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

Thermostat Housing Audi A4 B9 A5 F5 Petrol Engine Water Coolant 06M121115K

€37.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 5Q0122101BP

Audi A3 8V 2.0 TDI Water Hose Radiator Coolant Pipe Line Diesel 5Q0122101BP

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8R0121081M

Audi Q5 8R Expansion Bottle Tank Radiator Hose Line Tube Pipe 8R0121081M

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 5N0122101AT

Audi Q3 8U 2.0 TDI DFTA Engine Radiator Upper Water Coolant Hose 5N0122101AT

€28.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06J145771D

Audi TT 8J 1.8 TFSI CDAA High Pressure Oil Feed Pipe Hose Line Tube 06J145771D

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 4G0121448BN

Audi A6 C7 A7 4G Coolant Hose Pipe Line 3.0 TDI CVUA 4G0121448BN

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 059121051H

Audi A5 F5 Engine Coolant Water Pipe Hose Line 3.0 TDI Diesel Engine 059121051H

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8K1819371AB

Audi A4 B8 A5 8T Coolant Pipe Hose Line Heat Exchanger 1.8 TFSI 8K1819371AB

€28.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 059121102C

Audi A4 B8 A5 8T A6 C6 Coolant Hose Line Tube Pipe 3.0 TDI 059121102C

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 4G0122056B

Audi A6 C7 A7 4G Coolant Hose Pipe Line 3.0 TDI CVUA 4G0121448BN

€32.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8K0133889B

Audi RS4 B8 4.0 FSI CFSA Petrol Coolant Hose Upper Top Left O/S 8K0133889B

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 07K121029

Audi RSQ3 8U Engine Coolant Water Pump Pulley 2.5 TFSI 07K121029

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 3Q0121070R

VW Tiguan AD1 2.0 TDI Water Hose Cooling Radiator Coolant Pipe Line 3Q0121070R

€28.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 6C0122157N

Audi A1 8X Engine Coolant Pipe Hose Tube Line 1.6 TDI Diesel CXMA 6C0122157N

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 1K0122073B

Audi Seat Skoda Volkswagen Water Return Coolant Pipe Hose Line 1K0122073B

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 1K0121049CB

Audi A3 8P Water Coolant Pipe Hose Line Tube 1.2 TFSI 1K0121049CB

€42.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 7L8121157D

Audi Q7 4L Water Coolant Pipe Hose 3.0 TDI V6 Diesel CRC 7L8121157D

€32.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 021121031A

Audi A3 8P 3.2 BMJ Water Pump Pulley Water Wheel Guide 021121031A

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06E121083M

Audi S4 B8 S5 8T 3.0 TFSI CRE Supercharger Coolant Hose Pipe Line 06E121083M

€32.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 04L122157BA

Audi A5 8T Heater Water Cooling Coolant Pipe Hose Line 04L122157BA

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 5Q0121049AD

Volkswagen Audi A3 8V Seat Petrol Water Coolant Pipe Hose Line 5Q0121049AD

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 022121011

Audi A3 8P 3.2 BMJ Petrol Engine Water Coolant Pump 022121011

€42.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 3Q0963231F

Volkswagen Golf MK7 Passat B8 Audi A6 C8 Water Coolant Heater Module 3Q0963231F

€85.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06H121026CC

Audi A3 8P A4 S4 B8 Water Pump Coolant Regulator Thermostat 1.8 TFSI 06H121026DC

€85.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06Q145778D

Audi S3 8Y 2.0 TFSI Turbocharger Oil Feed Pipe Hose Line 06Q145778D

€42.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8K0121212C

Audi RS4 B8 Additional Auxiliary Radiator Left N/S Engine Cooling 8K0121212C

€146.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 6C0122447K-1

Audi A1 8X VW Polo Mk5 Water Coolant Pipe Hose Line 1.4 TSI 6C0122447K

€37.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06E121044L

Audi S5 8T A4 S4 B8 A6 C7 Engine Water Coolant Pipe Hose Tube Line 06E121044L

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 05L919501B

Audi A4 B9 Q5 FY A6 C8 A7 C8 Water Coolant Temperature Sensor 2.0 TDI 05L919501B

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 03L121157AE-1

Audi A6 C7 Q5 8R Water Coolant Pipe Hose Tube 2.0 TDi 03L121157AE

€28.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06H121026BA

Audi A4 B8 Water Pump 2.0 TFSI Petrol Engine Coolant Unit 06H121026BA

€94.95

Free delivery: Sep 21 – 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 21 – 24

