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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Mercedes W203 W204 A207 W906 Breather Hose Pipe Hose Line Diesel A6422030017

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. A1668304896

Mercedes W166 ML 63 AMG Water Coolant Pipe Hose Heating Line A1668304896

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. 5Q0121051L

Audi A3 S3 8V Water Pipes Hoses Coolant Cooling Lines Set 5Q0121051L 5Q0121101P

£47.95

Free delivery: Aug 04

If paid before 14:00

Part no. 5A30246

Additional Water Pump BMW F98 X4M G81 M3 G82 M4 Auxiliary Water Unit 8600286

£51.95

Free delivery: Aug 04

If paid before 14:00

Part no. 80A122055AF

Audi Q5 FY 2.0 TFSI Petrol Water Hose Cooling Coolant Pipe Line 80A122055AF

£66.95

Free delivery: Aug 04

If paid before 14:00

Part no. 4N0820541

Audi A7 C8 Q7 4M Temperature Sensor Interior Sensor 4N0820541

£18.95

Free delivery: Aug 04

If paid before 14:00

Part no. A6120160681

Mercedes W906 OM611 OM612 OM646 OM647 Cylinder Head Molded Hose Line A6120160681

£18.95

Free delivery: Aug 04

If paid before 14:00

Part no. 6C0121407-1

Audi A1 8X VW Polo Mk5 Expansion Tank Water Coolant Bottle Reservoir 6C0121407

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. 5A50198

BMW F70 F74 F78 Gran Coupé Radiator Cooling Fan Housing With Fan 5A50198

£569.95

Free delivery: Aug 04

If paid before 14:00

Part no. LR084066

Land Rover Discovery Sport L550 Engine Water Pipe Hose Line 2.0 G4D3-5H370-BD

£23.95

Free delivery: Aug 04

If paid before 14:00

Part no. 80C819371B

Audi Q5 FY Coolant Water Hose Line Cooling Unit Tube Pipe 2.0 Petrol 80C819371B

£23.95

Free delivery: Aug 04

If paid before 14:00

Part no. 7P5121203A-1

Porsche Cayenne 92A Touareg 7P Engine Cooling Fan Shroud 7P0121207B

£241.95

Free delivery: Aug 04

If paid before 14:00

Part no. A0995042118

Mercedes W205 Radiator Support Bracket Mount Holder Left N/S A0995042118

£28.95

Free delivery: Aug 04

If paid before 14:00

Part no. K8D2-8C012-AC

Range Rover Evoque L551 Engine Coolant Hose Pipe R-Dynamic K8D2-8C012-AC

£28.95

Free delivery: Aug 04

If paid before 14:00

Part no. 6984739

BMW Z4 E85 E86 Cooling Hose Pipe Line Coolant 6984739

£18.95

Free delivery: Aug 04

If paid before 14:00

Part no. 3C0122101FL

Volkswagen Seat Skoda Audi Water Coolant Pipe Line Hose 2.0 TDI 3C0122101FL

£28.95

Free delivery: Aug 04

If paid before 14:00

Part no. 8054884

Coolant Hose BMW X3 F97 X4 F98 Pipe Expansion Tank Hose 8054884

£61.95

Free delivery: Aug 04

If paid before 14:00

Part no. A6398321523

Water Hose Mercedes Vito Viano W639 Cooling Coolant Pipe Line A6398321523

£18.95

Free delivery: Aug 04

If paid before 14:00

Part no. 4F0121284AS

Audi A6 C6 3.0 TDI Front Right O/S Radiator Air Duct Guide Channel 4F0121284AS

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. 5Q0122157EP

Seat Leon Cupra 5F Water Coolant Pipe Hose Tube Line 2.0 TFSI Petrol 5Q0122157EP

£23.95

Free delivery: Aug 04

If paid before 14:00

Part no. A6512030602

Mercedes W176 Coolant Pipe Engine Block Water Line Diesel OM651 A6512030602

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. A0009058408

Mercedes W177 W206 Temperature Sensor Control Unit Petrol M254 A0009058408

£85.95

Free delivery: Aug 04

If paid before 14:00

Part no. 3C0121253AR

Volkswagen Passat B7 Cooling Radiator Coolant Unit 2.0 Diesel 3C0121253AR

£23.95

Free delivery: Aug 04

If paid before 14:00

Part no. 06Q919519T

Audi A1 8X Volkswagen Polo VI Mk6 Exhaust Gas Temperature Sensor 06Q919519T

£51.95

Free delivery: Aug 04

If paid before 14:00

Part no. 4986737

Ford Transit Connect Engine Radiator Cooling Fan Shroud 1.8L TDCi 4T16-8C607-JD

£113.95

Free delivery: Aug 04

If paid before 14:00

Part no. A6462001215

Mercedes Sprinter W906 Coolant Thermostat Housing Cooling Unit A6462001215

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. DHE500020

Range Rover Sport L320 Radiator Mount Holder Upper Sealing Seal Panel DHE500020

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. 7L0121207E

Audi Q7 4L A/C Air Condition Radiator Fan Shroud Motor 7L0121207E

£94.95

Free delivery: Aug 04

If paid before 14:00

Part no. AV41-8K218-DA

Ford Kuga C394 Mk1 Water Coolant Expansion Reservoir Bottle Tank 8V61-8K218-DE

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. 8591719

Mini F54 F55 F56 F57 F60 Petrol Coolant Water Pump 8591719

£56.95

Free delivery: Aug 04

If paid before 14:00

Part no. 9896577

BMW F74 U06 X1 U11 Thermostat Housing Heat Management Module 9896577

£151.95

Free delivery: Aug 5 – 12

