Engine cooling
More informationAt 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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Part no. 5N0122063D
Audi Q3 8U Electric Water Pump Additional Coolant Pump 5N0122063D
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Part no. RHD-8W2121405H
Audi A5 S5 Expansion Coolant Tank Overflow Bottle 8W2121405H
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Part no. 059121670G
Audi A7 4G8 Cooling Hose Coolant Pipe Line 059121086BG
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Part no. 04L121058H
Audi TT FV Q3 8U Water Hose Cooling Coolant Pipe Line 2.0 TDI Diesel 04L121058H
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Part no. 038121065BH
Audi A4 B7 1.9 TDI Water Coolant Pipe Hose Line Tube 038121065BH
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Part no. 8E0121405A
Audi A4 B7 Coolant Water Reservoir Overflow Expansion Tank Bottle 8E0121405A
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Part no. 07K965561
Audi A3 RS3 8V Auxiliary Additional Electric Water Pump Unit 07K965561
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Part no. 1K0959455FJ
Audi A3 8P Radiator Fan Engine Motor Cooling 1K0959455FJ
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Part no. 079121070T
Audi A4 B7 4.2 V8 Coolant Pipe Hose Line Tube Cooling 079121070T
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Part no. 4G0145909B
Audi A4 B8 A5 8T 2.0 TDI Water Coolant Pipe Hose Line 4G0145909B
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Part no. 059121031H
Audi Q5 8R 3.0 TDI Diesel Coolant Pump Pulley Water Pump Wheel 059121031H
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Part no. 079121012B
Audi A4 B7 4.2 V8 Water Pump Coolant Cooling Unit 079121012B
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Part no. 4G0145910B
Audi A4 B8 A5 8T 2.0 TDI Water Coolant Pipe Hose Line 4G0145910B
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Part no. 059121086AH
AUDI Q7 4L Quattro Diesel CRCA 3.0 TDI Coolant Hose Water Line 059121086AH
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Part no. 07L121071M
Audi S8 D3 Water Cooling Liquid Hose Coolant Pipe Line 07L121071M
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Part no. 8K0121055B
Water Hose Cooling Audi A4 S4 8B A5 S5 8T Radiator Coolant Pipe Line 8K0121055B
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Part no. 079121065P
Audi A4 B7 4.2 V8 Petrol Coolant Pipe Cooler Water Hose 079121065P
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Part no. 8V0121075
Audi RS3 8V Engine Water Coolant Pipe Hose Liesel 8V0121075
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Part no. 5Q0121407D
Audi A3 8V Expansion Tank Header Coolant Reservoir Bottle 5Q0121407D
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Part no. 5Q012210GJ
Audi A3 8V Water Hose Cooling Radiator Coolant Pipe Line 5Q012210GJ
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Part no. 04E121121K
Audi A3 8V 1.4 TFSI Petrol Engine Water Coolant Pump 04E121121K
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Part no. 079121481G
Cooling Hose Audi S4 B7 4.2 V8 Petrol Coolant Pipe Line 079121481G
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Part no. 6R0122101AQ
Audi A1 8X Coolant Cooling Engine Pipe Hose Line Radiator 6R0122101AQ
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Part no. 04L121065AN
Audi A5 8T Water Coolant Pipe Hose Line Tube 04L121065AN
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Part no. 5Q0122157CL
Audi A3 8V 35 TDI Water Hose Cooling Radiator Coolant Pipe Line 5Q0122157CL
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Part no. 4F0121251AE
Audi A6 C6 FL Water Hose Radiator Coolant Cooling 4F0121251AE
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Part no. 8K0121049L
Audi A4 B8 Water Hose Radiator Coolant Pipe Line 2.0 TDI 8K0121049L
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Part no. 8E0145738D
Audi A4 B7 3.0 TDI BKN Turbo Intercooler Pipe Hose Line Tube 8E0145738D
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Part no. 8K0907659
Audi A4 B8 A5 8T AUC Sensor Interior Air Quality Unit 8K0907659
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Part no. 5Q0121619A
