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

Make

Audi Q7 4M S3 8V Auxiliary Electric Additional Water Pump Coolant 5Q0122096K

Product currently unavailable

Part no. 7L0959455F

Audi Q7 4L Radiator Fan Engine Motor Cooling Fan 7L0959455F

Product currently unavailable

Part no. 059130299F

Audi A5 8T 3.0 TDI CCWA Diesel Fuel Line Temperature Sensor Pipe Hose 059130299F

Product currently unavailable

Part no. 5Q0121070AP

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

Product currently unavailable

Part no. 4N0965567

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

Product currently unavailable

Part no. 4F0121003P

Audi A6 C6 2.0 TDI CAHA Diesel Diffuser Radiator Fan Shroud 4F0121003P

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. 021121031A

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

Product currently unavailable

Part no. 5N0122447BA

Audi Q3 8U Coolant Hose Tube Pipe Line 5N0122447BA

Product currently unavailable

Part no. 059121507L

Audi Q7 4L Engine Coolant Cooling Hose Pipe Left N/S 3.0 TDI Diesel 059121507L

Product currently unavailable

Part no. 5Q0122051BJ

Audi A3 8V 1.6 TDI CRKB Water Coolant Pipe Hose Line Tube 5Q0122051BJ

Product currently unavailable

Part no. 4H0965567A

Audi Q5 8R Water Coolant Pump Engine Cooling 4H0965567A

Product currently unavailable

Part no. 1K0959455FB

Audi A3 8P Water Radiator Shroud Fan Engine Cooling 1K0959455FB

Product currently unavailable

Part no. 5N0121049Q

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

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. 4Z7959455M

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

Product currently unavailable

Part no. 4F0121003D

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

Product currently unavailable

Part no. 8K0121056R

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

Product currently unavailable

Part no. 5WA145838

Audi S3 8Y VW Golf Mk8 Water Cooling Coolant Radiator Pipe 2.0 TFSI 5WA145838

Product currently unavailable

Part no. 5Q0121251HS

Audi A3 8V Q3 F3 VW Golf 5G CD BQ Engine Cooling Radiator 2.0 Diesel 5Q0121251HS

Product currently unavailable

Part no. 05E103495AT

Audi Q2 GA 25 TFSI Oil Separator Breather Hose 05E103495AT

Product currently unavailable

Part no. 059103171EC

Audi A7 4G 3.0 TDI Quattro Engine Covering Spacer Plate 059103171EC

Product currently unavailable

Part no. 05E965561

Audi Seat Skoda Volkswagen Auxiliary Water Pump Coolant 05E965561

Product currently unavailable

Part no. 06D121133A

Audi A4 B7 Water Coolant Engine Cooling Flange Pipe Hose Line 06D121133A

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. 1K0121051AT

Audi TT 8J VW Golf Mk6 Passat B7 Water Coolant Pipe Engine Cooling 1K0121051AT

Product currently unavailable

Part no. 8E0317818AC

Audi A6 C6 Gearbox Oil Cooler Hose Pressure Line Automatic 2.0 TDI 8E0317818AC

Product currently unavailable

Part no. 06A121133AL

Audi A3 8P 1.6 MPI BSE Petrol Coolant Thermostat Housing Sensor 06A121133AL

Product currently unavailable

Part no. 4H0805594E

Audi A8 D4 Front Radiator Reinforcement Bracket Support 4H0805594E

Product currently unavailable

Part no. 7L8121058A

Audi Q7 4L 4.2 TDI Coolant Hose Radiator Pipe Water Cooling Line 7L8121058A

Product currently unavailable

Part no. 8K0121036F

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

Product currently unavailable

Part no. 8K0317818DM

Audi A5 8T 3.0 TDI Oil Pipe Line Tube Hose Automatic Gearbox 8K0317818DM

Product currently unavailable

Part no. 8S0121283B

Audi TT FV Radiator Fan Air Guide Mount Bracket Left N/S 8S0121283B

Product currently unavailable

Part no. 06E121045J

Audi A4 B8 3.2 FSI Water Hose Radiator Coolant Pipe Line Tube 06E121045J

Product currently unavailable

Part no. 8E0145806Q

