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 A4 B8 Water Hose Radiator Coolant Pipe 1.8 2.0 Petrol 8K0121036F

€23.95

Part no. 06H121601M

Audi A5 8T Additional Water Pump Engine Coolant Unit 06H121601M

€23.95

Part no. 5Q0122051EJ

Audi A3 S3 8V 2.0 TFSI Engine Water Cooling Pipe Hose Line 5Q0122051EJ

€37.95

Part no. 8W0121400B

Audi A4 B9 Oil Coolant Hose Pipe Line Tube 8W0121400B

€32.95

Part no. 8K0121405H

Audi A4 S4 B8 A5 8T Coolant Expansion Tank Overflow Reservoir 8K0121405H

€23.95

Part no. 3B012291C-1

Audi A3 8P Water Coolant Hose Pipe Line Quick Connector 2.0 TFSI 3B012291C

€23.95

Part no. 8E0121331

Audi A4 S4 RS4 B7 Upper Coolant Radiator Seal Gasket Rubber 8E0121331

€23.95

Part no. 059121064D

Audi A5 8T Water Hose Cooling Coolant Radiator Pipe Line 059121070E

€28.95

Part no. 06D121071R

Audi A4 B7 2.0 TFSI BGB Water Coolant Hose Tube Line Pipe 06D121071R

€28.95

Part no. 03C121469D

Audi A1 8X Turbo Water Coolant Hose Line Return Tube Pipe 03C121469D

€23.95

Part no. 06H145735G

Audi A5 8T 2.0 TFSI CDNB Turbo Oil Return Pipe Line Tube Hose 06H145735G

€28.95

Part no. 4K0819342J

Audi A6 C8 Engine Coolant Pipe Line Heating Hose 2.0 TFSI Hybrid 4K0819342J

€66.95

Part no. 06K121492F

Audi S3 8V VW Golf Mk7 Cooling Water Hose Coolant Pipe Line 2.0 TFSI 06K121492F

€23.95

Part no. 5N0122157BG

Audi Q3 SE Mk1 Water Coolant Pipe Hose Line Tube 5N0122157BG

€23.95

Part no. 5Q0122073AL

Volkswagen Passat B8 Water Coolant Hose Tube Line Pipe 2.0 TDI 5Q0122073AL

€23.95

Part no. 80A121400B

Audi Q5 FY Water Hose Cooling Coolant Radiator Pipe Line 80A121400B

€47.95

Part no. 03N117021A

Audi A4 B8 Oil Cooler Cooling Unit 2.0 TDI Diesel Engine 03N117021A

€23.95

Part no. 1K0122085G

Audi A3 8P Water Coolant Cooling System Hose Pipe Line 2.0 TFSI 1K0122085G

€28.95

Part no. 83A121332A

Audi Q3 F3 Additional Cooler Sealing Strip Right O/S 83A121332A

€23.95

Part no. 5N0122086F

Audi Q3 SE Coolant Hose Engine Cooling System Hose Line Tube Pipe 5N0122086F

€51.95

Part no. 1K0959455DH

Audi A3 8P Air Con Radiator Motor Cooling Fan 1K0959455DH

€23.95

Part no. 03L122157AA

Audi A4 B8 Water Hose Radiator Coolant Pipe Line 2.0 TDI Diesel 03L122157AA

€23.95

Part no. 8E0260707BK

Audi A4 B7 2.0 TDI Air Conditioning A/C Refrigerant Pipe Hose Line 8E0260707BK

€23.95

Part no. 06H121601N

Audi A4 B9 A5 8T Additional Water Pump Engine Coolant Unit 06H121601N

€23.95

Part no. 8W0122101B-1

Audi A4 B9 A5 F5 Water Hose Cooling Coolant Radiator Pipe Line 8W0122101B

€23.95

Part no. 8W0819332D

Audi A4 B9 A5 F5 Water Hose Engine Cooling Coolant Pipe Line Diesel 8W0819332D

€23.95

Part no. 4K0819460

Audi A6 C8 Engine Coolant Pipe Line Heating Hose 2.0 TFSI Hybrid 4K0819460

€47.95

Part no. 5N0122073AH

Audi Q3 SE Mk1 2.0 TDI Water Coolant Pipe Hose Line Tube 5N0122073AH

€42.95

Part no. 8K0819377AA

Audi A5 8T Water Hose Cooling Radiator Coolant Pipe Line 8K0819377AA

€28.95

Part no. 06H121065D

Audi A5 8T 2.0 TFSI Water Hose Cooling Radiator Coolant Pipe Line 06H121065D

€23.95

Part no. 8W0122291AH

Audi A4 B9 A5 F5 Coolant Water Pipe Grommet 2.0 TDI Diesel 8W0122291AH

€23.95

Part no. 079121065BD

Audi RS4 B7 Radiator Coolant Hose Pipe Line A079121065BD

€23.95

Part no. 5N0122101AS

Audi Q3 SE Coolant Hose With Quick Release Coupling Upper 5N0122101AS