Audi A3 8V TT FV VW Golf Mk7 Water Coolant Connector Flange Diesel 5Q0121619A
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Part no. 8V0121073
Audi RS3 8V Water Pipe Hose Line Engine Cooling Coolant Unit Hose 8V0121073
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Part no. 03C121065L
Audi A1 8X Petrol Water Coolant Hose Pipe 03C121065L
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Part no. 5Q0121251GQ
Audi Q2 GA A3 8V Coolant Radiator Engine Cooling Unit 1.4 Petrol 5Q0121251GQ
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Part no. 06H121085H
Audi A5 8T 2.0 TFSI Water Hose Cooling Radiator Coolant Pipe Line 06H121085H
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Part no. RHD-4E0959617C
Audi A8 S8 D3 Auxiliary Water Pump Electric Coolant Unit Valve 4E0959617C
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Part no. 06E121065N
Audi Q5 8R 3.0 TFSI Water Hose Cooling Coolant Pipe Line 06E121065N
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Part no. 04L121065AK
Audi A5 8T Heater Water Cooling Coolant Pipe Hose Line 04L121065AK
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Part no. 059906088BJ
Audi Q7 4L 3.0 TDI CLAB Diesel Temperature Exhaust Gas Sensor 059906088BJ
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Part no. 80A122101BK
Audi Q5 FY Coolant Water Hose Line Cooling Unit Tube Pipe Petrol 80A122101BK
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Part no. 8J0201216C
Audi TT 8J Water Coolant Hose Line Return Tube Pipe 8J0201216C
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Part no. 4G0121049AG
Audi A6 C7 2.0 TDI CGLC Water Radiator Coolant Pipe Hose Tube Line 4G0121049AG
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Part no. 4F0959455A
Audi A6 C6 2.0 TDI CAGB Right O/S Engine Cooling Fan 200W 280MM 4F0959455A
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Part no. 06K121075AR
Coolant Pipe Audi Q3 8U VW Beetle Cabrio Water Cooling Hose 06K121075AR
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Part no. 07K103207
Oil Separator Pipe Audi RS3 8V TTRS 8S 2.5 TFSI Breather Hose Line 07K103207
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Part no. 4E0121403H
Audi S8 D3 Coolant Expansion Tank Reservoir Bottle Fluid Tank 4E0121403H
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Part no. 4F0145805AD
Audi A6 C6 FL Radiator Intercooler Charge Air Cooler Turbo 4F0145805AD
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Part no. 03L965561A
Audi A4 B8 2.0 TDI Auxiliary Water Pump Coolant Circulation Bracket 03L965561A
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Part no. 8N0103926G
Audi TT 8N Expansion Tank Header Reservoir Bottle Trim Cover 8N0103926G
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Part no. 4H0959455AB-1
Audi A8 D4 Radiator Fan Engine Cooling Motor Unit 4H0959455AB
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Part no. 8E0121212J-1
Audi S4 B6 Coolant Radiator Water Cooling Radiator 8E0121212J
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Part no. 7P0965561
Audi Q7 4L 3.0 TDI BUG Additional Auxiliary Water Coolant Pump 7P0965561
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Part no. 5N0121064J
Coolant Hose Audi Q3 8U Volkswagen Tiguan 5N Metal Pipe Radiator 5N0121064J
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Part no. 8V0121124
Audi RS3 8V Engine Oil Coolant Hose Pipe Line Tube 2.5 TFSI 8V0121124
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Part no. 04L121064T-1
Audi Seat Volkswagen Skoda Engine Coolant Pipe Hose Line 04L121064T
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Part no. 1K0121223-1
Audi TT 8J Engine Cooling Coolant Radiator Fan Unit 1K0121223
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Part no. 07K121057A
Coolant Hose Audi RS3 8V TTRS 8S 2.5 TFSI Cooling Pipe Line 07K121057A
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Part no. 04L121111
Audi A3 8V Thermostat Coolant Housing Valve 04L121111
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Part no. 7L6122051T
Audi Q7 4L 3.0 TDI BUG Water Coolant Hose Pipe Line Tube 7L6122051T
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Part no. 80A122449Q
Audi Q5 FY 2.0 TFSI Petrol Water Hose Cooling Coolant Pipe Line 80A122449Q
