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 Q7 4L Water Pipe Hose Line Engine Cooling Coolant Unit Hose 059129089

Product currently unavailable

Part no. 4M0121095

Audi A4 A5 Q5 Upper Radiator Mount Bracket Carrier Mounting Set 4M0121095

Product currently unavailable

Part no. 079121115BD

Audi A7 4G 4.0 TFSI Petrol Engine Water Coolant Thermostat Housing 079121115BD

Product currently unavailable

Part no. 5N0122447T

Audi Q3 8U Engine Water Coolant Pipe Hose Line 2.0 TDI 5N0122447T

Product currently unavailable

Part no. 059121031H

Audi Q5 8R 3.0 TDI Diesel Coolant Pump Pulley Water Pump Wheel 059121031H

Product currently unavailable

Part no. 06H121026AB

Water Pump Audi A3 8P A5 8T 2.0 TFSI Petrol Engine Coolant Unit 06H121026AB

Product currently unavailable

Part no. 4N0965567

Audi A6 C8 Q7 4M A7 4K Water Pump Auxiliary Electric 4N0965567

Product currently unavailable

Part no. 06H121085C

Audi A4 B8 1.8 TFSI Water Hose Cooling Radiator Coolant Pipe Line 06H121085C

Product currently unavailable

Part no. 06K103495AN

Audi Q5 FY Pressure Regulating Valve Engine Oil Separator 2.0 TFSI 06K103495AN

Product currently unavailable

Part no. 8W0121405L

Audi A4 B9 Expansion Tank Engine Coolant Fluid Bottle Reservoir 8W0121405L

Product currently unavailable

Part no. 079121481P

Audi RS4 B8 RS5 8T Engine Cooling Pipe Line Hose 4.2 V8 Petrol 079121481P

Product currently unavailable

Part no. 4L0117336B

Audi Q7 4L Intercooler Air Guide Panel Duct Right O/S 4L0117336B

Product currently unavailable

Part no. 04L121157S

Audi A4 B8 2.0 TDI Water Coolant Pipe Hose Line Tube 04L121157S

Product currently unavailable

Part no. 7L6122101L

Audi Q7 4L Radiator Coolant Hose Water Pipe Line 3.0 TDI 7L6122101L

Product currently unavailable

Part no. 8W0819342L-1

Audi A5 F5 Water Return Coolant Pipe Hose Flow Line 8W0819342L

Product currently unavailable

Part no. 04L131525C

Audi A4 B9 A5 8T Q5 FY Intercooler Hose Pipe Line 04L131525C

Product currently unavailable

Part no. 8W0122073L

Audi A4 B9 Water Hose Cooling Coolant Radiator Pipe Line 8W0122073L

Product currently unavailable

Part no. 03L121065

Audi A3 8P 2.0 TDI Water Coolant Pipe Hose Tube 03L121065

Product currently unavailable

Part no. 06M115401F

Audi A4 S4 B9 Oil Filter Housing Oil Cooler 3.0 TFSI V6 Petrol 06M115401F

Product currently unavailable

Part no. 3C0122101BM-1

Audi A3 8P Water Coolant Pipe Line Hose Cooling Unit 2.0 TDI 3C0122101BM

Product currently unavailable

Part no. 5Q0906457K

Audi Seat Skoda Volkswagen Auxiliary Water Pump Valve Coolant 5Q0906457K

Product currently unavailable

Part no. 5N0965561-1

Auxiliary Water Pump Audi A4 B9 Coolant Circulation Cooling Unit 5N0965561

Product currently unavailable

Part no. 4K0819334L

Audi A6 C8 Radiator Heating Line Tube Pipe Hose 4K0819334L

Product currently unavailable

Part no. 04L906088CH

Audi A1 8X 1.6 TDI Diesel Exhaust Gas Temperature Sensor 04L906088CH

Product currently unavailable

Part no. 5N0122447BA

Audi Q3 8U Coolant Hose Tube Pipe Line 5N0122447BA

Product currently unavailable

Part no. 06M103515F

Oil Separator Audi S4 B9 S5 5F 3.0 TFSI V6 Breather Valve 06M103515F

Product currently unavailable

Part no. 079121071CJ

Audi RS4 B8 RS5 8T Engine Cooling Pipe Water Hose Line 4.2 V8 FSI 079121071CJ

Product currently unavailable

Part no. 1K0122109BT

Volkswagen Golf Mk5 Audi A3 8P Water Hose Cooling Coolant Pipe Line 1K0122109BT

Product currently unavailable

Part no. 4H0121003M

Audi A6 C7 Engine Cooling Double Coolant Fan Motor Shroud 3.0 Diesel 4H0121003M

Product currently unavailable

Part no. 079121012B

Audi A4 B7 4.2 V8 Water Pump Coolant Cooling Unit 079121012B

Product currently unavailable

Part no. 05L121111P

Audi A4 B9 A5 F5 Engine Coolant Thermostat Housing Diesel 2.0 TDI 05L121111P

Product currently unavailable

Part no. 7L0121407F

Audi Q7 4L Radiator Expansion Overflow Reservoir Tank Bottle 7L0121407F

Product currently unavailable

Part no. 06E121045Q-1

Audi A4 S4 B8 Water Hose Radiator Coolant Pipe Line Tube 3.0 TFSI 06E121045BD