€85.95

Part no. 8K0121055L-1

Audi A4 B8 Water Hose Cooling Coolant Radiator Pipe Line Diesel 8K0121055L

€23.95

Part no. 8W0122101H

Audi A4 B9 2.0 TDI Diesel Coolant Water Hose Line Tube Pipe 8W0122101H

€23.95

Part no. 1K0121251AB

Audi TT 8N Coolant Radiator Engine Cooling Unit Radiator Cooler 1K0121251AB

€23.95

Part no. 5Q0121113F

Audi Q7 4M Water Coolant Thermosat Regulator Valve 5Q0121113F

€70.95

Part no. 4G0121081EJ

Audi A7 Sportback 4G Coolant Hose Pipe 3.0 TDI Diesel 4G0121081EJ

€23.95

Part no. 4K0121052H

Audi A6 C8 Engine Coolant Pipe Line Heating Hose 2.0 TFSI Hybrid 4K0121052H

€23.95

Part no. 06H121057H

Audi A4 S4 B8 8K A5 S5 8F 8T Thermostat Coolant Hose Pipe Line 06H121057H

€23.95

Part no. 8E0317826T

Audi A4 B7 Gearbox Oil Cooler Pressure Line Pipe Hose 2.0 TFSI Petrol 8E0317826T

€56.95

Part no. 8K0906088

Audi A5 8T 3.0 TDI CLAB Diesel Temperature Exhaust Gas Sensor A8K0906088

€23.95

Part no. 05L121111Q

Audi Q2 GA 3.0 TDI DTTC Diesel Engine Coolant Thermostat Housing 05L121111Q

€75.95

Part no. 1K0959455ES

Audi A3 8P Radiator Fan Engine Cooling Cooler Blower Unit 1K0959455ES

€23.95

Part no. 8K0819376F

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

€32.95

Part no. 8W0819334F

Audi A4 B9 35 TFSI Water Hose Cooling Radiator Coolant Pipe Line 8W0819334F

€23.95

Part no. 06H115243F

Audi A5 8T 2.0 TFSI CDNB Oil Pressure Control Valve Adjuster Unit 06H115243F

€51.95

Part no. 03N117021

Audi A3 8V A4 B8 Oil Cooler Cooling Unit 1.6 TDI Diesel Engine 03N117021

€23.95

Part no. 5Q0122101GH

Audi A3 8V 35 TDI DFGA Water Coolant Hose Line Pipe Tube 5Q0122101GH

€47.95

Part no. 04L121011E

Audi A4 B8 2.0 TDI CNHC Electric Water Pump 04L121011E

€28.95

Part no. 03L121157AA

Audi A4 B8 A5 8T Water Hose Cooling Radiator Pipe Line 2.0 TDI 03L121157AA

€23.95

Part no. 079121071BB

Audi RS4 B7 Radiator Coolant Hose Pipe Line A079121071BB

€32.95

Part no. 06H121057G

Audi A4 B8 A5 8T Water Hose Cooling Coolant Radiator Pipe Line 06H121057G

€23.95

Part no. 5Q0121070AB

Audi VW Seat Petrol Coolant Hose Water Pump Pipe Cooling Line 5Q0121070AB

€37.95

Part no. 04L122157CC

Audi A4 B9 2.0 TDI Diesel Engine Coolant Hose Line Pipe Tube 04L122157CC

€28.95

Part no. 03N115389H-1

Audi A4 B8 A5 8T Q5 8R Oil Filter Housing Cover 2.0 TDI 03N115389H

€32.95

Part no. 5Q0121058R

Audi VW Seat Skoda Water Hose Cooling Radiator Coolant Pipe Line 5Q0121058R

€23.95

Part no. 06E121111M

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

€23.95

Part no. 4H0121251C

Audi A8 D4 Coolant Water Radiator Cooler 4H0121251C

€127.95

Part no. 8J0121051Q-1

Audi TT Mk2 8J Water Coolant Pipe Hose Line 2.0 TDI Diesel Engine 8J0121051Q

€23.95

Part no. 7L0815987E

Audi Q7 4L Auxiliary Water Heater Feed Coolant Pipe Hose Diesel 7L0815987E

€23.95

Part no. 06E121045E

Audi A4 B7 Water Hose Radiator Coolant Pipe Line Tube 3.2 TFSI 06E121045E

€23.95

Part no. 3B0122291B

Audi A1 GB A3 S3 VW Golf 5G Coolant Water Pipe Connector Coupling 3B0122291B

€23.95

Part no. 7L0121207D

Audi Q7 4L 3.0 TDI BUG Diesel A/C Air Condition Radiator Fan Shroud 7L0121207D

€104.95

Part no. 059121507AB

Audi A5 8T Engine Coolant Cooling Hose Pipe Line 3.0 TDI Diesel 059121507AB

€23.95

Part no. 06H133514K

Audi A5 8T 2.0 TFSI CDNB Vacuum Solenoid Coolant Line Tube Hose Pipe 06H133514K

