

Part no. A6400101382

Mercedes-Benz W169 W245 180CDI 200CDI Water Coolant Pipe Hose A6400101382

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. RHD-2541149

Ford Transit Mk8 Heater Matrix Radiator Heat Exchanger BK21-18B539-BC

£42.95

Free delivery: Oct 22

If paid before 14:00

Part no. A6110700033

Mercedes-Benz M-Class ML W163 Injection System Pressure Line Diesel A6110700033

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. A2702000851

Water Pipe Mercedes C117 W176 W246 M270 Coolant Hose Line A2702000851

£28.95

Free delivery: Oct 22

If paid before 14:00

Part no. 8R0121081AQ

Audi Q5 8R Expansion Coolant Radiator Hose Pipe Tube Line Cooling 8R0121081AQ

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0122073GE

Audi A3 8P VW Golf Mk6 Water Hose Cooling Coolant Radiator Pipe Line 1K0122073GE

£28.95

Free delivery: Oct 22

If paid before 14:00

Part no. 8K0906088

Audi A5 8T 3.0 TDI CLAB Diesel Temperature Exhaust Gas Sensor A8K0906088

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. A2118350367

Mercedes W176 Additional Auxiliary Coolant Water Pump A2118350367

£32.95

Free delivery: Oct 22

If paid before 14:00

Part no. A2535019482

Coolant Hose Mercedes X253 GLC220D Right Cooler Hose Line To Engine A2535019482

£28.95

Free delivery: Oct 22

If paid before 14:00

Part no. 03L906088BE

Audi Q5 8R 2.0 TDI CJCA Diesel Engine Exhaust Temperature Sensor 03L906088BE

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 8K0959455P

Audi Q3 8U Radiator Fan Engine Cooling Cooler Blower Unit 8K0959455P

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7475675

BMW X4 F98 Petrol Activated Charcoal Filter Canister 7475675

£61.95

Free delivery: Oct 22

If paid before 14:00

Part no. A2125000803

Mercedes W212 OM651 Diesel Engine Water Coolant Cooling Radiator A2125000803

£47.95

Free delivery: Oct 22

If paid before 14:00

Part no. A2475062800-1

Mercedes W177 W247 Water Hose Coolant Cooling Pipe Line A2475062800

£56.95

Free delivery: Oct 22

If paid before 14:00

Part no. A2702031582

Coolant Hose Mercedes W177 M260 Engine Coolant Cooling Pipe Line A2702031582

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. A6072030382

Water Pipe Mercedes W176 OM607 Radiator Coolant Hose Engine Cooling A6072030382

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7535741

BMW 7 Series E65 E66 Heat Exchanger Oil Cooling Pipe Inlet Outlet Hose

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. QEP000530

Range Rover L322 Power Steering Oil Cooler Radiator 3.0 TD6 4.4 V8 QEP000530

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7535591

BMW Z4 Series E85 Hose Additional Water Pump Water Valve Pipe

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 8J0121109E

Audi TT Mk2 8J Water Coolant Pipe Hose 1.8 2.0 TFSI CDAA CESA Petrol 8J0121109E

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 9398952

BMW G20 G21 Water Hose Radiator Coolant Cooling Feed Pipe Line Petrol 9398952

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 059130299AS

Audi A4 B9 Q7 4M Fuel Line Pressure Sensor Pipe Hose 3.0 TDI Diesel 059130299AS

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 9002986C

Land Rover Discovery 3 L319 Water Pump Unit 2.7 V6 Diesel Engine 9002986C

£28.95

Free delivery: Oct 22

If paid before 14:00

Part no. XS4Q-9N271-CC

Ford Mondeo Mk4 Water Hose Cooling Coolant Pipe Hose Line XS4Q-9N271-CC

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5Q0121058AE

VW Polo GTI AW Audi A3 8V Water Hose Cooling Coolant Pipe 2.0 TFSI 5Q0121058AE

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7808571

BMW E90 E91 E92 LCI F10 F11 Connector Flange Pipe 7808571

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. A2478306000

Mercedes W177 AMG Water Pipe Heater Cooling Coolant Hose Line A2478306000

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. A2205000193