Audi A4 B7 3.0 TDI Radiator Intercooler Charge Air Cooler Turbo 8E0145806Q

Product currently unavailable

Part no. 04L121065CC

Audi Q3 8U Water Coolant Pipe Hose Line 2.0 TDI 04L121065CC

Product currently unavailable

Part no. 8E0121251A

Audi A4 B7 2.0 TDI Diesel Coolant Radiator Water Cooling Radiator 8E0121251A

Product currently unavailable

Part no. 059121065FL

Audi A4 B9 Q7 4M 3.0 Diesel Coolant Water Hose Line Tube Pipe 059121065FL

Product currently unavailable

Part no. 7L0959455E

Audi Q7 4L 4.2 TDi BTR 4.2 FSI BAR Radiator Fan Blades Motor 7L0959455E

Product currently unavailable

Part no. 06M103515H

Audi S5 F5 Engine Oil Separator Breather Valve 3.0 TFSI Petrol 06M103495P

Product currently unavailable

Part no. 07K121499K

Audi RS3 8Y Water Pipe Engine Cooling Coolant Hose Line 2.5 TFSI 07K121499K

Product currently unavailable

Part no. 04L122073B

Audi A3 8V 2.0 TDI Diesel Water Pipe Engine Cooling Coolant Hose Line 04L122073B

Product currently unavailable

Part no. 059121086BD

Audi A4 B9 Q7 4M 3.0 Diesel Engine Coolant Water Pipe Hose Line Tube 059121086BD

Product currently unavailable

Part no. 059121399

Coolant Hose Audi A6 C6 A4 B7 Q7 4L Diesel Left N/S Pipe Line Tube 059121399

Product currently unavailable

Part no. 07K103495B

Oil Separator Audi RS3 8V TTRS 8S 2.5 TFSI DAZA Breather Valve 07K103495B

Product currently unavailable

Part no. 07K117021G-1

Audi RS3 8Y Engine Oil Cooler Coolant Unit 2.5 TFSI Petrol 07K117021G

Product currently unavailable

Part no. 7L6122447BJ

Audi Q7 4L Engine Coolant Hose Pipe Line Tube 7L6122447BJ

Product currently unavailable

Part no. 8K0121251R

Audi A4 B8 Coolant Radiator Engine Cooling Unit Radiator 8K0121251R

Product currently unavailable

Part no. 8W0122073L

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

Product currently unavailable

Part no. 6X0973802A

Audi A6 C7 2.0 Diesel Temperature Sensor Wire Harness 6X0973802A

Product currently unavailable

Part no. 8K0959501F

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

Product currently unavailable

Part no. 8E0260707BK

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

Product currently unavailable

Part no. 5Q0122073CE

Volkswagen Passat B8 Water Coolant Hose Tube Line Pipe 2.0 TDI 5Q0122073CE

Product currently unavailable

Part no. 4H0121081AB

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

Product currently unavailable

Part no. 4M0611931BF

Audi Q7 4M Volkswagen VW Touareg CR7 Coolant Hose Pipe 4M0611931BF

Product currently unavailable

Part no. 5WA122101AM

Audi S3 8Y 2.0 TFSI Coolant Water Hose Line Tube Pipe Connector 5WA122101AM

Product currently unavailable

Part no. 8K0959455P

Audi Q3 8U Radiator Fan Engine Cooling Cooler Blower Unit 8K0959455P

Product currently unavailable

Part no. 079121012B

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

Product currently unavailable

Part no. 04L131525C

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

Product currently unavailable

Part no. 079121481G

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

Product currently unavailable

Part no. 3C0121157CC

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

Product currently unavailable

Part no. 4G0819377AA

Audi A7 4G Water Hose Cooling Coolant Pipe Line 4G0819377AA

Product currently unavailable

Part no. 8V0121124

Audi RS3 8V Engine Oil Coolant Hose Pipe Line Tube 2.5 TFSI 8V0121124

Product currently unavailable

Part no. 8E0121044B

Audi A4 B7 Water Hose Cooling Radiator Coolant Pipe Line 8E0121044B

Product currently unavailable

Part no. 03G121157G

Audi A4 B7 2.0 TDI Water Hose Radiator Coolant Pipe Line 03G121157G

Product currently unavailable

Part no. 8K0122101G

Audi A5 8T Heater Water Cooling Coolant Pipe Hose Line 8K0122101G

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. 8R0819332N

