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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Porsche Carrera 996 Engine Coolant Pipe Connection Piece Petrol 9603 9961062168R

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8K0121405F

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7840661

BMW 3 Series E90 E91 E92 M3 S65 Radiator Bottom Thermostat Coolant Hose 7840661

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1725010182

Coolant Hose Mercedes SLK R172 Petrol M271 Radiator Line Left N/S A1725010182

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. KK31-18N252-GG

Ford Transit Mk8 Coolant Hose Pipe Line 2.0 Diesel KK31-18N252-GG

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0009055502

Mercedes W213 S213 C238 X253 Exhaust Gas Temperature Sensor Unit A0009055502

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2742001651

Mercedes W205 Petrol Engine Coolant Hose Water Line Pipe A2742001651

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1799007

Ford Transit Mk7 Heater Water Coolant Pipe Hose Line 2.2 Diesel CC11-18K580-AD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1602340039

Smart C450 Coolant Water Pump Unit 0.7 Petrol Engine A1602340039

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8650087

BMW X3 G01 G02 G05 G06 G07 G20 G21 Turbo Coolant Return Line M40i B58D 8650087

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 94810601603

Porsche Cayenne 9PA Thermostat Housing Coolant Pipe 4.5 Petrol 94810601603

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 07K965561

Audi A3 RS3 8V Auxiliary Additional Electric Water Pump Unit 07K965561

€85.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 46338853

Fiat Ducato Mk3 Coolant Thermostat Housing Assembly 46338853

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0121086AF

Audi A3 8P VW Golf Mk6 Coolant Hose Pipe Line Diesel 2.0 TDI 1K0121086AF

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4H0121403G

Audi A8L 4H 3.0 TDI CDTA Coolant Overflow Reservoir Expansion Tank 4H0121403G

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4K0121051L

Audi A6 C8 Water Coolant Pipe Hose Line 50 TFSIe 4K0121051L

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8658483

Mini F55 F56 Coolant Pipe Expansion Tank Cylinder Head Cooling Hose Line 8658483

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 079121065M

Audi A4 B6 4.2 Petrol Coolant Pipe Cooler Water Hose 079121065M

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8591433

Temperature Sensor Mini F56 F60 BMW F40 Diesel B37B Exhaust EGR L=850mm 8591433

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7500750

BMW X5 Series E53 M62 4.4i 4.6is Cooling System Water Radiator Hose 7500750

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06F122101A

VW Volkswagen Golf Mk6 VI Coolant Water Pipe Hose Line 06F122101A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2045040440