€32.95

Part no. 06K121085M

Audi VW Seat 2.0 TFSI Petrol Water Pipe Engine Coolant Hose Line 06K121085M

€23.95

Part no. 06E121168

Audi A4 B7 A4 B8 A5 B8 Q5 Water Coolant Flange Cover 06E121168

€23.95

Part no. 8R0121101G

Audi A4 B8 A5 Water Coolant Hose Pipe Line 8R0121101G

€23.95

Part no. 8J0121156A

Audi TTS 8J Radiator Coolant Hose Pipe Tube Line 2.0 TFSI Petrol 8J0121156A

€32.95

Part no. 8K1819350AB

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

€23.95

Part no. 06D121492J

Audi A4 B7 A6 C6 Engine Coolant Pipe Hose Tube Line 2.0 BWE Petrol 06D121492J

€28.95

Part no. 4K2819347F

Audi A6 C8 Coolant Hose Line Pipe Tube Engine Cooling 4K2819347F

€32.95

Part no. 03L121157AK

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

€23.95

Part no. 4F0121081G

Audi A6 C6 Water Hose Coolant Cooling Tube Pipe Line 2.7 Diesel 4F0121081G

€23.95

Part no. 8K0819377C

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

€23.95

Part no. 8K0121049M

Water Pipe Audi A4 B8 A5 8T 2.0 TFSI Coolant Hose Line 8K0121049M

€23.95

Part no. 1K0121049CA-1

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

€23.95

Part no. 04L121026R-1

Audi A5 8T 2.0 TDI CNHA Thermostat Housing Pipe Hose Line Tube 04L121026R

€23.95

Part no. 4K0122101AT

Audi A6 C8 Water Pipe Hose Line Cooling Coolant 4K0122101AT

€23.95

Part no. 4H0959455AD-1

Audi A6 C7 Radiator Fan Shroud Coolant Unit Cover Left N/S 4H0959455AD

€42.95

Part no. 04E121600BD

Audi A1 8X 1.4 TFSI CZCA Petrol Engine Water Pump 04E121600BD

€23.95

Part no. 03L121111AD

Audi A4 B8 A5 8T Q5 8RB 2.0 TDI Diesel Thermostat Coolant 03L121111AD

€28.95

Part no. 8K0819334Q

Audi A5 S5 8T Coolant Water Hose Line Tube Pipe 3.0 TFSI 8K0819334Q

€23.95

Part no. 2Q0121321A-1

SEAT Audi Volkswagen Skoda Water Coolant Expansion Tank Cap Cover 3C0121321

€23.95

Part no. 06H121026BF

Audi A3 8P A4 B8 A5 8T Water Coolant Pump 1.8 TFSI Petrol 06H121026DS

€51.95

Part no. 059122471AB

Audi Q7 4M Q8 Mk1 Engine Coolant Hose Line Tube Pipe Set 3.0 Diesel 059122471AB

€94.95

Part no. 079115277AJ

Audi RS4 B8 Oil Pump Pickup Pipe 4.2 FSI Petrol 079115277AJ

€37.95

Part no. 059121064N

Audi A6 C8 Q5 FY Q7 4M Water Hose Coolant Pipe Line 3.0 TDI 059121064N

€32.95

Part no. 06E121045AS

Audi A4 S4 B8 S5 8T Water Hose Radiator Coolant Pipe Line 3.0 TFSI 06E121045AS

€61.95

Part no. 1K0998262AA

Audi A8 D3 A6 C6 Exhaust Gas Temperature NOX Lambda Probe Sensor 1K0998262AA

€42.95

Part no. 4K0819374Q

Audi A6 C8 Engine Coolant Pipe Water Hose Cooling Line Tube 4K0819374Q

€23.95

Part no. 06L121497D

Audi A5 8T A4 B8 Water Coolant Pipe Hose Turbocharger 2.0 TFSI 06L121497D

€47.95

Part no. 03L121157-1

Audi A4 B8 A5 8T A6 C6 Water Coolant Pipe Hose Line 2.0 TDi Diesel 03L121157

€23.95

Part no. 03L121157Q

Audi Q3 SE Water Hose Cooling Coolant Radiator Pipe Line Hose 03L121157Q

€23.95

Part no. 1K0133366BK

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

€23.95

Part no. 06K115243B

VW Golf Mk7 Audi A3 8V Oil Pressure Control Valve 2.0 TFSI CJXC 06K115243B

€28.95

Part no. 04L121071G

Audi A4 B9 2.0 TDI DETA Diesel Water Coolant Hose Pipe Tube Line 04L121071G

€23.95

Part no. 03L117021C

Audi Volkswagen Seat Skoda Diesel Oil Filter Housing Oil Cooler 03L117021C

€23.95

...

Showing 793-891 of 1520 products