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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Mercedes W205 Water Pump Shutoff Valve Unit M274 Petrol Engine A2742000231

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2742001751-2

Mercedes W204 X253 M274 Water Pipe Engine Cooling Coolant Hose Line A2742001751

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. R6422011110

Mercedes W207 OM642 Diesel Engine Auxiliary Cooling Water Pump R642201110

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6542007800

Mercedes Sprinter W907 OM654 Diesel Engine Coolant Water Pump A6542007800

€70.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1192011530

Mercedes C140 CL420 M119 Water Coolant Thermostat Housing Cover A1192011530

€132.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2044661381

Water Pipe Mercedes W204 M271 Engine Cooling Radiator Coolant Hose A2044661381

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A0002006023-1

Mercedes Vito Viano W639 Radiator Fan Engine Cooling Blower Fan A0002006023

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2760107111

Mercedes W205 C207 W212 C43 AMG Oil Separator Breather Pipe M272.823 A2760107111

€51.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6422001001

Mercedes W164 W204 W211 W221 OM642 Diesel Water Pump A6422001001

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2205010182

Mercedes W220 Radiator Coolant Hose Cooling Line Pipe A2205010182

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A4145010025

Mercedes Vaneo W414 Radiator Breather Pipe Hose A4145010025

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1715000049

Mercedes SLK R171 Coolant Expansion Overflow Tank Fluid Bottle A1715000049

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6542007700-1

Mercedes W213 Diesel Engine Coolant Water Pump Housing Cover A6542000001

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 170741R

Mercedes W415 109CDI Diesel Engine Cooling Thermostat Housing 170741R

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6422030182

Mercedes W639 Water Line Fitting Hose Pipe A6422030182

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2712002452-2

Mercedes W204 Water Pump Hose Radiator Coolant Cooling Pipe Line A2712002452

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2662030882

Water Hose Mercedes W169 W245 M266 Coolant Cooling Pump Pipe Line A2662030882

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A4155010282

Mercedes W415 Water Hose Coolant Cooling Pipe Line A4155010282

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1715010282

Mercedes SLK R171 Water Hose Cooling Radiator Coolant Pipe A1715010282

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2602000051-1

Mercedes W177 Water Hose Coolant Cooling Pipe Line A2602000051

€66.95

Free delivery: Sep 22 – 24

If paid before 14:00

Part no. A6512002002

Mercedes W906 CDI Engine Water Pump Coolant Pump Diesel A6512002002

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2712030382

Mercedes W205 Engine Water Coolant Pipe Hose M271 Petrol A2712030382

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6395280982

Mercedes-Benz Vito Viano W639 Air Charge Intercooler Hose Pipe A6395280982

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2048350264

Mercedes C207 Electric Auxiliary Coolant Water Pump A2048350264

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2722000515

Mercedes W164 W212 C216 W221 W906 Thermostat Petrol Engine A2722000515

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A9065010182

Radiator Hose Mercedes Sprinter W906 Diesel Water Cooling Pipe A9065010182

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6512000051

Mercedes Vito W639 Diesel OM651 Coolant Pipe Water Pump Line A6512000051

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6512000282

Water Hose Mercedes W176 W246 Diesel OM651 Cooling Coolant Pipe A6512000282

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2762000156

Mercedes W212 M276 Coolant Fluid Inlet Connection Flange A2762000156

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6512030602

Mercedes W176 Coolant Pipe Engine Block Water Line Diesel OM651 A6512030602

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A0009056102

Mercedes W176 W205 W213 W222 Coolant Temperature Sensor A0009056102

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2478307600

Mercedes W177 W247 Heater Water Cooling Coolant Pipe Hose Line A2478307600

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6512300956

Vacuum Pipe Mercedes W906 W639 Diesel OM651 Water Pump Line A6512300956

