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 Benz C Class W203 OM646 Diesel Water Pump Motor A6462000301

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2602004300

Mercedes W177 M260 Petrol Engine Coolant Cooling Hose Pipe Line A2602000300

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6512011409

Mercedes Sprinter W906 OM651 Water Coolant Pump Housing Mount Holder A6512011409

€47.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A1685011082

Mercedes A Class W168 Radiator Expansion Tank Bottom Coolant Hose A1685011082

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A1688350197

Mercedes A Class W168 Engine Heat Exchanger Matrix Coolant Hose A1688350197

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2035000293-1

Mercedes-Benz C-Class W203 Engine Cooling Radiator Blower Fan A2035000293

€94.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6512000082

Mercedes W176 OM651 Coolant Hose Carrier Oil Water Heat Exchanger A6512000082

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2124700140

Mercedes W212 C218 Fuel Tank Holder Bracket Mounting Diesel A2124700140

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A9075010200

Mercedes W907 Water Hose Engine Cooling Coolant Pipe A9075010200

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2662050010

Water Pump Pulley Mercedes W169 W245 M266 Petrol Engine Pulley A2662050010

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2702000615

Mercedes C117 W176 W246 M270 Coolant Thermostat Housing A2702000615

€47.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0051531128

Mercedes W203 W211 W221 OM646 Engine Exhaust Temperature Sensor

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6512032582

Mercedes W176 W242 W246 OM651 Coolant Hose EGR Cooler Feed Line A6512032582

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2712001256

Water Pump Mercedes W203 M271 Petrol Engine Coolant Flange A2712001256

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6512000251

Water Pump Hose Mercedes W204 OM651 Diesel Engine Coolant Line A6512000251

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6071400400

EGR Exhaust Cooler Mercedes W176 W246 Heat Exchanger OM607 Diesel 147350364R

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6422000052

Water Pump Pipe Mercedes Vito W639 OM642 Engine Coolant Line A6422000052

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2742000982

Mercedes W204 Coolant Hose Petrol M274 Cylinder Head Water Line A2742000982

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6512008401-1

Water Pump Mercedes Vito W447 Diesel OM651 Engine Coolant Pump A6512008401

€70.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2465010182

Water Pipe Mercedes C117 W176 W246 M270 Radiator Coolant Hose Line A2465010182

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2720700535

Fuel Line Hose Mercedes W204 W211 W212 M272 DE35 High Pressure Pipe A2720700535

€184.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A4478323623

Mercedes Vito W447 Water Coolant Hose Cooling Pipe Line A4478323623

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2045012582

Water Hose Mercedes W204 M271 Engine Cooling Radiator Coolant Pipe A2045012582

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6462030982

Mercedes W204 Water Hose Coolant Cooling Pipe Line A6462030982

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2602000100

Coolant Hose Mercedes W177 M260 Engine Coolant Cooling Pipe Line A2602000100

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6402033282

Mercedes W169 W245 180CDI 200CDI OM640 Water Coolant Pipe Hose A6402033282

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2045000049

Mercedes-Benz C-Class W204 Coolant Expansion Tank Reservoir Bottle A2045000049

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2034701420

Mercedes-Benz C-Class W203 Fuel Tank Filler Neck Pipe Hose A2034701420

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2642008600

Mercedes W205 M264 Petrol Engine Water Coolant Pipe Hose A2642008600

€42.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6512001056-1

Thermostat Housing Mercedes W204 W207 W212 OM651 Coolant Unit Cover A6512001056

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2468302996

Mercedes W176 Coolant Hose Heater Line to Water Pump Return A2468302996

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6512033482

Mercedes W447 M651 Diesel Water Coolant Pipe Cooling Hose A6512033482

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2782000385

Mercedes W212 Expansion Tank Reservoir Bottle Fluid Tank A2782000385

€56.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A1698203542-2