If paid before 14:00

Part no. A9065010015

Expansion Tank Cap Mercedes W639 W906 Radiator Bottle Cover A9065010015

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. 4H0122101D

Audi A8 D4 Water Pipe Engine Cooling Coolant Hose Line 3.0 TDI Diesel 4H0122101D

£28.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-3D2122407A

VW Volkswagen Phaeton 3D Additional Expansion Reservoir Tank Bottle 3D2122407A

£18.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2642001000

Mercedes W205 C200 Coolant Line Water Hose Petrol Engine M264 A2642001000

£18.95

Free delivery: Aug 04

If paid before 14:00

Part no. 059121465B

Coolant Pipe Audi A6 C7 Q7 4L 3.0 TDI Water Hose Line Tube 059121465B

£28.95

Free delivery: Aug 04

If paid before 14:00

Part no. 7620688

Radiator Hose BMW E84 E89 Petrol N20 Water Cooling Gearbox Line Pipe 7620688

£18.95

Free delivery: Aug 04

If paid before 14:00

Part no. 4F0121284AR

Audi A6 C6 Front Radiator Air Duct Guide Channel Left N/S 4F0121284AR

£23.95

Free delivery: Aug 04

If paid before 14:00

Part no. A0071534828

Mercedes W204 C209 OM642 Gas Temperature Sensor A0071534828

£28.95

Free delivery: Aug 04

If paid before 14:00

Part no. A4539064300-1

Smart A453 Radiator Cooling Fan A4539064300

£18.95

Free delivery: Aug 04

If paid before 14:00

Part no. 059121075DJ

Audi Q7 4L Quattro Diesel 3.0 V6 TDI Engine Cooling Coolant Pipe 059121075DJ

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-4K2819552A

Audi A6 C8 A7 4K Engine Heating Pipe Coolant Hose Line 2.0 Petrol 4K2819552A

£32.95

Free delivery: Aug 04

If paid before 14:00

Part no. A6422001615

Mercedes W204 W212 W221 OM642 Thermostat Water Coolant Diesel Heat Management

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. ET76-8K218-B

Ford Transit Courier Water Coolant Expansion Tank Reservoir ET76-8K218-B

£28.95

Free delivery: Aug 04

If paid before 14:00

Part no. LR125620

Range Rover Sport L494 Turbocharger Coolant Pipe Hose 3.0D MHEV K6D3-8K598-DD

£94.95

Free delivery: Aug 5 – 12

If paid before 14:00

Part no. A1765000900

Mercedes W176 AMG Auxiliary Water Cooler Coolant Radiator A1765000900

£142.95

Free delivery: Aug 04

If paid before 14:00

Part no. 4F0121283AR

Audi A6 C6 Front Radiator Air Duct Guide Channel Left N/S 4F0121283AR

£18.95

Free delivery: Aug 04

If paid before 14:00

Part no. A1645002400

Mercedes V251 Automatic Transmission Gearbox Oil Cooler A1645002400

£75.95

Free delivery: Aug 04

If paid before 14:00

Part no. 06E121018A

Audi Q5 8R Auxiliary Water Pump Coolant Circulation Cooling Unit 06E121018A

£18.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2185012882

Water Hose Mercedes C207 W212 W218 Engine Cooling Coolant Pipe A2185012882

£23.95

Free delivery: Aug 04

If paid before 14:00

Part no. A4478302302

Coolant Hose Mercedes W447 OM622 Radiator Engine Water Cooling Line A4475013182

£18.95

Free delivery: Aug 04

If paid before 14:00

Part no. 2383403

Ford Transit Custom Radiator Coolant Hose Tube Pipe Diesel GK2Q-8N039-AB

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. G4D3-8555-BC

Land Rover Discovery Sport L550 Water Coolant Pipe Hose Line 2.0 G4D3-8555-BC

£23.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-4K2819372M

Audi A6 C8 Heating Line Tube Pipe Hose Coolant Pipe 4K2819377K

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. 7854306

Coolant Hose BMW F90 M5 F91 F92 M8 Heater Return Water Pipe Line 7854306

£47.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-8E2819373AB

Audi RS4 B7 Water Pipe Engine Cooling Radiator Coolant Hose 4.2 FSI 8E2819373AB

£23.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2115000472-1

Mercedes W211 C219 Water Coolant Hose Pipe Radiator Line A2115010382

£32.95

Free delivery: Aug 04

If paid before 14:00

Part no. A0995042218

Mercedes W205 Radiator Module Carrier Right O/S Bracket Mount A0995042218

£37.95

Free delivery: Aug 04

If paid before 14:00

Part no. BK21-8C607-B

Ford Transit Custom Engine Coolant Cooling Radiator Fan Shroud Blade BK218C607B

£37.95

Free delivery: Aug 04

If paid before 14:00

Part no. 8K0121003M

Engine Cooling Radiator Audi A4 B8 Diesel Radiator Coolant Fan 8K0121003M

£142.95

Free delivery: Aug 04

If paid before 14:00

Part no. LR072035

Land Rover Discovery Sport L550 Engine Cooling Water Hose Pipe Line GJ328260AA

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2055019484

Mercedes S205 Engine Coolant Hose Tube Line Pipe A2055019484

£37.95

Free delivery: Aug 04

If paid before 14:00

Part no. A6402033282

Mercedes W169 W245 180CDI 200CDI OM640 Water Coolant Pipe Hose A6402033282

