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

PLN 113.95

Free delivery: Aug 03

If paid before 14:00

Part no. 8K0121081CM

Audi A4 Avant B8 S5 8T A5 S5 Engine Coolant Hose Tube Pipe Line 8K0121081CM

PLN 218.95

Free delivery: Aug 3 – 4

If paid before 14:00

Part no. 8K0819334Q

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

PLN 47.95

Delivery: Aug 03

If paid before 14:00

Part no. 8K0819332G

Audi A4 B8 2.0 TDI Water Hose Cooling Radiator Coolant Pipe Line 8K0819332G

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 04L121070D

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

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 8K0121276A

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

PLN 75.95

Free delivery: Aug 03

If paid before 14:00

Part no. 05A906088

Audi A8 D4 Q7 4L Exhaust Gas Temperature Sensor Diesel Engine 05A906088

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 04L122157BF

Audi A4 B8 2.0 TDI CNHC Diesel Engine Water Coolant Pipe Hose Line 04L122157BF

PLN 75.95

Free delivery: Aug 03

If paid before 14:00

Part no. 07K121057A

Coolant Hose Audi RS3 8V TTRS 8S 2.5 TFSI Cooling Pipe Line 07K121057A

PLN 75.95

Free delivery: Aug 03

If paid before 14:00

Part no. 3C0121447L

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

PLN 237.95

Free delivery: Aug 03

If paid before 14:00

Part no. 079121083H

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

PLN 142.95

Free delivery: Aug 03

If paid before 14:00

Part no. 5N0122086F

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

PLN 208.95

Free delivery: Aug 03

If paid before 14:00

Part no. 5Q0122101CE

Audi TTS FV Radiator Water Coolant Hose Pipe Tube Line Quick Release 5Q0122101CE

PLN 123.95

Free delivery: Aug 03

If paid before 14:00

Part no. 06E121018E

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

PLN 189.95

Free delivery: Aug 03

If paid before 14:00

Part no. 059121008J

Audi A5 8T 3.0 TDI CDUC Coolant Water Pump 059121008J

PLN 142.95

Free delivery: Aug 03

If paid before 14:00

Part no. 06L121085AF

Audi Q5 FY A4 B9 8W 2.0 TFSI Petrol Engine Water Coolant Pipe Hose 06L121085AF

PLN 47.95

Delivery: Aug 03

If paid before 14:00

Part no. 06E121161BB

Audi A5 8T 3.0 TFSI V6 Engine Coolant Flange Housing Cover Trim 06E121161BB

PLN 104.95

Free delivery: Aug 03

If paid before 14:00

Part no. 079121065BN-1

AUDI S5 8T 4.2 Petrol CAUA Coolant Pipe Left N/S Cooler Water Hose 079121065BN

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 6C0129637

Audi A1 8X 1.8 TFSI TSI Engine Water Coolant Pipe Hose Line Tube 6C0129637

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 059121111AA

Audi A5 8T Q5 8R 3.0 TDI Diesel Thermostat Coolant 059121111AA

PLN 43.95

Delivery: Aug 03

If paid before 14:00

Part no. 4F0121283AR

Audi A6 C6 Front Radiator Air Duct Guide Channel Left N/S 4F0121283AR

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 4H0906088AA

Audi A8 D4 Temperature Sensor Diesel Engine Exhaust Gas Sensor Probe 4H0906088AA

PLN 142.95

Free delivery: Aug 03

If paid before 14:00

Part no. 06D121132A

Audi A4 B7 Water Coolant Flange Pipe Hose Line 2.0 TFSI 06D121133C

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 059121465B-1

Audi A4 B8 A5 8T A6 C7 Q7 4L Coolant Pipe Water Hose 3.0 TDI 059121465B

PLN 237.95

Free delivery: Aug 03

If paid before 14:00

Part no. 7L8122051B

Audi Q7 4L VW Touareg 7L 4.2 TDi Coolant Hose Water Pump Pipe 7L8122051B

PLN 113.95

Free delivery: Aug 03