Mercedes-Benz A B Class W169 W245 2 Engine Cooling Radiator Fan A1698203542

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2045013425

Mercedes W204 Radiator Coolant Hose Cooling Pipe Bleed Line Diesel A2045013425

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. -A6110701033

Mercedes W639 OM646 Fuel Line Hose Pressure Pipe Rail High Pressure Pump

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6512001901-4

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

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A4475000049

Mercedes W447 Expansion Tank Coolant Reservoir Bottle A4475000049

€47.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2742034002

Coolant Pipe Mercedes W213 C238 X253 Heater Water Cooling Hose Line A2742034002

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2536210300

Mercedes W213 X253 Front Beam Slam Panel Radiator Centre Bracket A2536210300

€32.95

Free delivery: Aug 7 – 11

If paid before 14:00

Part no. A9065011482

Mercedes Sprinter W906 Water Hose Cooling Radiator Coolant Pipe Hose A9065011482

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6262030282

Mercedes W205 OM626 Water Hose Radiator Coolant Cooling Pipe Line A6262030282

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2045010782

Water Pipe Mercedes W204 OM642 Engine Cooling Radiator Coolant Hose A2045010782

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6462000301-1

Mercedes W211 OM646 Diesel Engine Water Pump R6462010110

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2642000800

Water Hose Coolant Mercedes W205 M264 Petrol Cooling Pipe Line A2642000800

€47.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2118350364

Mercedes W211 C253 Auxiliary Coolant Water Pump Water Cooling Unit A2118350364

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2702002200

Mercedes W176 Petrol Engine M270 Coolant Thermostat A2702002200

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6422000258

Water Pipe Mercedes W204 C207 W212 OM642 Cooling Coolant Hose Line A6422000258

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2465011358

Water Hose Mercedes W176 W246 OM651 Cooling Coolant Pipe Line A2465011358

€47.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2048301996

Water Pipe Mercedes W204 W207 Engine Coolant Cooling Hose Line A2048301996

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0009059604

Mercedes W205 W213 OM654 Exhaust Temperature Sensor Engine A0009059604

€56.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A1715010225

Vent Pipe Mercedes SLK R171 Cooling Line Expansion Tank Hose A1715010225

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2135015501

Water Hose Mercedes W213 C238 C253 C257 Diesel OM654 Coolant Line A2135015501

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2118302615

Mercedes-Benz E CLS Class W211 W219 Engine Water Coolant Hose Pipe A2118302615

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0009058501

Temperature Sensor Mercedes W246 W176 W212 OM651 Exhaust Gas Engine A0009058501

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2048300996

Water Hose Mercedes W204 W212 Engine Cooling Radiator Coolant Pipe A2048300996

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6422001156

Thermostat Housing Pipe Mercedes W204 W212 OM642 Thermostat Flange A6422001156

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6395001093

Fan Shroud Mercedes Vito Viano W639 Engine Coolant Radiator Fan A6395001093

€80.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2642007500

Mercedes W205 M264 Petrol Radiator Coolant Pipe Line Tube Hose A2642007500

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6395014382

Mercedes-Benz Vito W639 Engine Radiator Water Coolant Hose Pipe A6395014382

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2215002603

Mercedes W221 Engine Cooling Radiator Water Cooler A2215002603

€113.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2128305496

Water Hose Mercedes W212 CLS C218 OM651 Cooling Coolant Pipe Line A2128305496

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0009057004

Temperature Sensor Mercedes W176 W246 Diesel Exhaust Gas Engine A0009057004

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6512000882

Water Pipe Mercedes W639 W906 OM651 Engine Cooling Coolant Hose A6512000882

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A9072704900

Mercedes Sprinter W907 Cooling Hose Transmission Oil Pipe Line A9072704900

€56.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2128350164

Water Pump Mercedes W212 W222 Coolant Circulation Control Unit A2118350028

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A1645000916