Mercedes C215 W220 Engine Cooling Radiator Fan 600W A2205000193

Product currently unavailable

Part no. 06A121133AL

Audi A3 8P 1.6 MPI BSE Petrol Coolant Thermostat Housing Sensor 06A121133AL

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. A6398322393

Heat Exchanger Hose Mercedes Vito W639 OM646 Water Coolant Pipe A6398322393

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. A4538300601-1

Smart Fortwo C453 Radiator Water Cooler Air Conditioning A/C Unit A4538300601

£47.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5Q0121447G

Audi A3 8V VW Golf Mk7 Engine Coolant Pipe Water Hose Line 5Q012144

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7649300

Coolant Radiator Line BMW F20 F21 F22 F23 F30 F32 F33 F36 Pipe Hose Tube 7649300

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7C0121061B-1

Volkswagen Crafter SY Water Coolant Hose Pipe Line 2.0 TDI 7C0121061B

£32.95

Free delivery: Oct 22

If paid before 14:00

Part no. A2760902537

Mercedes W212 Front Air Intake Left N/S M276 Channel Duct Petrol A2760902537

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. A4475050041

Mercedes Vito W447 Cooling Radiator Fan Shroud Cover Frame Panel A4475050041

£28.95

Free delivery: Oct 22

If paid before 14:00

Part no. A1725014482

Mercedes SLK R172 OM651 Engine Coolant Water Pipe Hose A1725014482

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 8K0819332M

Audi A4 B8 Water Coolant Pipe Hose Line Tube 2.0 TDI CNHC 8K0819332M

£32.95

Free delivery: Oct 22

If paid before 14:00

Part no. A1332000052

Mercedes W176 Coolant Metal Pipe Radiator Hose A1332000052

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. RHD-A2058302902

Water Hose Mercedes W205 X253 Radiator Coolant Pipe Water Line A2058302902

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7796870-1

Coolant Hose BMW E81 E87 LCI Diesel N47 Radiator Bottom Pipe Line 7796870

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0121101CP-1

Volkswagen Golf Mk6 1.6 TDI Water Hose Cooling Coolant Pipe Line 1K0121101CP

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 4H0959455T

Audi A5 8F Radiator Fan Engine Cooling Motor Unit Brose 4H0959455T

£94.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5Q0121070BR

Audi A3 8V 2.0 TFSI Water Hose Engine Coolant Cooling Pipe Line 5Q0121070BR

£61.95

Free delivery: Oct 22

If paid before 14:00

Part no. 2229114

BMW E39 M5 Coolant Expansion Overflow Reservoir Tank Bottle S62 V8 2229114

£113.95

Free delivery: Oct 22

If paid before 14:00

Part no. 8W0122101AL

Audi A5 8T Coolant Water Hose Line Tube Pipe 2.0 TDI Diesel 8W0122101AL

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 8K0145919C

Audi A4 B8 2.0 TDI CNHC Engine Water Coolant Hose Pipe Line 8K0145919C

£47.95

Free delivery: Oct 22

If paid before 14:00

Part no. PCJ500030

Range Rover Evoque L551 Expansion Overflow Coolant Tank Level Sensor PCJ500030

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 06F121058D

VW Volkswagen Golf Mk6 VI 2.0 TDi Water Coolant Hose Pipe Line 06F121058D

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 04E121070AC

Audi A1 8X 1.4 TFSI CZCA Radiator Coolant Hose Line Tube Pipe 04E121070AC

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. A1715010782

Mercedes R171 SLK 350 Water Pipe Cooling Coolant Hose Line A1715010782

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 8572188

BMW X5 E70 Radiator Carrier Left N/S Cooling Unit Mount Bracket Support 7799761

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7633477

BMW F20 F22 F30 F32 N20 Engine Cooling Pump Thermostat Housing 7633477

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7844265

Radiator Bracket BMW F10 M5 F12 F13 M6 Left Trans Cooler Mount Holder 7844265

£13.95

Free delivery: Oct 22

If paid before 14:00

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