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Part no. 7L8121070BG
Audi Q7 4L 3.0 TDI Water Coolant Pipe Hose Line 7L8121070BG
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Part no. 04L131552DP
Audi A3 8V 30 TDI DGTE Diesel Exhaust Gas Pressure Sensor Pipe Hose 04L131552DP
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Part no. 8R0121049AJ
Audi Q5 8R 3.0 TDI Coolant Water Hose Line Tube Pipe 8R0121049AJ
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Part no. 3Q0122058E
Audi Q2 GA 2.0 TDI Water Hose Cooling Radiator Coolant Pipe Line 3Q0122058E
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Part no. 4G0122101AJ
Water Hose Audi A6 C7 A7 4G Diesel Cooling Radiator Pipe Line 4G0122101AJ
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Part no. 059121465A
Audi A7 4G 3.0 TDI Quattro Water Hose Cooling Radiator Pipe Line 059121465A
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Part no. 8E0265381
Audi A3 8V 35 TDI Water Coolant Pipe Hose Line 8E0265381
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Part no. 5Q0122073AE
Audi Q3 8U Water Coolant Hose Tube Line Pipe 2.0 TDI DFTA Diesel 5Q0122073AE
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Part no. 5Q0121070AF
Audi A3 8V Water Hose Cooling Coolant Radiator Pipe Line 5Q0121070AF
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Part no. 06K145778K
Audi Q3 2.0 TFSI CULB Oil Pipe Line Tube Hose 06K145778K
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Part no. 8K0121055E
Audi A5 8T Water Hose Cooling Coolant Radiator Pipe Line Diesel 8K0121055E
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Part no. 5Q0122073R
Audi A3 8V Water Hose Coolant Pipe Line Tube 5Q0122073R
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Part no. 8R0122101Q
Audi Q5 8R 3.0 TDI Water Coolant Pipe Hose Line 8R0122101Q
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Part no. 7L8121073H
Audi Q7 4L 3.0 TDI Water Coolant Pipe Hose Line 7L8121073H
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Part no. 059121008
Audi A6 C7 A7 4G SQ5 8R 3.0 TDI CGQB Coolant Water Pump Unit 059121008
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Part no. 1K0121096AB
VW Golf MK5 Audi Seat Skoda 1.9 TDI Water Hose Coolant Pipe Line 1K0121096AB
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Part no. 8R0819332N
Audi Q5 8R 2.0 TDI Engine Water Coolant Pipe Hose Line Diesel 8R0819332N
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Part no. 1K0122101CC
Audi A4 B7 Water Hose Cooling Coolant Radiator Pipe Line 1K0122101CC
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Part no. 04L121064T
Audi A3 8V Engine Coolant Pipe Hose Line 04L121064T
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Part no. 03L117021C
Audi Volkswagen Seat Skoda Diesel Oil Filter Housing Oil Cooler 03L117021C
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Part no. 06H121492D
Audi A5 8T 2.0 TFSI Turbine Cooling Hose Pipe Hose Line 06H121492D
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Part no. 8R0121081AD
Audi Q5 8R 2.0 TDI Expansion Bottle Tank Radiator Hose Line Pipe 8R0121081AD
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Part no. 7L0959455E
Audi Q7 4L 4.2 TDi BTR 4.2 FSI BAR Radiator Fan Blades Motor 7L0959455E
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Part no. 7L0959455C
Audi Q7 Volkswagen Touareg Radiator Fan Blade Motor 7L0959455C
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Part no. 8V0121036
Audi RS3 8V Coolant Cooling Radiator Pipe Line Hose 8V0121036
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Part no. 7L0121407F
Audi Q7 4L Radiator Expansion Overflow Reservoir Tank Bottle 7L0121407F
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Part no. 059121005TX-1
Audi A7 4G Water Pump Coolant Circulation Cooling Unit 059121005TX
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Part no. 3C0122101FS
Volkswagen SEAT Skoda Audi Water Coolant Pipe Line Hose 3C0122101FS
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Part no. 5N0121064H
Audi Q3 8U Volkswagen Tiguan 5N Coolant Hose Metal Pipe Radiator 5N0121064H
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Part no. 06E121083N
Audi A4 S4 B8 3.0 TFSI Water Hose Coolant Pipe Line Tube 06E121083N