Product currently unavailable

Part no. 079121065P

Audi A4 B7 4.2 V8 Petrol Coolant Pipe Cooler Water Hose 079121065P

Product currently unavailable

Part no. 079117315D

Audi RS4 B8 Engine Oil Cooler Pressure Line Pipe Hose 4.2 FSI 079117315D

Product currently unavailable

Part no. 059121004G

Audi A5 8T 3.0 TDI CCWA Diesel Auxiliary Additional Water Pump 059121004G

Product currently unavailable

Part no. 079121481G

Cooling Hose Audi S4 B7 4.2 V8 Petrol Coolant Pipe Line 079121481G

Product currently unavailable

Part no. 059145736D

Audi A5 8T Turbine Lubrication Inlet Oil Feed Line Pipe 059145736D

Product currently unavailable

Part no. 80A122055AK

Audi SQ5 FY Water Hose Cooling Radiator Coolant 80A122055AK

Product currently unavailable

Part no. 3Q0122101CG

VW Volkswagen Golf Mk8 Water Coolant Pipe Hose Line 2.0 TDI Diesel 3Q0122101CG

Product currently unavailable

Part no. 059121465A

Audi A7 4G 3.0 TDI Quattro Water Hose Cooling Radiator Pipe Line 059121465A

Product currently unavailable

Part no. 03L965561

Audi A4 B8 A5 8T 2.0 Diesel Additional Auxiliary Water Pump 03L965561

Product currently unavailable

Part no. 4F0121049E

Audi A4 B7 A6 C7 Engine Water Coolant Pipe Hose Line 2.0 TFSI 4F0121049E

Product currently unavailable

Part no. 8D0121200

Audi A4 B7 A6 C6 A8 D3 Radiator Retaining Peg Clip Mount Bracket 8D0121200

Product currently unavailable

Part no. 6R0122157AA

Audi A1 8X Water Pipe Hose Line Cooling Coolant Unit Hose 6R0122157AA

Product currently unavailable

Part no. 6R0122447K

Audi A1 8X Water Pipe Hose Line Engine Cooling Hose 6R0122447K 6R0122447AM

Product currently unavailable

Part no. 8R0121071H

Audi Q5 8R Coolant Water Hose Line Tube Pipe 8R0121071H

Product currently unavailable

Part no. 04L121058AA

Audi TT FV A5 F5 Water Hose Cooling Coolant Pipe Line 2.0 TDI Diesel 04L121058AA

Product currently unavailable

Part no. 8K0959501G

Audi A4 B8 Radiator Fan Relay Radiator Electrical Module Control Unit 8K0959501G

Product currently unavailable

Part no. 1K0121096AB

VW Golf MK5 Audi Seat Skoda 1.9 TDI Water Hose Coolant Pipe Line 1K0121096AB

Product currently unavailable

Part no. 059906088BB

Audi A4 B8 A5 8T A6 C7 A7 4G 3.0 TDI Exhaust Gas Temperature Sensor 059906088BB

Product currently unavailable

Part no. 04L121058H

Audi TT FV Q3 8U Water Hose Cooling Coolant Pipe Line 2.0 TDI Diesel 04L121058H

Product currently unavailable

Part no. 4F0121055J

Audi A6 C6 Water Hose Coolant Cooling Tube Pipe Line 4F0121055J

Product currently unavailable

Part no. 5N0121049Q

Audi Q3 8U Quick Release Coolant Hose Tube Line Pipe 5N0121049Q

Product currently unavailable

Part no. 4H0965569A

Audi A5 F5 Water Coolant Pump Engine Auxiliary Cooling Unit 4H0965569A

Product currently unavailable

Part no. 4Z7959455M

Audi R8 42 Radiator Fan Engine Cooling Blower Front Left Right N/O/S 4Z7959455M

Product currently unavailable

Part no. 5G0965567-1

Audi A1 8X Volkswagen Golf Mk7 Passat B8 Auxiliary Water Pump Coolant 5G0965567

Product currently unavailable

Part no. 06H906517Q

Audi A3 8V 2.0 TFSI CZPB Oil Separator Breather Valve 06H906517Q

Product currently unavailable

Part no. 06L121492M

Audi Q5 FY Cooling Coolant Hose Pipe Line 2.0 TFSI 06L121492M

Product currently unavailable

Part no. 8K0121081BG

Audi A4 B8 A5 8T 3.0 TDI Rear Coolant Water Breather Pipe Line Hose 8K0121081BG

Product currently unavailable

Part no. 8K0121251H-1

Audi A7 4G8 3.0 TDI Diesel Radiator Engine Water Coolant Unit Cooler 8K0121251H

Product currently unavailable

Part no. 3C0122157FH

Audi TT 8J 1.8 2.0 TFSI Petrol Engine Water Coolant Pipe Hose Line 3C0122157FH

Product currently unavailable

Part no. 8E0121049N

Audi A4 B7 Water Hose Cooling Radiator Coolant Pipe Line 8E0121049N

Product currently unavailable

Part no. 8W0122101BH

Audi A4 B9 Water Hose Cooling Coolant Radiator Pipe Line 8W0122101BH

Product currently unavailable

Part no. 4F0121003D

Audi A6 C6 Engine Cooling Radiator Fan Shroud Panel Diesel 4F0121003D

Product currently unavailable

Part no. 079121111F