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. 6996849

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

£37.95

Free delivery: Aug 04

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: Aug 04

If paid before 14:00

Part no. A0995040918

Mercedes W166 X166 C292 Cooler Frame Radiator Mount Holder Bracket A0995040918

£66.95

Free delivery: Aug 04

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: Aug 04

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: Aug 04

If paid before 14:00

Part no. 3M5H-8005-RK

Ford Focus Mk2 Coolant Radiator Air Conditioning Cooling Unit 3M5H-8005-RK

£18.95

Free delivery: Aug 04

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: Aug 04

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: Aug 04

If paid before 14:00

Part no. A1665003975

Mercedes W166 ML63 AMG Water Coolant Pipe Hose Line A1665003975

£28.95

Free delivery: Aug 04

If paid before 14:00

Part no. 8674895

Mini Cooper R60 Coolant Cooling Thermostat Housing N16 N18 Engine 8674895

£28.95

Free delivery: Aug 04

If paid before 14:00

Part no. 03L121121A

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

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2475062800-2

Mercedes W177 Water Hose Coolant Cooling Tube Hose Pipe Line A2475062800

£89.95

Free delivery: Aug 04

If paid before 14:00

Part no. A1645000593-1

Mercedes W164 Radiator Fan Shroud Engine Cooling Unit A1645000593

£170.95

Free delivery: Aug 04

If paid before 14:00

Part no. 7573264

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

£75.95

Free delivery: Aug 04

If paid before 14:00

Part no. 8475693

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

£94.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A2138300403

Mercedes W213 Heat Exchanger Water Coolant Hose Pipe Line A2138300403

£18.95

Free delivery: Aug 04

If paid before 14:00

Part no. A4535011582

Smart ForTwo C453 Engine Water Coolant Pipe Hose Line A4535011582

£32.95

Free delivery: Aug 04

If paid before 14:00

Part no. A6541410040

Mercedes W907 Intercooler Charge Air Cooler Bracket Holder Support A6541410040

£18.95

Free delivery: Aug 04

If paid before 14:00

Part no. A6072000315

Mercedes W176 OM607 Diesel Coolant Thermostat Cooling Unit 110609813R

£18.95

Free delivery: Aug 04

If paid before 14:00

Part no. 6905317

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

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. 7604545

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

£61.95

Free delivery: Aug 04

If paid before 14:00

Part no. LR048176-1

Range Rover L405 Engine Cooling Radiator Fan 4.4 Diesel LR048176

£132.95

Free delivery: Aug 04

If paid before 14:00

Part no. XS4U8512BA

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

£37.95

Free delivery: Aug 04

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: Aug 04

If paid before 14:00

Part no. A2052703400

Mercedes W205 S205 Gearbox Oil Cooler Hose Tube Petrol Automatic A2052703400

£47.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2055011900

Mercedes W205 M274 Coolant Hose Radiator Engine Water Cooling Line A2055011900

£23.95

Free delivery: Aug 04

If paid before 14:00

Part no. 9292733

BMW i3 I01 Water Coolant Cooling Hose Return Pipe Line 9292733

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. A4535011024

Smart ForTwo C453 Engine Water Coolant Pipe Hose Line A4535011024

£32.95

Free delivery: Aug 04

If paid before 14:00

Part no. 7C0121096

Volkswagen Crafter SY Water Coolant Hose Pipe Line 7C0121096

£28.95

Free delivery: Aug 04

If paid before 14:00

Part no. 8R0121086A

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

£37.95

Free delivery: Aug 04

If paid before 14:00

Part no. 8E0265381

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

£18.95

Free delivery: Aug 04

If paid before 14:00

Part no. 99662403502

Porsche Boxster 986 Radiator Fan Engine Cooling Bosch 2.7 Petrol 99662403502

£61.95

Free delivery: Aug 04

If paid before 14:00

Part no. 6R0122101G

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

£56.95

Free delivery: Aug 04

If paid before 14:00

Part no. 8K0121003AG-1

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

£94.95

Free delivery: Aug 04

If paid before 14:00

Part no. 110615482R

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

£47.95

Free delivery: Aug 04

If paid before 14:00

Part no. 8K1819350AB

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

£13.95

Free delivery: Aug 04

If paid before 14:00

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