If paid before 14:00

Part no. 4F0121055AC

Audi A6 C6 Engine Cooling Coolant Hose Pipe Line 2.7 TDI 4F0121055AC

PLN 66.95

Free delivery: Aug 03

If paid before 14:00

Part no. 2Q0122157B

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

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 059103688A

Audi Q7 4L VW Touareg 7P Engine Oil Return Pipe 3.0 TDI Diesel 059103688A

PLN 94.95

Free delivery: Aug 03

If paid before 14:00

Part no. 06H121065D

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

PLN 47.95

Delivery: Aug 03

If paid before 14:00

Part no. 4K0145920S

Audi A6 C8 Coolant Water Pipe Hose Line 50 TFSIe 4K0145920S

PLN 94.95

Free delivery: Aug 03

If paid before 14:00

Part no. 3AA122157

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

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 06L121012L

Audi A4 B9 Volkswagen Golf 8 2.0 TFSI Thermostat Coolant Water Pump 06L121012L

PLN 313.95

Free delivery: Aug 03

If paid before 14:00

Part no. 1K0122101JQ

Audi A3 8P VW Golf Mk6 2.0 TDI CFFB Coolant Water Hose Pipe Line 1K0122101JQ

PLN 284.95

Free delivery: Aug 03

If paid before 14:00

Part no. 8K0121081BJ

Audi A4 B8 2.0 TDI Radiator Water Coolant Pipe Hose Tube Line 8K0121081BJ

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 8R0819334AP

Audi Q5 8R Water Coolant Pipe Hose Line Tube 8R0819334AP

PLN 94.95

Free delivery: Aug 03

If paid before 14:00

Part no. 8W0906088F

Audi A4 B9 2.0 TDI DETA Diesel Exhaust Gas Temperature Sensor 8W0906088F

PLN 47.95

Delivery: Aug 03

If paid before 14:00

Part no. 059121075ES

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

PLN 218.95

Free delivery: Aug 03

If paid before 14:00

Part no. 8E0121321

Audi A6 C6 Radiator Water Coolant Expansion Tank Cap Cover Lid 8E0121321

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 7L8121101B

Audi Q7 4L Radiator Water Coolant Pipe Hose Line 3.0 TDI 7L8121101B

PLN 142.95

Free delivery: Aug 03

If paid before 14:00

Part no. 8E0959455P-1

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

PLN 379.95

Free delivery: Aug 3 – 4

If paid before 14:00

Part no. 8N0422891E

Audi TT 8N Power Steering Rack Return Oil Hose Pipe Line 3.2 Quattro 8N0422891E

PLN 379.95

Free delivery: Aug 3 – 4

If paid before 14:00

Part no. 8J0121109E

Audi TT Mk2 8J Water Coolant Pipe Hose 1.8 2.0 TFSI CDAA CESA Petrol 8J0121109E

PLN 70.95

Free delivery: Aug 03

If paid before 14:00

Part no. 8K0121055B

Water Hose Cooling Audi A4 S4 8B A5 S5 8T Radiator Coolant Pipe Line 8K0121055B

PLN 142.95

Free delivery: Aug 03

If paid before 14:00

Part no. 8E0965559

Audi RS4 B7 Additional Water Pump Coolant Cooling Unit A8E0965559

PLN 180.95

Free delivery: Aug 03

If paid before 14:00

Part no. 4K0819374R

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

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 4G0145921C

Audi A6 C7 Water Hose Cooling Coolant Pipe Line 3.0 TFSI 4G0145921C

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 06J121132G

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

PLN 47.95

Delivery: Aug 03

If paid before 14:00

Part no. 03L121071

Audi A4 B8 A5 8T A6 C6 Water Coolant Cooling Pipe Hose Line 2.0 TDI 03L121071

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 4G0121081CS

Audi A6 C7 Expansion Coolant Tank Breather Vent Pipe Line 4G0121081CS

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 059121065EA

Audi A4 B9 A5 F5 Water Hose Cooling Coolant Radiator Pipe 3.0 TDI 059121065EA

