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.

More information

Find it faster

Match to your vehicle

Make

Audi A1 8X 1.4 TSI Petrol Engine Water Hose Coolant Pipe Line 6R0121070L

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8K0959501F

Audi A4 B8 Radiator Fan Relay Radiator Electrical Module Control Unit 8K0959501F

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5Q0965561B

Audi A3 8V 2.0 TDI Auxiliary Water Pump 5Q0965561B

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 4H0121081AB

Audi A8L 4H Expansion Bottle Tank Radiator Hose Line Tube Pipe 4H0121081AB

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06E121065N

Audi Q5 8R 3.0 TFSI Water Hose Cooling Coolant Pipe Line 06E121065N

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 03L121157AK

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

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 03L121157AP

Coolant Pipe Audi A4 B8 A5 8T 2.0 TDI Water Cooling Line 03L121157AP

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 03L906088BE

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

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 03L122157Q

Audi A4 B8 A5 8T Coolant Pipe Water Cooling Line 2.0 TDI 03L122157Q

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 3C0121157CC

Audi A3 8P 2.0 TDI Diesel Water Hose Cooling Coolant Pipe Line 3C0121157CC

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06H121601P

Audi A6 C8 A5 F5 Q7 4M Electric Additional Auxiliary Water Pump 06H121601P

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 1K0121063R

Audi A3 8P 1.4 TFSI CAXC Coolant Hose Line Tube Pipe 1K0121063R

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 1K0121207AA

Engine Cooling Radiator Audi A3 8P Diesel Radiator Coolant Fan 1K0121207AA

€113.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06F115397H

Audi A4 B7 VW Golf Mk6 Oil Filter Housing Oil Cooler 2.0 Petrol 06F115397H

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7L6121212B

Audi Q7 4L 4.2 TDI Diesel Additional Radiator Right O/S Auxiliary 7L6121212B

€37.95

Free delivery: Sep 22 – 24

If paid before 14:00

Part no. 04L121064E

Audi A3 8V VW Golf Mk7 Engine Water Coolant Pipe Hose Line Diesel 04L121064E

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8W0906088E

Audi A4 B9 2.0 TDI Diesel Exhaust Gas Temperature Sensor 8W0906088E

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8R0121049J

Audi Q5 8R 2.0 TDI Coolant Water Hose Cooling Unit Line Tube Pipe 8R0121049J

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8K0121081BC

Audi A4 B8 Rear Coolant Water Breather Pipe Line Tube Hose 8K0121081BC

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8K0121081AB

Audi A4 B8 A5 8T Coolant Overflow Pipe Hose Fitting 2.0 Petrol 8K0121081AB

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8W0122449Q

Audi S5 F5 Engine Water Coolant Pipe Hose Tube Line 3.0 TDI Diesel 8W0122449Q

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06J121065F

Audi TT 8J A3 8P A4 8K Water Hose Cooling Coolant Radiator Pipe Line 06J121065F

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 04L121065CR

Water Hose Audi A3 8V Skoda Octavia IV 1.6 TDI Coolant Line Pipe 04L121065CR

€47.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 04L122157BB

Audi A4 B8 A5 8T Water Coolant Pipe Line Hose Tube 2.0 TDI 04L122157BB

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8K0819376F

Audi A4 B8 Q5 8R A5 8T Water Coolant Hose Pipe Line TFSI Petrol 8K0819376F

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06M121013D

Audi RS5 F5 Engine Water Pump Coolant Cooling Unit Pump 06M121013D

€113.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8R0121049E

Audi Q5 8R Water Coolant Pipe Hose Line 2.0 TDI Diesel Engine 8R0121049E

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8E0121403

Expansion Tank Bottle Audi A4 B6 B7 VW Passat Coolant Reservoir Bottle 8E0121403

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8W0819350G

Audi A4 B9 A5 F5 Water Coolant Heater Hose Pipe 2.0 TDI 8W0819350G

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 03L121157AH

Audi A5 S5 8F 2.0 TDI Water Hose Cooling Radiator Coolant Pipe Line 03L121157AH

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 04L122157AQ

Audi A4 B9 A5 F5 Engine Coolant Pipe Hose 2.0 TDI Diesel 04L122157AQ

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 04C121600L

Audi A3 8V VW Polo 6C Water Pump Housing Unit 1.4 TFSI 04C121042D

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 6R0121063

Audi A1 8X Water Pipe Hose Line Engine Cooling Coolant Unit Hose 6R0121063