Oil Cooler Bracket Mercedes W204 W207 Heat Exchanger Mount Holder A2045040440

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6R0121109N

Seat Ibiza 6J Cordoba 6L VW Polo 6R Water Coolant Pipe Hose Tube Line 6R0121109N

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2048305596

Water Pipe Mercedes W204 S204 OM646 Cooling Coolant Hose Line A2048305596

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0005000386

Water Pump Mercedes W203 W211 W212 Auxiliary Coolant Pump A0005000386

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 51848272

Fiat Panda Mk2 Radiator Cooling Fan Unit 1.1 Petrol 51848272

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1602000315

Smart Fortwo 450 Thermostat Housing Coolant Flange 0.7 Petrol Engine A1602000315

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4H0959455AC

Audi A8 D4 Motor Radiator Fan Engine Cooling Motor 400W 4H0959455AC

€284.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0122073ER

VW Golf Mk5 Audi A3 8P Water Hose Cooling Coolant Radiator Pipe Line 1K0122073ER

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7591101

BMW F01 F02 F03 Water Coolant Return Pipe Hose Line N74 Petrol Engine 7591101

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0122109AS

Audi A3 8P Engine Water Coolant Pipe Hose Line 1.4 TFSI CAXC Petrol 1K0122109AS

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9873682

Water Hose Mini F54 F60 LCI B48E Engine Coolant Cooling Pipe Line 9873682

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4K0145919P

Audi A6 C8 Expansion Tank Water Coolant Pipe Hose Line 50 TFSIe 4K0145919P

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7596787

Mini R50 R52 R53 Thermostat With Gasket Coolant Unit 7596787

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1122030275

Mercedes W208 W209 W220 Water Pump Thermostat Housing A1122030275

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6542010010

Mercedes W213 OM654 Diesel Engine Water Pump Coolant Water Unit A6542010010

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0122096J

Seat Leon II VW Golf MK5 Audi A3 8P Water Hose Coolant Pipe Petrol 1K0122096J

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1380563

Ford Transit Custom Coolant Hose Tube Line Pipe 2.2 TDCi Diesel 6C1Q-8B535-AF

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9299619

Water Hose BMW G30 G31 G11 G32 G15 Radiator Water Coolant Pump Pipe Line 9299619

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8631943-7

BMW F44 X1 F48 Mini F55 F56 Thermostat Housing Heat Management Module 8631943

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6400100369-2

Mercedes W169 W245 OM640 CDI Oil Filler Neck Cap A6400100369

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06F121111F

VW Volkswagen Golf 5 2.0 TFSI BWA Coolant Thermostat Housing 06F121111F

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0122157KD

VW Golf Mk5 Audi A3 8P Radiator Water Coolant Pipe Hose 1K0122157KD

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 52163464

Fiat Ducato Mk3 Additional Auxiliary Water Coolant Pump 52163464

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1890165

Ford Kuga C520 Coolant Thermostat Water Outlet Flange 1.5 EcoBoost DS7G-9K478-DB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7591100

BMW F01 F02 F03 Cooling System Supply Hose Pipe Line N74 Petrol Engine 7591100

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR038315

Range Rover Evoque L538 Charge Air Pipe Line Hose Tube BJ32-6C646 LR038315

€61.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7H0121407

VW Volkswagen Transporter T5 Coolant Expansion Overflow Tank Bottle 7H0121407C

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8W0819376E

Audi A4 B9 A5 F5 Water Hose Cooling Coolant Pipe Line 3.0 TFSI Petrol 8W0819376E

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06J121497J

Audi TT 8J Turbine Lubrication Inlet Oil Feed Line Pipe 06J121497J

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8K1819376J

Audi A5 8T 2.0 TFSI Water Hose Cooling Coolant Radiator Pipe Line 8K1819376J

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6Q0122101AP

Skoda Fabia Mk1 6Y Water Hose Cooling Coolant Pipe Line 1.9 Diesel 6Q0122101AP

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8R0121081AQ

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7838215

Water Pipe BMW E90 E92 E93 M3 Hose Heater Return Coolant Line 7838215

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2742000782

Coolant Hose Mercedes W204 Petrol M274 Engine Cooling Water Line A2742000782

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 03G121065AC

Volkswagen VW Caddy Coolant Hose Water Cooling Pipes 03G121065AC

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2435000500

Mercedes H243 Water Hose Radiator Coolant Cooling Pipe Line A2435000500

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. JRP100060-1

Land Rover Discovery 2 L318 Radiator Fan JRP100060

€94.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8656444

BMW i3 I01 Water Hose Cooling Coolant Pipe Line Radiator 8656444

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1645014782

Mercedes W164 Water Radiator Coolant Hose Pipe Line OM642 Diesel A1645014782

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9002986C

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

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 059121131J

Audi A8 D4 Q7 4L Coolant Hose Line Tube Pipe 3.0 TDI 059121102C 059121053J

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2722000401

Water Pump Mercedes W211 C207 W203 Petrol M272 Engine Coolant Pump A2722000401

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4K0145934L

Audi A6 C8 Water Coolant Pipe Hose Line 50 TFSIe 4K0145934L

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5Q0122096T

Volkswagen VW Passat B8 Golf Mk8 Water Coolant Hose Pipe 2.0 TDI 5Q0122096T

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 079121083H

Audi A7 4G 4.0 TFSI Coolant Hose Engine Water Pipe Front Left N/S 079121083H

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7797640

Mechanical Water Pump BMW E60 E87 E90 E91 LCI N47 Cooling Unit 7797640

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06E121111M

Audi A4 B7 B8 A6 C6 Petrol Engine Water Coolant Thermostat Housing 06E121111M

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1438820

BMW X5 Series E53 3.0 d Coolant Header Tank Connecting Flange Fitting 1438820

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1765012082-1

Water Hose Mercedes C117 W176 AMG Pipe Engine Cooling Coolant Line A1765012082

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. GK2Q-8K556-AB

Ford Transit Mk8 Ranger S-Max Water Coolant Pipe Hose 2.0 Diesel GK2Q-8K556-AB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5Q0122051EN-1