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 03C121497F

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

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 8N0121088

Audi A3 8L TT TTS 8N Engine Coolant Water Hose Pipe Tube Line 8N0121088

PLN 284.95

Free delivery: Aug 03

If paid before 14:00

Part no. 4G0121214AF

Audi A6 C7 Radiator Coolant Reservoir Bracket Mount Lower Front 4G0121214AF

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 03L121157-1

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

PLN 94.95

Free delivery: Aug 03

If paid before 14:00

Part no. 5Q0121407G

Audi A3 8V Expansion Tank Header Coolant Reservoir Bottle 5Q0121407G

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 5Q0121205AL

Radiator Fan Shroud Audi A3 8V Q2 GA Engine Cooling Fan Motor 400W 5Q0121205AL

PLN 379.95

Free delivery: Aug 3 – 4

If paid before 14:00

Part no. 8K0122055B-1

Audi A4 B8 Water Return Coolant Pipe Hose Line 2.0 TDI Diesel Engine 8K0122055B

PLN 161.95

Free delivery: Aug 03

If paid before 14:00

Part no. 059121064D-1

Audi A5 8T Water Hose Cooling Coolant Radiator Pipe Line 3.0 TDI 059121070J

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 8K0317823B

Oil Pipe Audi A4 B8 A5 8T Diesel Gearbox Cooler Line 8K0317823B

PLN 218.95

Free delivery: Aug 03

If paid before 14:00

Part no. 1K0122073FS

Volkswagen Audi Seat Skoda Water Hose Radiator Coolant Pipe Line 1K0122073FS

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 7L0819857C

Audi Q7 4L Coolant Pipe Hose Line Duct Tube 3.0 TDI 7L0819857C

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 04L965559

Audi A4 B8 Auxiliary Water Coolant Pump Mount Bracket 2.0 TDI 04L965559

PLN 108.95

Free delivery: Aug 03

If paid before 14:00

Part no. 8K0819332M

Audi A4 B8 Water Coolant Pipe Hose Line Tube 2.0 TDI CNHC 8K0819332M

PLN 123.95

Free delivery: Aug 03

If paid before 14:00

Part no. 059121008M

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

PLN 123.95

Free delivery: Aug 03

If paid before 14:00

Part no. 8W0819334AE

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

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 4K0145050C

Audi A6 C8 Engine Water Coolant Pipe Hose Line 50 TFSIe 4K0145050C

PLN 151.95

Free delivery: Aug 03

If paid before 14:00

Part no. 059121008K

Water Pump Audi A5 8T A6 C7 A8 D4 3.0 TDI Coolant Circulation Unit 059121008K

PLN 47.95

Delivery: Aug 03

If paid before 14:00

Part no. 4G0121049AG

Audi A6 C7 2.0 TDI CGLC Water Radiator Coolant Pipe Hose Tube Line 4G0121049AG

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 059122445F

Audi Q7 Q8 4M 3.0 TDI Engine Coolant Hose Line Tube Pipe 059122445F

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 03C121070M

Audi A1 8X Water Pipe Hose Line Engine Cooling Coolant Unit Hose 03C121070M

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 059121511G

Audi A5 8T Coolant Pipe Water Hose Cooling Line 2.7 TDI Diesel 059121511G

PLN 56.95

Delivery: Aug 03

If paid before 14:00

Part no. 4G0122449

Audi A7 4G Engine Water Coolant Cooling Hose Pipe Line 3.0 TDI Diesel 4G0122449

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 8K0805201-1

Audi Q5 8R Coolant Mounting Radiator Holder Bracket Set 8K0805201

PLN 94.95

Free delivery: Aug 03

If paid before 14:00

Part no. 8K0121081Q

Audi A4 B8 A5 8T Radiator Water Coolant Pipe Hose Line 2.0 TFSI CDNC 8K0121081AH

PLN 94.95

Free delivery: Aug 03

If paid before 14:00

Part no. 4F0121107AH