Mercedes W164 Radiator Surround Cowl Trim Cover Bracket A1645000916

€56.95

Free delivery: Aug 7 – 11

If paid before 14:00

Part no. A1332000452

Mercedes W176 C117 AMG Petrol M133 Intercooler Water Return Line A1332000452

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2478306000

Mercedes W177 AMG Water Pipe Heater Cooling Coolant Hose Line A2478306000

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6422000056

Mercedes W164 OM642 Engine Coolant Flange Connector Hose A6422000056

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6401400575

EGR Exhaust Cooler Mercedes W169 W245 Heat Exchanger OM640 Diesel A6401400575

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2045010106

Radiator Fan Actuator Mercedes W204 W212 Vacuum Valve Box A2045010106

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2702002400

Mercedes W176 Water Cooling Coolant Pipe Hose Line 1.6 Petrol A2702031582

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0009912195-1

Mercedes W169 W176 W246 Radiator Holder Clip Mount A0009912195 SET

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A1562030475

Mercedes W204 C63 AMG M156 Petrol Thermostat Coolant Housing A1562030475

€104.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0005004386

Mercedes C118 W177 W205 W213 W247 Auxiliary Coolant Water Pump A0005004386

€51.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6512001300

Mercedes X253 OM651 Coolant Thermostat Housing Unit Diesel A6512001300

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6512007701-1

Water Pump Mercedes W212 OM651 Diesel Coolant Circulation A6512007701

€66.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6402000020

Mercedes-Benz A B W169 W245 Pump Housing Water Pump Engine Cooling A6402010001

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6512002700

Mercedes W205 X253 Diesel OM651.921 Engine Coolant Water Thermostat A6512002700

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2115015482

Water Hose Mercedes W211 CLS W219 Radiator Cooling Coolant Pipe A2115015482

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6462000015

Mercedes W204 W211 Thermostat Water Coolant Pump OM646 Diesel Engine A6462000015

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A1695011382

Mercedes A B Class W169 W245 Water Coolant Hose Pipe Radiator A1695011382

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A1698301696

Mercedes W169 W245 Water Coolant Hose Pipe A1698301696

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2075050430

Radiator Air Baffle Mercedes W207 C207 A207 Guide Shroud Panel A2075050430

€66.95

Free delivery: Aug 7 – 11

If paid before 14:00

Part no. A0081533628

Mercedes W207 OM642 Diesel Engine Exhaust Gas Temperature Sensor A0081533628

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6512001482

Coolant Hose Mercedes W204 Diesel OM651 Water Engine Cooling Line A6512001482

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6402000515

Mercedes W169 W245 OM640 Diesel Thermostat Coolant Housing A6402000515

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2213200355

Mercedes CL C216 W221 Radiator Coolant Cooling Hose Pipe Line A2213200355

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2712001001-2

Water Pump Mercedes W204 Petrol Engine M271 Coolant Pump A2712001001 R2712010201

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2722001351

Mercedes W212 M272 Engine Water Coolant Pipe Hose Line A2722001351

€42.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2822009100

Mercedes C118 W177 Water Coolant Pipe Hose Line M282 A2822009100

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6400101382

Mercedes-Benz W169 W245 180CDI 200CDI Water Coolant Pipe Hose A6400101382

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2602003600

Mercedes W177 M260 Petrol Engine Coolant Hose Line Tube Pipe A2602003600

€51.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2218324394

Mercedes-Benz S-Class W221 Engine Water Cooling Coolant Hose Pipe A2218324394

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6222000056

Mercedes S205 OM626 Water Pump Coupling Connector Valve Tube A6222000056

€80.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 921700R

Mercedes W415 OM607 Diesel Transmission Hose Oil Cooling Line Tube Pipe 921700R

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2045011825

Mercedes W204 Water Coolant Hose Pipe Line A2045011825

€42.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2722001151

Mercedes W211 S211 S212 W221 Coolant Water Pipe Line M272 Petrol A2722001151

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

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