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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Volkswagen Golf Mk6 Jetta Mk5 Radiator Water Pipe Hose 1.4 TSI 1K0121049CG

£32.95

Free delivery: Oct 22

If paid before 14:00

Part no. 2E0122096E

Volkswagen Crafter Coolant Hoses Water Cooling Pipe 2E0122096E

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5Q0816411AR

VW Volkswagen Golf MK7 Radiator Engine Cooling Coolant Water Unit 5Q0816411AR

£70.95

Free delivery: Oct 22

If paid before 14:00

Part no. MB3G-7F120-PL

VW Volkswagen Amarok NF Gearbox Oil Cooler Hose Tube Pipe Line MB3G7F120PL

£189.95

Free delivery: Oct 23 – 30

If paid before 14:00

Part no. 5N0121101H

VW Volkswagen Golf Mk6 Coolant Hose Pipe Line 2.0 TDI Diesel Engine 5N0121101H

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5Q0122051AT

Volkswagen Golf 5G Water Hose Radiator Coolant Pipe Line 5Q0122051AT

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 2E0121746A

VW Volkswagen Crafter 2E Radiator Fan Noise Insulation Plate 2E0121746A

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0121253BB

Seat Leon 1P Radiator Engine Cooling Coolant Water Unit Petrol 1K0121253BB

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7P0145943

Volkswagen Touareg 7P Intercooler Pipe Hose Line 3.0 TDI 7P0145943

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 03P121065C

VW Polo 5 Seat Ibiza 4 Skoda 1.2 TDI CFWA Coolant Pipe Water Tube 03P121065C

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 2E0959455A

Volkswagen Crafter 2E 2.0 TDI Diesel Engine Cooling Radiator Fan 2E0959455A

£28.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7H0121201CN

Volkswagen VW Transporter T5 Engine Cooling Twin Radiator Fan Shroud 7H0121201CN

£237.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5Q0907543A

Volkswagen VW Golf Mk8 Interior Temperature Sensor Unit 5Q0907543A

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. MB3G-8A080-AD

VW Amarok Mk2 Coolant Expansion Tank Reservoir Bottle Fluid Tank MB3G-8A080-AD

£28.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7P0820885A

Volkswagen Touareg 7P Front Refrigerant Coolant Line 3.0 TDI Diesel 7P0820885A

£61.95

Free delivery: Oct 22

If paid before 14:00

Part no. 2E0122447H

Volkswagen Crafter 2E Water Coolant Pipe Hose Line 2.0 TDI 2E0122447H

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7P0121203K

Volkswagen Touareg 7P Radiator Fan Cowling Mount Housing Surround 7P0121203K

£123.95

Free delivery: Oct 23 – 30

If paid before 14:00

Part no. 5Q0121064AR

Volkswagen VW Golf Mk7 Audi A3 8V Engine Coolant Pipe Hose Line 5Q0121064AR

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0121063P

Volkswagen Scirocco Mk3 Touran 1T Jetta A6 Coolant Hose Line Pipe 1K0121063P

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7E0122051E-1

Volkswagen Transporter T5 Coolant Hose Radiator Water Pipe 2.0 TDI 7E0122051E

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 03L121011J

Volkswagen Transporter T5 2.0 TDi Engine CAAA Water Pump 03L121011J

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7H0121407

VW Volkswagen Transporter T5 Coolant Expansion Overflow Tank Bottle 7H0121407C

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 04E121600CB

VW Volkswagen Golf 5G 1.0 1.2 1.4 TSI Engine Coolant Water Pump 04E121600CB

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5Q0121407F

AudVolkswagen Seat Skoda Expansion Tank Coolant Reservoir Bottle 5Q0121407F

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7H0121201CJ

Volkswagen VW Transporter T5 Engine Cooling Twin Radiator Fan Shroud 7H0121201CJ

£237.95

Free delivery: Oct 22

If paid before 14:00

Part no. 03C121019J

Volkswagen Golf Mk6 Audi A1 8X 1.4 Petrol Engine Water Pump 03C121019J

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0121049CJ

Volkswagen Scirocco Mk3 Golf MK6 Water Radiator Pipe Hose 1.4 TSI 1K0121049CJ

£42.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5QH815097C

Volkswagen Tiguan Ad1 Coolant Pipe Feed Return Hose Tube Line 5QH815097C

£70.95

Free delivery: Oct 23 – 30

If paid before 14:00

Part no. 2E0121253B

Volkswagen VW Crafter 35 Radiator Engine Cooling Coolant Unit 2E0121253B

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5K0121251S

VW Jetta Mk4 Additional Coolant Radiator Engine Cooling Unit 1.4 TSI 5K0121251S

£132.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0121205AA-1

Volkswagen Caddy Mk3 Audi A3 8P Engine Cooling Radiator Fan 1.9 TDI 1K0121205AA

£28.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5C0121251L

VW Volkswagen Jetta Mk4 Engine Water Cooling Radiator Cooler Unit 5C0121251L