Audi A6 C6 Water Coolant Pipe Hose Line 2.0 TFSI 4F0121107AH

PLN 94.95

Free delivery: Aug 03

If paid before 14:00

Part no. 5Q0121070BT

VW Volkswagen Polo AW Mk6 Water Hose Engine Coolant Pipe 2.0 TFSI 5Q0121070BT

PLN 94.95

Free delivery: Aug 03

If paid before 14:00

Part no. 5Q0121070BQ

Audi S3 8V Water Hose Engine Coolant Cooling Pipe Line 5Q0121070BQ

PLN 94.95

Free delivery: Aug 03

If paid before 14:00

Part no. 06E121044L-2

Audi S5 8T A4 S4 B8 A6 C7 Water Coolant Pipe Hose Line 3.0 TFSI 06E121044L

PLN 99.95

Free delivery: Aug 03

If paid before 14:00

Part no. 07K145735G

Audi RS3 8Y Turbocharger Turbo Oil Return Pipe Line 2.5 Petrol 07K145735G

PLN 379.95

Free delivery: Aug 03

If paid before 14:00

Part no. 059121065DT

Audi SQ5 8R 3.0 TDI CGQB Radiator Water Hose Line Tube Pipe 059121065DT

PLN 123.95

Free delivery: Aug 03

If paid before 14:00

Part no. 04L122157AQ

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

PLN 142.95

Free delivery: Aug 03

If paid before 14:00

Part no. 059131685D

Audi A6 A7 4G8 3.0 TDI Oil Cooler Radiator Bracket Mount 059131685D

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 5Q0906457C

Audi A3 8V A3 8Y A5 B10 A6 C8 A7 4K Water Cooler Pump Control Valve 5Q0906457C

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 8W0145924P

Audi A4 B9 Water Hose Cooling Radiator Coolant Pipe Line 8W0145924P

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 4G0121485BE

Audi A6 C7 A7 4G8 Water Radiator Coolant Pipe Hose Tube Line Diesel 4G0121485BE

PLN 75.95

Free delivery: Aug 03

If paid before 14:00

Part no. 8W0122448S

Audi A5 F5 Water Coolant Hose Line Pipe Tube 8W0122448S

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 8K0121036E

Audi A4 B8 A5 8T A5 S5 Radiator Coolant Hose Tube Line Pipe 8K0121036E

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 4E0965559D

Audi S8 D3 Additional Water Coolant Pump 4E0965559D

PLN 189.95

Free delivery: Aug 03

If paid before 14:00

Part no. 8J0121447F

Audi TT 8J 1.8 Petrol CDAA Engine Coolant Vent Hose Pipe 8J0121447F

PLN 75.95

Free delivery: Aug 03

If paid before 14:00

Part no. 059121445L

Audi A6 C8 Engine Cooling Coolant Water Hose Line Pipe Tube 059121445L

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 03C121019J

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

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 8K0819332B

Water Pipe Audi A5 S5 8T S4 B8 8K 3.0 TFSI V6 Coolant Hose Line 8K0819332B

PLN 94.95

Free delivery: Aug 03

If paid before 14:00

Part no. 4K0819374Q

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

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 8P0820741A

Audi RS3 8P Refrigerant Hose Cooling Radiator Coolant Pipe Line 8P0820741A

PLN 218.95

Free delivery: Aug 3 – 4

If paid before 14:00

Part no. 8S0121284B

Audi TT FV Radiator Fan Air Guide Mount Bracket Right O/S 8S0121284B

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 06A121065CB

Audi A3 8P Coolant Hose Water Pipe Cooling Line 1.6 Petrol 06A121065CB

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 8R0121101G

Audi A4 B8 A5 Water Coolant Hose Pipe Line 8R0121101G

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 06E121044AB

Audi S4 B8 S5 8T Engine Coolant Pipe Water Hose Line 3.0 TFSI 06E121044AB

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 06H121057E

Audi A5 8T Water Hose Cooling Coolant Radiator Pipe Line 06H121057E

PLN 42.95

Delivery: Aug 03

If paid before 14:00

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