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 03L121132A

Audi A4 B8 2.0 TDI Diesel Thermostat Coolant Housing 03L121132A

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 04E122157AC

Audi A4 B9 Turbo Charger Coolant Pipe Hose Line Tube 1.4 TFSI 04E122157CA

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06E117021G

Audi A4 B8 A5 8T A6 C7 Oil Cooler Cooling Radiator 06E117021G

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8W0122055BN

Audi A4 B9 A5 F5 Coolant Pipe Radiator Hose Line Tube 2.0 Petrol 8W0122055BN

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 4K0121486

Audi A6 C8 A7 4K Coolant Hose Water Pipe Cooling Line 4K0121486

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06J121132G

Audi TT 8J A4 B8 Water Coolant Flange Pipe Hose Line 06J121132G

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8R0121081N

Audi A4 B8 A5 8T Radiator Water Coolant Pipe Hose Pipe Line 2.0 TFSI 8R0121081N

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8W0121405G

Audi A4 B9 A5 F5 Expansion Tank Water Coolant Bottle Reservoir 8W0121405G

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5Q012210GJ

Audi A3 8V Water Hose Cooling Radiator Coolant Pipe Line 5Q012210GJ

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8W0819334AE

Audi A5 F5 Coolant Water Quick Connect Heater Pipe Hose 8W0819334AE

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8J0121284A

Audi TT 8J Mk2 Radiator Air Guide Duct Cover Right O/S 8J0121284A

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5Q0121070AP-1

Audi A3 8V Water Hose Engine Coolant Cooling Pipe Line 5Q0121070AP

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 04L121070D

Audi A3 8V 2.0 TDI Diesel Water Coolant Hose Pipe Tube Line 04L121070D

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06F145762

Audi TTS 8J Coolant Water Pipe Hose Line 2.0 TFSI Quattro CDLB 06F145762

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 03C121070L

Audi A3 8P Water Hose Radiator Coolant Pipe Line Petrol 03C121070L

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06J121075F

Audi TT 8J A3 8P Petrol Coolant Hose Diesel Water Pipe Line Tube 06J121075F

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 4H0121088AD

Audi A8 4H Expansion Bottle Tank Radiator Hose Line Tube Pipe 4H0121088AD

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7P0965561

Audi Q7 4L 3.0 TDI BUG Additional Auxiliary Water Coolant Pump 7P0965561

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 1K0121049CA

Audi A3 8P Engine Cooling Radiator Water Coolant Pipe 1.4 TSI CAXC 1K0121049CA

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 03L121157E

Audi A4 S4 8K A5 S5 8T Engine Coolant Hose Tube Line Pipe 2.0 TDI 03L121157E

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8E0959455P-1

Engine Cooling Audi RS4 B7 4.2 Petrol Radiator Coolant Fan Left N/S 8E0959455P

€89.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 059121065BB

Audi A5 8T Engine Coolant Water Hose Pipe 3.0 TDI V6 059121065

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 4L0145738B

Audi Q7 4L 3.0 TDI Engine Coolant Water Pipe Hose Line 4L0145738B

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06E121111G

Audi A4 B7 A8 A6 Coolant Regulator Thermostat Housing 06E121111G

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 1K0121109AL

Audi A3 8P Radiator Water Coolant Hose Pipe Line 1.8 FSI Petrol 1K0121109AL

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A8E0199455F

Audi RS4 B7 Engine Cooling System Guard Plate Cover Bracket Mount A8E0199455F

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5C0965567A

Audi A3 8V Additional Water Pump 1.4 Petrol CXSA 5C0965567A

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 4K0819374R

Audi A6 C8 3.0 TDI Engine Coolant Pipe Water Hose Cooling Line Tube 4K0819374R

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8V0121397A

Audi RSQ3 F3 Engine Water Coolant Hose Pipe Left N/S 2.5 TFSI 8V0121397A

€104.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06J121075F-1

Audi TT 8J A3 8P VW Golf GTI 5K Sharan Coolant Hose Water Pipe Line 06J121075F

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 07K121057-1

Audi RS3 TTRS RSQ3 8U Coolant Hose Pipe 2.5 TFSI Cooling Line 07K121057

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8J0121447H

Audi TT 8J 2.0 TDI CFGB Engine Coolant Hose Pipe 8J0121447H

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 03L121093F

Audi A4 S4 8K A5 S5 8F Auxiliary Coolant Water Pump Bracket Mount 03L121093F

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 059121075FH

Audi A6 C8 Engine Cooling Coolant Pipe Hose Tube Line 3.0 TDI DDVB 059121075FH