£142.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0121407F

Volkswagen Golf Mk6 Expansion Tank Header Coolant Reservoir Bottle 1K0121407F

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7P6121070AK

VW Volkswagen Touareg 7P Gearbox Coolant Pipe Hose Tube 3.0 Diesel 7P6121070AK

£28.95

Free delivery: Oct 22

If paid before 14:00

Part no. 3C0121253Q

Volkswagen Passat B6 Water Radiator Cooler Unit 2.0 TDI Diesel 3C0121253Q

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 03L121131K

VW Transporter T5 2.0 TDI CAAA Sealing Flange Temperature Sender 03L121131K

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 03C121121C

VW Polo 6R 1.2 CGPB Water Pump Thermostat Cover Housing 03C121121C

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5K0121283E

VW Volkswagen Golf Mk6 GTI Radiator Air Duct Guide Panel Left N/S 5K0121283E

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0121058P

Audi A6 C6 Oil Cooler Hose Pipe Line Tube 2.0 TDI Diesel Engine 1K0121058P

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7L6122096M-2

VW Touareg 7L Water Coolant Hose Pipe Line Tube 3.0 TDI Diesel Engine 7L6122096M

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. MB3G-8B274-PAD

VW Volkswagen Amarok Mk2 Water Coolant Pipe Hose Line 3.0 TDI MB3G-8B274-PAD

£28.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5N0121070G

Volkswagen Tiguan 1 5N 2,0 TDi Diesel Coolant Pipe Water Line 5N0121070G

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. MB3G-8K619-BA

VW Volkswagen Amarok Mk2 Fan Radiator Shroud Ring Lower Bottom MB3G-8K619-BA

£61.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7E0963417

Volkswagen VW Transporter T5 Auxiliary Water Pump Coolant Unit 7E0963417

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 059117021J

Volkswagen Touareg 7L Audi Q7 4L A6 C6 Engine Oil Cooler 3.0 TDI 059117021J

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7P6122447T

Volkswagen VW Touareg 7P Coolant Hoses Pipes Lines 3.0 TDI 7P6122447T

£37.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0121051AH

Volkswagen VW Golf Mk5 Water Hose Radiator Coolant Pipe Line 1K0121051AH

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5Q0122073AN

Volkswagen Golf Mk7 Water Coolant Pipe Hose Line 1.4 TSI 5Q0122073AN

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7C2121124B

Volkswagen Crafter SY Coolant Hose Pipe Engine Cooling System 7C2121124B

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7L0122101E

Volkswagen Touareg 7L Engine Water Coolant Pipe Hose 3.2 V6 Petrol 7L0122051

£42.95

Free delivery: Oct 22

If paid before 14:00

Part no. 6R0122109G

Coolant Hose VW Polo 6R Seat Ibiza 6J 1.2 TSI Petrol CBZB Water Line 6R0122109G

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0122109CF

Water Coolant Pipe Volkswagen Audi Skoda Seat 1.6 TDI Cooling LIne 1K0122109CF

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. RHD-7C2121157A

Volkswagen Crafter SY Water Coolant Pipe Hose Line 7C2121157A

£32.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5Q0122157BP

Volkswagen Golf MK7 Audi A3 8V Water Coolant Hose 1.4 TSI 5Q0122157BP

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0907543G

Volkswagen Tiguan 5N Temparature Sensor Interior Temperature Sensor 1K0907543G

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 2N0121207H-1

VW Volkswagen Crafter Mk2 Front Radiator Fan Coolant Shroud Blade 2N0121207H

£165.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5C0965567

VW Scirocco Mk3 Audi A1 8X Auxiliary Water Pump 1.4 Petrol 5C0965567

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7L6122096M-1

Volkswagen Touareg 7L Water Coolant Hose Pipe Line Tube 7L6122096M

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 6N0121407

Volkswagen Polo 6R Coolant Expansion Tank Reservoir Bottle Fluid Tank 6N0121407

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5N0121253Q

Volkswagen Tiguan 5N Water Coolant Cooling Radiator 2.0 Diesel 5N0121253Q

£75.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0122073ER

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

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0121070CA

VW Volkswagen Touran 1T 1.4 TSI CAVC Water Coolant Pipe Hose Line 1K0121070CA

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5G0805275C

Volkswagen Golf Gti 5G Water Box Front Panel Frame Plate Cover 5G0805275C

£37.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5Q0122291BG

VW Volkswagen Golf R MK7 Engine Water Coolant Pipe Hose Coupling 5Q0122291BG

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7L6122447BD

VW Volkswagen Touareg 7L Audi Q7 4L Coolant Hose Pipe Line Tube 7L6122447BD

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 6N0121209F