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Part no. 04L121065
Audi A3 8V Engine Water Coolant Pipe Cooling Hose Line 04L121065
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Part no. 8E0121251AB
Audi A4 S4 B6 Coolant Radiator Engine Cooling Unit Radiator 8E0121251AB
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Part no. 06A121065AP
Audi A3 8P Coolant Hose Water Pump Pipe Cooling Line 1.6 Petrol 06A121065AP
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Part no. 04L121065CR
Water Hose Audi A3 8V Skoda Octavia IV 1.6 TDI Coolant Line Pipe 04L121065CR
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Part no. 1K0959455FB-1
Audi A3 8P Water Radiator Fan Motor Engine Cooling Unit 1K0959455FB
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Part no. 8W0906088E
Audi A4 B9 2.0 TDI Diesel Exhaust Gas Temperature Sensor 8W0906088E
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Part no. 6C0122109A
Audi A1 8X 1.4 TFSI Engine Water Coolant Pipe Hose Line Tube 6C0122109A
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Part no. 8K0121101L
Audi S5 8T 4.2 FSI CAUA Upper Coolant Radiator Hose Line Pipe 8K0121101L
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Part no. 4M0121095
Audi A4 A5 Q5 Upper Radiator Mount Bracket Carrier Mounting Set 4M0121095
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Part no. 06L121081K
Audi Q5 FY 2.0 TFSI Water Cooling Line Vacuum Breather Pipe Hose 06L121081K
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Engine cooling system parts – proven solutions for your car
Cooling components for BMW, Audi, Mercedes and others – guaranteed quality and fit
The engine cooling system is one of the most important systems in any vehicle, responsible for maintaining optimal operating temperature of the engine. It prevents engine overheating and protects against costly breakdowns. At Global Parts, you'll find a wide selection of used car parts. for cooling systems such as radiators, fans, water pumps, and thermostats. Our range of cooling systems is tailored to brands such as BMW , Audi , Volkswagen , Mercedes , Mini, and many others, so you'll find the perfect solution for your vehicle.
How does the engine cooling system work?
The engine cooling system is a complex system responsible for removing excess heat generated during engine operation. Its key components include:
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- Fans and fan housings – They are responsible for air flow and radiator cooling.
- Cooling system hoses and lines – They transport the coolant between individual system components.
- Water coolers – Key elements responsible for collecting heat from the engine and dissipating it.
- Thermostats and housings – Regulate coolant flow, maintaining optimal engine temperature.
- Water pumps – They drive the circulation of coolant, enabling efficient engine cooling.
- Oil coolers and hoses – They help maintain optimal oil temperature, reducing oil degradation.
- Expansion tanks – They are responsible for maintaining the proper coolant level and compensating for changes in liquid volume.
- Overlays – Protective elements of the cooling system, increasing its durability.
- Clamps and mounting parts – They enable stable mounting of cooling system components.
- Fan blades – They support cooling by increasing airflow.
- Fan clutches – Regulates the fan speed depending on the engine temperature.
- Fan and blower motors – They are responsible for the operation of the fan, ensuring proper cooling.
- Temperature sensors – Monitor engine and coolant temperature, sending information to the controller. All of these components work together to keep the engine at a stable operating temperature, protecting it from overheating or overcooling.
Parameters of cooling systems in cars
The engine cooling system in a passenger car operates at temperatures ranging from 85°C to 105°C, depending on the vehicle model and manufacturer's specifications. Modern radiators are typically constructed of aluminum, which provides better thermal conductivity and lower weight. Coolant flow requires adequate pressure—typically between 0.9 and 1.5 bar —which is maintained by the reservoir cap. Proper operation of this system is crucial to maintaining engine efficiency.