€75.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5Q0122101BL

Audi A3 8V 2.0 TDI Water Hose Radiator Coolant Pipe Line Diesel 5Q0122101BL

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 6R0122101CA

Audi A1 8X Coolant Hose Water Pump Pipe Cooling Line 1.4 Petrol 6R0122101CA

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 079121013P

Audi S5 8T Coolant Water Pump Thermostat Assembly 079121013P

€237.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 1K0121205AC

Audi A3 8P 1.6 TDI Radiator Fan Motor Engine Cooling Fan 1K0121205AC

€47.95

Free delivery: Sep 22 – 24

If paid before 14:00

Part no. 06L145778H

Audi A5 8T Oil Feed Hose Pipe Line 2.0 TFSI Petrol Engine 06L145778H

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06E121083F

Audi S5 8T Water Hose Coolant Pipe Line Tube 3.0 TFSI 06E121083F

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8V0121030B

Audi RS3 8V RSQ3 F3 Water Coolant Hose Pipe Line 2.5 TFSI 8V0121030B

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 1K0959455ET

Audi S3 8P 2.0 TFSI CDLA Cooling Radiator Fan Shroud Right O/S 1K0959455ET

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06E121065Q

Audi A4 B8 A6 C7 A7 4G A8 D3 Coolant Flange Pipe Hose Line Tube 06E121065Q

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06H121601J

Audi A4 B8 A5 8T A6 C7 2.0 TFSI Additional Water Pump Coolant Unit 06H121601J

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 2Q0122109E

Audi A1 GB Water Coolant Cooling Pipe Hose Line 1.0 TFSI Petrol 2Q0122109E

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06D121065J

Audi A4 B7 A6 C6 Coolant Hose Line Tube Pipe 2.0 TFSI 06D121065J

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06K103495AG

Audi A3 8V Q3 8U Engine Oil Separator Breather Petrol 2.0 TFSI CULB 06K103495AG

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 2Q0122101BP-1

Audi A1 Coolant Cooling Hose Pipe Line 1.0 TFSI Petrol 2Q0122101BP

€56.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8K0121405E

Audi A5 8T Expansion Tank Header Coolant Reservoir Bottle 8K0121405E

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 6R0959455D-1

Audi A1 8X VW Polo 6R Radiator Fan Engine CAXA Blades Fan Motor 6R0959455D

€94.95

Free delivery: Sep 22 – 24

If paid before 14:00

Part no. 8K0819377C-1

Audi A5 8T Radiator Water Cooling Coolant Pipe Hose Line Diesel 8K0819377C

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 2Q0122157B

Audi A1 GB Coolant Cooling Hose Pipe Line 1.0 TSI Petrol 2Q0122157B

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 04L121113D

Audi A4 B9 Thermostat Housing Coolant Regulator 2.0 TDI DEUA 04L121113D

€70.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06H121026N-1

Audi A3 8P VW Golf MK6 Engine Coolant Water Pump 1.8 TFSI Petrol 06H121026N

€56.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 83A121101A

Audi RSQ3 F3 Engine Coolant Hose Tube Line Pipe 2.5 TFSI QUATTRO DNWA 83A121101A

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06M121137AH

Audi A4 B9 A5 F5 Water Coolant Pipe Hose Cooling Line 06M121137AH

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 04E121600BE

Audi A3 8V Seat Ateca Kh7 Coolant Pump D Water Pump 04E121600BE

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 079121102F

Audi S5 8T Engine Water Coolant Rubber Pipe Hose 4.2 FSI 079121102F

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06L121085K

Audi A4 B8 A5 8T Water Coolant Pipe Hose 2.0 TFSI Petrol Engine 06L121085K

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 1K0121251AT

Volkswagen Jetta Golf 1K Audi A3 S3 Engine Radiator Water Cooler 1K0121251AT

€42.95

Free delivery: Sep 22 – 24

If paid before 14:00

Part no. 8K0121276A

Audi A4 B8 A5 8T Q5 8R Coolant Radiator Mount Holder Bracket Rubber 8K0121276A

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7L8121073A

Audi Q7 4L Engine Coolant Hose Tube Line Pipe 7L8121073A

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06J117021J

Audi A3 8P TT 8J A4 B7 Oil Cooler 1.8 2.0 TFSI Petrol Engine 06J117021J

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 07K121063D

Audi RSQ3 8U RS3 8P Water Coolant Pipe Hose Line Tube Petrol Engine 07K121063F

€61.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 059121399B

Audi A4 B8 A5 8T Q7 4L Coolant Pipe Hose Engine Cooling Line 3.0 TDI 059121399B

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 1K0133366BK

Audi A3 8P FL TT 8J 1.8 Petrol CDAA Water Coolant Connection Hose 1K0133366BK

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

...

Showing 100-198 of 1411 products