VW Golf Sportsvan Seat Leon Mk3 5F Water Coolant Pipe Hose 1.5 TSI 5Q0122051EN

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4G0819377K

Audi A6 A7 C7 3.0 TDI Coolant Water Hose Pipe Line Tube 4G0819377K

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 99610601359

Porsche Cayman 987C Carrera 996 Coolant Regulator Thermostat Housing 99610601359

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0122051AE

Audi A4 B7 Water Hose Cooling Coolant Radiator Pipe Line 1K0122051AE

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. GK21-8C350-BG-1

Ford Transit Custom 2.0 EcoBlue Coolant Hose Water Pipe Line GK21-8C350-BG

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7809195

MINI Cooper D R55 R56 Engine Cooling System Coolant Hose Pipe 7809195

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8573220

Water Hose BMW G30 G31 G11 B57 Diesel Radiator Coolant Pipe Line 8573220

€33.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1645060035

Mercedes X164 Engine Water Hose Tube Line Pipe M272 M273 5.5 Petrol A164506003

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4G0819374R

Audi A6 Allroad A7 4G8 Sportback Heater Coolant Hose Pipe Line Tube 4G0819374R

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5Q0122101H

Audi A3 8V Water Coolant Hose Line Pipe Tube 1.4 TFSI Petrol CMBA 5Q0122101H

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8474929

Water Hose BMW G20 G21 G30 G31 Water Coolant Pump Pipe Connector 8474929

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2742002051

Coolant Pipe Mercedes W213 X253 M274 Engine Cooling Feed Water Hose A2742002051

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CPLA-8B359-AC

Land Range Rover Sport L494 Radiator Support Mount Bracket Upper CPLA-8B359-AC

€61.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7790472

Water Pump BMW E60 E70 E71 E87 E90 M47N2 M57N2 Diesel Coolant 7790472

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7585741

BMW Z4 Series E89 Line Heater Return Thermostat Pipe Hose 7585741

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8656443

BMW i3 I01 Rex Hybrid Water Hose Cooling Coolant Pipe Line Radiator 8656443

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR125486

Range Rover Sport L494 Defender L663 Coolant Water Hose Pipe K6D3-8A512-BA

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8571621

Water Hose BMW X3 F25 X4 F26 Diesel Cooling Coolant Radiator Pipe Line 3168490

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CC11-8286-BC

Ford Transit Mk7 Radiator Coolant Hose Tube Pipe Line CC11-8286-BC

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3Q0121407A

Volkswagen Tiguan AD1 Coolant Expansion Tank Bottle Reservoir 2.0 TDI 3Q0121407A

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A4478350070

Mercedes W447 A/C Air Conditioning Con Radiator A4478350070

€61.95

Free delivery: Nov 10 – 13

If paid before 14:00

Part no. 3B0919506-1

Volkswagen Transporter T5 Radiator Fan Control Unit Module Relay 3B0919506

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0009058306

Mercedes W177 Temparature Sensor Interior Cabin Temperature Sensor A0009058306

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 05E121111R

Volkswagen Golf SV Audi A3 8Y Coolant Water Pump 1.5 TSI 05E121111R

€85.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2048306396

Mercedes W204 W207 Diesel Water Line Coolant Hose Ruber Pipe A2048306396

€27.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 059121454C

Audi A4 B8 A6 C7 A8 D4 A7 4K Radiator Coolant Hose Pipe Line 3.0 TDI 059121454C

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4K0819374AC

Audi A6 C8 Engine Water Coolant Pipe Hose Cooling Line Tube 50 TFSIe 4K0819374AC

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06K121065Q

Audi TT FV Water Coolant Pipe Hose Line 06K121065Q

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

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