If paid before 14:00

Part no. 3AA122157

Audi TT 8J Volkswagen Passat Water Coolant Hose Pipe Line 3AA122157

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8J0121051P

Audi TT 8J Engine Water Coolant Pipe Hose Line 2.0 TDI Diesel Engine 8J0121051P

€32.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 7H0819617

Audi Q7 4L Webasto Auxiliary Water Heater Air Filter Unit Pipe 7H0819617

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 5Q0122101CK

Audi A3 8V 1.6 Diesel Engine Coolant Hose Line Tube Pipe Right O/S 5Q0122101CK

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06L133054

Audi A3 8Y Quick Coupling Coolant Flange Air Intake Hose Line Petrol 06L133054

€28.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 07L121070Q

Audi S8 D3 Quattro 5.2 FSI V10 BSM Coolant Pipe Right Water Line 07L121070Q

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 045115389H-1

Audi A5 8T A3 8P A6 C6 A4 B8 Diesel Engine Oil Filter Housing Cooler 045115389H

€32.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06E121018E

Audi A6 C7 A7 4G A8 D3 Petrol Engine Cooling Fluid Coolant Pump 06E121016

€51.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 04L122157BC

Audi A5 8T Heater Water Cooling Coolant Pipe Hose Line 04L122157BC

€32.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 059121075DK

Audi A8 D4 Coolant Cooling Hose Pipe Line Tube 059121075DK

€28.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 1K0121087H

Audi TT 8J Coolant Flange Pipe Hose Line Tube 2.0 FSI Petrol 1K0121087H

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 83A819371

Audi RSQ3 F3 Engine Cooling Coolant Hose Line Tube Pipe 83A819371

€70.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8K0121251K

Audi A4 B8 Coolant Radiator Engine Cooling Unit Radiator 8K0121251K

€80.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 4G0122445L

Audi A6 C7 A7 4G Coolant Cooling Pipe Hose Line Petrol Engine 4G0122445L

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 420121030A

Audi R8 42 Engine Coolant Pipe Water Hose Cooling Line Tube 420121030A

€56.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 4G0121263

Audi RS6 RS7 Additional Water Coolant Radiator Support Carrier Mount 4G0121263

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 059121111N

Audi Q7 4L Diesel Engine Thermostat Housing 3.0 TDI 059121111N

€28.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 6R0121051L

Audi A1 8X Seat Toledo KG Skoda Rapid NH Coolant Hose Pipe Line 6R0121051L

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 7L0959455D

Audi Q7 Volkswagen Touareg 7L Radiator Fan Blade Motor 7L0959455D

€47.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 6R0122101AQ

Audi A1 8X Coolant Cooling Engine Pipe Hose Line Radiator 6R0122101AQ

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 420121082B

Audi R8 42 Engine Coolant Pipe Water Hose Cooling Line Tube 420121082B

€42.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 04L121131AD

Audi A5 8T Water Coolant Flange Pipe Hose Line 04L121131AD

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 04L121064F

Audi A1 8X Q3 8U Engine Coolant Hose Pipe Line Tube 1.6 TDi Diesel 04L121064F

€28.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 04L121064AE

Volkswagen Seat Skoda Audi 2.0 TDI Water Coolant Pipe Hose Line 04L121064AE

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 5Q0122101CM-1

Audi A3 8V 35 TDI DFGA Water Coolant Hose Line Pipe Tube 5Q0122101CM

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8K0819334BC

Audi A4 B8 A5 8T Water Coolant Hose Line Pipe 3.0 TFSI Petrol 8K0819334BC

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 05L121011D-2

VW Volkswagen Golf CD1 Engine Coolant Water Pump DTSB 2.0 TDI Diesel 01Q220802RT

€165.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06E121083G

Audi S4 B8 S5 8T Water Hose Coolant Pipe Line Tube 3.0 TFSI 06E121083G

€118.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8E0965559

Audi RS4 B7 Additional Water Pump Coolant Cooling Unit A8E0965559

€37.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 6C0122101AC-1

Audi A1 8X Engine Water Coolant Pipe Hose Line Tube 1.4 TSI CZCA 6C0122101AC

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8K0965567B

Audi A6 C8 Water Electric Pump Auxiliary Coolant Circulation 8K0965567B

€113.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 1K0122101KR

Audi TT 8J MK2 Water Hose Cooling Coolant Radiator Pipe Line 1K0122101KR

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 04L122157BE

Audi A5 8T 2.0 TDI CNHA Water Coolant Pipe Tube Line Hose 04L122157BE

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 04L121065AJ

Volkswagen Seat Skoda Audi 2.0 TDI Water Coolant Pipe Hose Line 04L121065AJ