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1775014700

Heater Pipe Mercedes W177 W247 Water Hose Coolant Pipe Line A1775014700

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2045012682

Water Hose Mercedes W204 C207 W212 Coolant Radiator Pipe Line A2045012682

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2712002352

Mercedes W204 Water Hose Radiator Coolant Cooling Pipe Line A2712002352

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A0005003800-2

Auxiliary Water Pump Mercedes W205 W177 W205 W447 Electric Coolant A0005003800

€80.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2478306800

Water Hose Mercedes W177 W247 Heat Exchanger Coolant Return Pipe A2478306800

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2742000615-2

Thermostat Pipe Mercedes W205 X253 W212 Petrol M274 Coolant Hose A2742000615

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6511801210-1

Mercedes C117 W176 Heat Exchanger Oil Filter Housing Bracket Mount A6511801210

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2722000015

Thermostat Mercedes W211 Petrol Engine M272 Coolant Thermostat A2722000015

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6511421780

Coolant Pipe Mercedes W242 Diesel OM651 Water Line To Crankcase A6511421780

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2045013982

Coolang Hose Mercedes C204 W207 W212 W218 Pipe Radiator Left N/S A2045013982

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6512000451

Coolant Pipe Mercedes W212 Diesel OM651 Water Pump Flange Line A6512000451

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2048306296

Mercedes W204 C207 W212 C218 Water Coolant Return Pipe Hose OM642 A2048306296

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1695010882

Mercedes-Benz A-Class W169 Petrol Water Coolant Hose Pipe Radiator A1695010882

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6541800200

Oil Pipe Mercedes W205 W213 Diesel Feed Line Cooler Coolant A6541800200

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1695050255

Mercedes W169 W245 Engine Cooling Radiator Fan A1695050255

Product currently unavailable

Part no. A0028308584

Mercedes Vito Viano W639 Water Heater Valve Pump Motor A0028308584

Product currently unavailable

Part no. A2035000593

Mercedes SLK R171 Radiator Fan Engine Cooling Coolant Unit 600W A2035000493

Product currently unavailable

Part no. A6461420079

Mercedes W639 OM646 EGR Exhaust Cooler Heat Exchanger A6461420079

Product currently unavailable

Part no. A2045011025

Mercedes W204 Vent Pipe Diesel Cooling Line Expansion Tank Hose A2045011025

Product currently unavailable

Part no. A2048307496

Water Pipe Mercedes W204 W207 OM651 Cooling Coolant Hose Line A2048307496

Product currently unavailable

Part no. A6110700033

Mercedes-Benz M-Class ML W163 Injection System Pressure Line Diesel A6110700033

Product currently unavailable

Part no. A6512001901-1

Mercedes W204 W212 W221 Engine Water Pump OM651 Coolant Water Unit A6512001901

Product currently unavailable

Part no. A6120700079

Mercedes ML W163 OM612 Fuel Cooler A6120700079

Product currently unavailable

Part no. A1695002593

Mercedes W169 W245 Engine Cooling Radiator Fan Coolant Unit A1695002593

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Part no. A2712002056

Coolant Pipe Mercedes W204 Petrol M271 Water Pump Flange Fitting A2712002056

Product currently unavailable

Part no. A6398300516

Mercedes Vito Viano W639 Water Hose Cooling Coolant Radiator Pipe A6398300516

Product currently unavailable

Part no. A2115001700-1

Oil Cooler Mercedes W211 C219 OM642 Transmission Gearbox Radiator A2115000200

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Part no. A6395010503

Expansion Tank Mercedes W639 Coolant Reservoir Bottle A6395010503

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Part no. A6512001715

Mercedes W204 W212 Coolant Thermostat Cooling Unit OM651 Diesel A6512001715

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Part no. A0018307784

Mercedes W210 S210 Double Duo Water Heater Valve Pump A0018307784

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Motor Mercedes W205 Engine Radiator Fan Motor 12V Controler ECU A0999061100

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Part no. A6110701133

Mercedes W639 OM646 Fuel Injection Pressure Pipe Rail Injector Set A6110701133

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Part no. A6510101782

Vent Hose Mercedes Vito W447 Diesel OM651 Engine Breather Line A6510101782

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Mercedes W211 OM642 Coolant Hose Water Pipe Radiator Expansion Tank A2115011225