Water Coolant Thermostat Audi A4 S4 B6 B7 4.2 V8 Petrol Engine 079121111F

Product currently unavailable

Part no. 80A819370B

Audi Q5 FY 2.0 TFSI Engine Water Coolant Pipe Hose Line 80A819370B

Product currently unavailable

Part no. 8K0121056R

Audi A4 B8 A5 8T Q5 Radiator Coolant Hose Line Pipe Tube 8K0121056R

Product currently unavailable

Part no. 8Y0121103

Audi RS3 8Y 2.5 TFSI Engine Water Cooling Pipe Hose Outer Left N/S 8Y0121103

Product currently unavailable

Part no. 4L0815071

Audi Q7 4L Webasto Auxiliary Water Heater Pump 4L0815071

Product currently unavailable

Part no. 8V0122157

Audi RS3 8Y 2.5 TFSI Engine Water Cooling Pipe Hose Line Tube Center 8V0122157

Product currently unavailable

Part no. 4G0122101P

Audi RS6 C7 Petrol Radiator Upper Hose Line Pipe Left N/S 4.0 TFSI 4G0122101P

Product currently unavailable

Part no. 1K0121087E

Audi A3 8P 1.6 MPI BSE Coolant Flange Pipe Hose Line Tube 1K0121087E

Product currently unavailable

Part no. 059121016G

Audi A6 C7 A7 4G Q7 4M Water Coolant Pump 3.0 TDI 059121016G

Product currently unavailable

Part no. 1J0122109AQ

Audi TT 8N 1.8 T AUQ Cooler Water Hose Line Tube Pipe 1J0122109AQ

Product currently unavailable

Part no. 8K0121212C

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

Product currently unavailable

Part no. 3AA122157

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

Product currently unavailable

Part no. 05E103495AT

Audi Q2 GA 25 TFSI Oil Separator Breather Hose 05E103495AT

Product currently unavailable

Part no. 06L133054

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

Product currently unavailable

Part no. 5Q0121407D

Audi A3 8V Expansion Tank Header Coolant Reservoir Bottle 5Q0121407D

Product currently unavailable

Part no. 7L0959455G

Audi Q7 4L 3.0 TDI Diesel Engine Cooling Radiator Fan Cooler 7L0959455G

Product currently unavailable

Part no. 1K0121087H

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

Product currently unavailable

Part no. 4G0121081CS

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

Product currently unavailable

Part no. 07L121065J

Coolant Hose Audi S8 A8 D3 A6 C6 5.2 Petrol FSI Left N/S Water Pipe 07L121065J

Product currently unavailable

Part no. 06K121497AM

Audi S3 8V VW Golf Mk7 Cooling Water Hose Coolant Pipe Line 2.0 TFSI 06K121497AM

Product currently unavailable

Part no. 06B121070H

Audi A4 B7 1.8 T BFB Coolant Hose Line Tube Pipe 06B121070H

Product currently unavailable

Part no. 7L6122109E

Porsche Cayenne 9PA Audi Q7 4L Water Hose Cooling Radiator Pipe 7L6122109E

Product currently unavailable

Part no. 06N121497

Audi A4 B9 Coolant Hose Line Pipe 06N121497

Product currently unavailable

Part no. 06E121045Q

Audi A4 S4 B8 3.0 TFSI Water Hose Radiator Coolant Pipe Line Tube 06E121045Q

Product currently unavailable

Part no. 06E121083G

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

Product currently unavailable

Part no. 6C0122101AC-1

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

Product currently unavailable

Part no. 5Q0121049K

Audi A3 8V Radiator Coolant Hose Pipe Tube Line 1.4 TFSI 5Q0121049K

Product currently unavailable

Part no. 03C121497F

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

Product currently unavailable

Part no. 5Q0959455BJ

Audi A3 S3 8V Radiator Fan Engine Cooling Coolant Fan Motor 320W 5Q0959455BJ

Product currently unavailable

Part no. 4G0122109AN

Audi A6 C7 A7 4G Water Coolant Pipe Hose Line 1.8 2.0 TFSI 4G0122109AN

Product currently unavailable

Part no. 4G0121403AC

Expansion Tank Audi A6 C7 Overflow Coolant Fluid Reservoir Bottle 4G0121403G

Product currently unavailable

Part no. 1K0122101GQ

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

Product currently unavailable

Part no. 06H103221J

Audi A3 8P A4 B8 Ventilation Breather Pipe Hose Line 1.8 TFSI 06H103221J

Product currently unavailable

Part no. 4F0121081F

Audi A6 C6 Water Hose Coolant Cooling Tube Pipe Line 2.0 Diesel 4F0121081F

Product currently unavailable

...

Showing 1189-1287 of 1520 products