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 1K0122101CC-1

Audi A4 B7 Water Hose Cooling Coolant Radiator Pipe Line Tube 1K0122101CC

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 022121117C

Audi A3 8P 3.2 BMJ Petrol Engine Water Thermostat Coolant Housing 022121117C

€28.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06K121065Q

Audi TT FV Water Coolant Pipe Hose Line 06K121065Q

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 3C0121447L

Audi A3 8P VW Passat 3C Touran 1T Coolant Hose Pipe Line Tube 3C0121447L

€56.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 059121075ES

Audi A6 C7 A7 4G Q7 4M Engine Coolant Water Pipe 3.0 TDI 059121075ES

€99.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 03C121497F

Audi A1 8X Water Pipe Hose Line Engine Cooling Coolant Unit Hose 03C121497F

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 059121511CT

Audi Q7 4M Q8 Mk2 Water Coolant Hose Line Tube Pipe 3.0 Diesel 059121511CT

€80.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 1K0121109AK

Audi A3 8P Water Cooling Coolant Pipe Hose Line Petrol Engine 1K0121109AK

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 5Q0121205R

Audi S1 8X S3 8V Engine Cooling Radiator Fan Shroud Motor 2.0 TFSI 5Q0121205R

€431.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8K0819263B

Audi A4 B8 Auxiliary Water Pump Bracket Holder 8K0819263B

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 1K0122051GL

Audi S3 8P VW Golf VI Water Coolant Hose Radiator Pipe Line 2.0 TFSI 1K0122051GL

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 059121071CK

Audi Q7 4L 3.0 TDI Diesel Coolant Water Pipe Hose Line 059121071CK

€42.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 059121031L

Audi A4 B8 2.7 TDI Diesel Coolant Pump Pulley Water Pump Wheel 059121031L

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 079121070CK

Coolant Pipe Audi A6 C7 S7 4G 4.0 TFSI Water Hose Line 079121070CK

€37.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 1K0122101GQ

Audi A3 8P 1.4 TFSI CAXC Water Coolant Pipe Hose Line 1K0122101GQ

€28.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 059121512AE

Audi A6 C7 A7 4G Engine Coolant Water Pipe Line 3.0 TDI Diesel 059121512AE

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06L121075B

Audi A4 B8 A5 8T A6 C7 Water Coolant Pipe Hose Line 1.8 2.0 TFSI 06L121075B

€28.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 6C0121070G

Audi A1 8X Engine Coolant Water Pipe Hose Tube Line 1.6 TDI Diesel 6C0121070G

€32.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06K103495AF

Audi A1 S1 8X 2.0 TFSI Petrol Engine Oil Separator Breather 06K103495AF

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 5N0121109F

Audi Q3 8U Engine Water Coolant Pipe Hose Line 1.4 TFSI 5N0121109F

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 059121008

Audi A6 C7 A7 4G SQ5 8R 3.0 TDI CGQB Coolant Water Pump Unit 059121008

€32.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8E0121049AC

Audi A4 B7 Water Hose Cooling Radiator Coolant Pipe Line 2.0 Diesel 8E0121049L

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 03L121132AA

Audi A3 8P TT 8J VW Golf Mk6 Coolant Flange Temperature Sensor 03L121132AA

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 059121008M

Audi A4 B9 A6 C7 Water Pump Coolant Circulation Unit 3.0 TDI CSWB 059121008M

€37.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 079121137F

Audi S5 8T Cooling Coolant System Flange Rear Right O/S 079121137F

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8K0819332J

Audi A5 8F 2.0 TDI Water Hose Cooling Radiator Coolant Pipe Line 8K0819332J

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8K0121101J

Audi A4 B8 Engine Water Coolant Hose Pipe Line Coolant 8K0121101J

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 5Q0121064AG

Audi A3 8V Engine Water Coolant Pipe Hose Line 2.0 TDI 5Q0121064AG

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06E121161AN

Audi S4 B8 Engine Water Coolant Flange Housing 3.0 TFSI Petrol 06E121161AN

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 4G0122109A

Audi A7 4G Water Cooling Coolant Hose Pipe Front Left N/S 3.0 TDI 4G0122109A

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 5Q0121070BC

Audi Q3 8U Water Hose Engine Coolant Cooling Pipe Line 2.0 TDI 5Q0121070BC

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8E0121109Q

Audi A4 B7 Water Pipe Engine Cooling Radiator Coolant Hose 3.2 Petrol 8E0121109Q

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 03C121065L

Audi A1 8X Petrol Water Coolant Hose Pipe 03C121065L

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

...

Showing 397-495 of 1407 products