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Part no. A2115001693

Radiator Fan Mercedes W211 S211 W219 Motor Engine Cooling Shroud A2115001693

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Mercedes Sprinter W906 Radiator Fan Engine Cooling Radiator Blower A0002009723

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Mercedes W204 Engine Coolant Water Pump Pipe Line OM651 Diesel A6512001651

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Part no. A6512007701-2

Water Pump Mercedes W212 OM651 Diesel Coolant Circulation A6512007701

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Part no. A1695050030

Mercedes W169 Petrol Engine Cooling Radiator Air Duct Baffle A1695050030

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Part no. A6541800300

Oil Pipe Mercedes W205 W213 Diesel OM654 Return Line Cooler Coolant A6541800300

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Part no. A2711410683

Mercedes-Benz W203 W211 M271 Kompressor EGR Valve Hose Pipe Petrol A2711410683

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Mercedes W907 Coolant Radiator Expansion Tank Bleed Line A9075010000

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Mercedes Sprinter W906 OM651 Diesel Coolant Thermostat Cooling Unit A6512001500

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Mercedes W176 W246 Coolant Expansion Tank Reservoir Bottle A2465000049

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Part no. A0005010765

Mercedes W204 W207 W245 Thermostat Oil Cooler Radiator A0005010765

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Part no. A6462000154

Mercedes Benz C E W203 W211 OM646 Diesel Engine Cooling Water Pipe A6462000154

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Part no. A1698203542-1

Mercedes W169 W245 Engine Cooling Radiator Fan A1698203542

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Part no. A2125010925

Mercedes W212 OM642 Water Hose Cooling Coolant Pipe Line A2125010925

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Mercedes Sprinter W906 Diesel OM651 Water Hose Cooling Coolant Pipe 1481934

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Water Pump Pulley Mercedes W211 R170 Petrol Engine M112 A1122020110

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Mercedes-Benz E M W164 W207 W212 OM642 Diesel Oil Filter Housing A6421801410

Product currently unavailable

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Mercedes W212 OM651 Diesel Water Pump Coolant Circulation A6512007701

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Part no. A2215050155-1

Mercedes W221 S500 Radiator Fan Shroud Blower Housing Engine Cooling A2215050155

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Part no. A2048300096

Mercedes W204 M271 Water Hose Engine Cooling Coolant Pipe Line A2048300096

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Mercedes-Benz C CLK W203 C209 Petrol Fuel Tank Filler Neck Pipe A2034701420

Product currently unavailable

Part no. A6395011420

Mercedes-Benz Vito W639 Coolant Expansion Tank Holder Bracket A6395011420

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Part no. A1645000493

Mercedes W164 Cooling Radiator Petrol Engine Radiator Fan A1645000493

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Mercedes Vito Viano W639 Radiator Blower Engine Cooling Coolant Fan 0130303295

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Part no. A2045000293

Mercedes W204 W212 Radiator Fan Engine Cooling Radiator Shroud A2045000293

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Part no. A2125013725-1

Mercedes W212 Diesel OM651 Bleed Line Radiator Expanion Tank Hose A2125010825

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Part no. A2055000049

Mercedes W205 W213 C238 Coolant Reservoir Expansion Tank A2055000049

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Part no. A2045420218

Mercedes W176 W204 W207 W212 W218 AUC Air Quality Sensor A2045420218

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Part no. A6120160681

Mercedes W906 OM611 OM612 OM646 OM647 Cylinder Head Molded Hose Line A6120160681

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Part no. A6511400675-4

EGR Exhaust Cooler Mercedes W639 W906 Diesel OM651 Valve A6511420467

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Mercedes-Benz E-Class W210 Engine Cooling Radiator Blower Fan 390W A2105052355

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Mercedes W203 W211 M271 Petrol Engine Water Coolant Hose A2712001152

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