Audi Q5 8R 2.0 TDI Engine Water Coolant Pipe Hose Line Diesel 8R0819332N

Product currently unavailable

Part no. 1K0121207AA

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

Product currently unavailable

Part no. 059117021R

Audi A8L D4 3.0 TDI CBTA Engine Oil Cooler 059117021R

Product currently unavailable

Part no. 7L6121212B

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

Product currently unavailable

Part no. 021121031D

Audi TT 8J 3.2 V6 BUB Water Pump Pulley Water Wheel Guide 021121031D

Product currently unavailable

Part no. 8K0121030K-1

Audi A4 B8 Water Hose Radiator Coolant Pipe Line 1.8 2.0 Petrol 8K0121030K

Product currently unavailable

Part no. 1K0121207T-1

Audi A3 8P Engine Cooling Radiator Fan Twin Ring Shroud Petrol 1K0121207T

Product currently unavailable

Part no. 8E0145738D

Audi A4 B7 3.0 TDI BKN Turbo Intercooler Pipe Hose Line Tube 8E0145738D

Product currently unavailable

Part no. 03L121157B

Audi A4 B8 A5 8T 2.0 TDI Water Hose Cooling Pipe Line 03L121157B

Product currently unavailable

Part no. 8K0122101G-1

Audi A4 B8 A5 8T Heater Water Coolant Pipe Hose Line 1.8 2.0 Petrol 8K0122101G

Product currently unavailable

Part no. 8K0121003P

Audi A4 B8 Q5 8R Engine Cooling Radiator Fan Shroud Coolant Panel 8K0121003P

Product currently unavailable

Part no. 5Q0122096G

Audi A3 8V VW Golf MK7 Auxiliary Electric Additional Water Pump 5Q0122096G

Product currently unavailable

Part no. 7L0121407F

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

Product currently unavailable

Part no. 6C0122051F

Audi A1 8X 1.6 TDI Diesel Water Coolant Pipes Hoses Cooling Line 6C0122051F

Product currently unavailable

Part no. 6C0122101AC

Audi A1 8X Water Coolant Pipe Hose Line Flange 1.4 TFSI 6C0122101AC

Product currently unavailable

Part no. 1K0121086AC

Coolant Hose Audi A3 8P VW Golf 5 Seat Leon 2 Diesel 2.0 Tdi BMN 1K0121086AC

Product currently unavailable

Part no. 06L121492M

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

Product currently unavailable

Part no. 1K0121096R

Audi A4 B7 2.0 TDI Diesel Water Hose Cooling Coolant Pipe Line 1K0121096R

Product currently unavailable

Part no. 8K0819345H

Audi A4 B8 Coolant Cooling Engine Pipe Hose Line Radiator 8K0819345H

Product currently unavailable

Part no. 06B121070H

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

Product currently unavailable

Part no. 8K0121081BC

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

Product currently unavailable

Part no. 8E0121101T-1

Audi A4 B7 Upper Radiator Coolant Hose Pipe Line 3.2 AUK 8E0121101T

Product currently unavailable

Part no. 8J0201215H

Audi TT 8J 3.2 FSI Fuel Feed Pipe Line Hose 8J0201215H

Product currently unavailable

Part no. 057121075AF

Audi Q7 4L 4.2 TDI Water Coolant Pipe Hose Tube Line 057121075

Product currently unavailable

Part no. 06M129666F

Audi RS5 F5 Turbo Coolant Hose Line Tube Pressure Pipe Petrol 06M129666F

Product currently unavailable

Part no. 8K0819374D

Audi S4 B8 A5 8T Water Pipe Engine Cooling Coolant Hose Line 3.0 TFSI 8K0819374D

Product currently unavailable

Part no. 06M919501

Audi A5 S5 F5 Water Coolant Temperature Control Sensor Unit 06M919501

Product currently unavailable

Part no. 06M121031D

Audi A4 B9 A5 RS5 F5 Engine Water Pump Pulley 2.9 TFSI DECA Petrol 06M121031D

Product currently unavailable

Part no. 1K0121157AT

VW Golf Mk5 Audi A3 8P EGR Coolant Hose Pipe Line 2.0 TDI 1K0121157AT

Product currently unavailable

Part no. 8J0121284A

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

Product currently unavailable

Part no. RHD-8W2122109E

Water Cooling Hose Audi A4 B9 A5 F5 Radiator Coolant Pipe Line 8W2122109E

Product currently unavailable

Part no. 4F0819334D

Audi A6 C6 4F Heater Water Coolant Pipe Hose 3.0 TDI 4F0819334D

Product currently unavailable

...

Showing 892-990 of 1263 products