VW Volkswagen Polo 6N Radiator Cover Support 6N0121209F

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0959455DT

VW Volkswagen Tiguan 5N 2.0 TDI CFFB Diesel Radiator Fan Shroud 1K0959455DT

£32.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0121207T

VW Volkswagen Golf Mk6 Diesel Engine Cooling Radiator Fan 1K0121207T

Product currently unavailable

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Volkswagen Sharan 7N Fuel Injection Line Pressure Pipe Injector Set 03L130321R

Product currently unavailable

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VW Golf Mk5 V Mk6 VI Petrol Engine Water Coolant Pipe Hose Line 1K0122157AN

Product currently unavailable

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Volkswagen VW Passat B6 Exhaust Gas Temperature Sensor Wiring 03G906088K

Product currently unavailable

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Volkswagen Golf VI Coolant Expansion Tank Reservoir Bottle Fluid Tank 5WA121407F

Product currently unavailable

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Volkswagen VW Golf Mk5 V Engine Cooling Coolant Radiator Fan 1K0121223

Product currently unavailable

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Volkswagen Tiguan 5N Water Pipe Hose Coolant Cooling Line 5N0121065

Product currently unavailable

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Volkswagen Tiguan 5N Water Coolant Cooling Pipe Line 2.0 TDi Diesel 5N0121070F

Product currently unavailable

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Volkswagen VW Caddy 2K Power Steering Fluid Expansion Tank Reservoir 2K0422371A

Product currently unavailable

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Volkswagen Golf MK6 Auxiliary Water Pump Coolant Unit Cooling 1K0965561J

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VW Golf Mk7 Audi A3 8V Water Hose Radiator Coolant Pipe Line Diesel 5Q0122101S

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VW Transporter T5 Coolant Cooling Water Expansion Tank Bottle 7H0121407C

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Volkswagen Golf Mk6 Water Coolant Pipe Hose Line Tube 1K0121070BJ

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VW Volkswagen Golf 6 1.6 TDI Diesel Engine Cooling Radiator Fan 1K0121205AF

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VW Volkswagen Touareg 7L Porsche Cayenne 9PA Thermostat Oil Cooler Radiator

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Audi A3 8V Skoda Octavia Mk3 Volkswagen Golf Mk7 Auxiliary Water Pump 5Q0965567J

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Volkswagen VW Golf VI Petrol Radiator Engine Cooling Coolant Unit 1K0121251L

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Audi A3 8P Coolant Radiator Engine Cooling Unit Radiator Nissens 1K0121251N

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Volkswagen Golf CD1 Water Pipe Hose Line Cooling Coolant 5Q0121049CR

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Volkswagen VW Golf Mk6 Radiator Engine Cooling Coolant Water Unit 1K0121251DD

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VW Sharan 7N Coolant Water Pipes Hoses Auxiliary Heating Lines 7N0815097H

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VW Golf Mk7 Radiator Fan Engine Cooling Coolant Fan Motor 320W 5Q0121203DD

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Volkswagen Golf Mk6 Caddy 1.6 TDI Diesel Water Coolant Pipe Hose 03L122157R

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Volkswagen Golf Mk7 Audi A3 8V Water Hose Coolant Radiator Pipe Line 5Q0121049CL

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Volkswagen VW Golf 5 V 1.9 TDI Diesel Engine Cooling Radiator Fan 1K0121205AA

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Volkswagen Golf R Mk7 Auxiliary Coolant Radiator Water Cooler 5Q0121253H

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VW Volkswagen Sharan 7N Water Pipe Hose Coolant Cooling Line 5N0121070Q

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Volkswagen Sharan 7N Water Hose Cooling Coolant Radiator Pipe Line 03L121157AL

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Volkswagen Golf MK5 Audi A3 8P Seat Skoda Diesel Engine Coolant Pipe 503G121065H

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Volkswagen Golf Mk7 5G Radiator Fan Engine Water Motor Cooling 5Q0121203AA

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VW Volkswagen Caddy Maxi 2k Cooling COoler Radiator 2.0 Diesel DFSD 5K0121251Q

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VW Polo Mk4 9N Seat 1.4 TDI BMS Coolant Flange Thermostat Housing 045121121A

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