Why is it worth taking care of the engine cooling system?
Regular maintenance and replacement of worn cooling system components is essential for long and reliable engine operation. A neglected system can lead to:
- Engine overheating, which increases the risk of serious damage.
- Coolant leaks that may reduce cooling efficiency.
- Higher repair costs resulting from failures caused by a faulty system. At Global Parts we offer genuine used car parts, which undergo detailed quality tests, ensuring their reliability.
The most common cooling system components and their roles:
| System element | Function | Typical symptoms of damage |
|---|---|---|
| Cooler | Heat removal from the fluid | Fluid leak, temperature rise |
| Water pump | Coolant circulation | Loud operation, engine overheating |
| Thermostat | Fluid flow regulation | Heating too slowly or overheating too quickly |
| Temperature sensor | Temperature monitoring | Incorrect readings, computer error |
| Fan | Forcing air flow | No cooling when stationary |
How to choose the right parts for your cooling system?
When deciding to purchase parts for the cooling system, it is worth paying attention to several key factors:
- Vehicle-specific fit – Every car make and model has its own technical specifications. At Global Parts, you'll find parts for BMW , Audi , Volkswagen , Mercedes , Mini, and many more.
- Technical condition – Used parts, such as radiators or water pumps, should be fully functional and ready for further use.
- Radiator type – Depending on your needs, you can choose standard, intercooler or radiators dedicated to sports vehicles.
Compatibility examples
When choosing cooling system parts, it's worth considering compatibility with other components. For example, a radiator for a BMW 3 Series (E46) can be fitted to several engine variants – both petrol and diesel – but the water pump will have different part numbers depending on the engine capacity. Similarly, the Audi A4 B8 uses several types of thermostats, varying in opening temperature range (from 87°C to 95°C ).
Why choose used cooling system parts?
Car parts for the cooling system is a solution that combines high quality with savings. Why is it worth considering?
- Lower costs – Used radiators, water pumps and thermostats are much cheaper than new ones, but offer just as high quality.
- Ecology – By choosing used car parts, you support recycling and reduce the amount of automotive waste.
- Wide range – We offer parts for the most popular car brands, so you can easily find the right components for your car.
How to take care of the engine cooling system?
To keep your cooling system running smoothly for a long time, it is worth remembering a few rules:
- Regularly check the coolant level and quality – contaminated or low coolant levels can lead to engine overheating.
- Check the condition of the radiator and pipes – leaks or damage may reduce cooling efficiency.
- Change the coolant according to the manufacturer's recommendations – this is the key to keeping the system in perfect condition. If you notice any problems, you'll find the right used car parts at Global Parts that will help restore your vehicle to full working order.
FAQ - Frequently asked questions about car engine cooling systems
| Question | Answer |
|---|---|
| What is the main purpose of the cooling system? | This is a system of components responsible for maintaining the operating temperature of the drive unit within the optimal range. |
| How does a car radiator work? | The radiator extracts heat from the coolant and releases it to the environment, assisted by a fan and air flow. |
| What does a thermostat do in a cooling system? | The thermostat regulates the moment when coolant begins to circulate through the radiator, allowing the engine to reach operating temperature faster. |
| How do you know if your water pump is faulty? | Symptoms include fluid leaks around the timing belt, unusual operating noises, and increased engine temperature. |
| Are cooling parts the same for all car models? | No – even within a single brand, there are differences in parameters and construction. Therefore, it's worth matching the part by its VIN or catalog number. |
| What are the symptoms of a damaged engine temperature sensor? | These may be incorrect readings on the dashboard, a problem with starting the fan or error messages in the on-board computer. |
| Are used coolers safe? | Yes – provided they have been tested for leaks and are free of mechanical damage. At Global Parts, every part undergoes quality control. |
Summary: Engine Cooling at the Global Parts Automotive Store
The engine cooling system is fundamental to the reliability of any vehicle. By ensuring its proper operation, you ensure your engine operates at optimal operating temperatures, extend its lifespan, and prevent costly breakdowns. The Global Parts automotive store invites you to browse our wide selection of genuine used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or more, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .