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 SLK R171 Petrol Water Hose Coolant Cooling Pipe Line A1718301796

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2315013582

Mercedes R231 Engine Water Coolant Hose Pipe Line Coolant A2315013582

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. RHD-A4478306301

Mercedes W447 OM651 Diesel Suction Refrigerant Line Pipe Hose Tube A4478306301

£51.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6422000215

Mercedes W164 OM642 Diesel Thermostat Coolant Housing Cooling Unit A6422000215

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6542010110

Mercedes Sprinter W907 Water Coolant Pump Unit OM654.920 Diesel A6542010110

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6512030882

Coolant Hose Mercedes W204 Diesel OM651 EGR Cooler Valve Line A6512030882

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2478303601-1

Water Line Mercedes W177 Diesel OM608 Heater Return Hose To Engine A2478303601

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2720700535

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

£151.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2045040440

Oil Cooler Bracket Mercedes W204 W207 Heat Exchanger Mount Holder A2045040440

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2118301396

Water Hose Mercedes W211 CLS W219 M272 Cooling Coolant Pipe Line A2118301396

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2515000503

Mercedes W164 Coolant Radiator M251 Petrol Engine Cooling Unit A2515000503

£94.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2468303096

Water Hose Mercedes W176 W246 M270 Coolant Cooling Pipe Line A2468303096

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1695010165

Mercedes W245 Oil Cooling Line Pipe Thermostat A1695010165

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2740980539

Mercedes W213 Charge Air Cooler Bracket Strut Mount A2740980539

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2048306496

Cooling Line Mercedes W204 C207 M276 Engine Water Hose A2048306496

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2702002400

Mercedes W176 Water Cooling Coolant Pipe Hose Line 1.6 Petrol A2702031582

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2038322794

Mercedes W203 A209 C209 Coolant Rubber Hose Expansion Tank Pipe A2038322794

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2052700403

Mercedes W205 Gearbox Transmission Oil Cooling Pipes Hoses Lines A2052700403

£142.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6082000152

Mercedes W177 OM608 Diesel Engine Coolant Cooling Pipe Line Hose A6082000152

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2055010700

Mercedes W205 Water Hose Engine Cooling Coolant Pipe Part A2055010700

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6510780784

Heat Exchanger Bracket Mercedes W204 W212 OM651 Oil Cooler Mount A6510780784

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. R6422011110

Mercedes W207 OM642 Diesel Engine Auxiliary Cooling Water Pump R642201110

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2055018984

Mercedes W205 Water Pipe Radiator Cooling Coolant Hose A2055018984

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2055012100

Mercedes W205 Coolant Hose Cooling Pipe Water Line A2055012100

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A0005000185

Mercedes W221 W906 Radiator Coolant Water Drain Plug Cap Stop Screw A0005000185

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6398328123

Mercedes Vito W639 Heat Exchanger Water Coolant Hose Pipe Line A6398328123

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2538302400

Mercedes C253 Air Conditioning Heater Pipe Hose Line A2538302400

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2315011182

Mercedes R231 Engine Cooling Coolant Line Pipe Hose A2315011182

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2118800336

Radiator Air Baffle Mercedes W211 W219 Duct Guide Shroud Panel A2118800336

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A4478320015-1

Mercedes Vito W447 Diesel Coolant Hose Water Line Hose A4478320015

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6422030017

Mercedes W203 W204 A207 W906 Breather Hose Pipe Hose Line Diesel A6422030017

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1668304896

Mercedes W166 ML 63 AMG Water Coolant Pipe Hose Heating Line A1668304896

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6120160681

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

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2702030182

Mercedes C117 W176 X156 W246 Coolant Thermostat Pipe Hose Line OM270 A2702030182

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6398321523

Water Hose Mercedes Vito Viano W639 Cooling Coolant Pipe Line A6398321523

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6512030602

Mercedes W176 Coolant Pipe Engine Block Water Line Diesel OM651 A6512030602

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A0009058408

Mercedes W177 W206 Temperature Sensor Control Unit Petrol M254 A0009058408

£85.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6462001215

Mercedes Sprinter W906 Coolant Thermostat Housing Cooling Unit A6462001215

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A9065010015

Expansion Tank Cap Mercedes W639 W906 Radiator Bottle Cover A9065010015

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2642001000

Mercedes W205 C200 Coolant Line Water Hose Petrol Engine M264 A2642001000

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A0071534828

Mercedes W204 C209 OM642 Gas Temperature Sensor A0071534828

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6422001615

Mercedes W204 W212 W221 OM642 Thermostat Water Coolant Diesel Heat Management

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6260104300

Mercedes W447 OM622 Diesel Engine Oil Separator A6260104300

£94.95

Free delivery: Sep 9 – 16

If paid before 14:00

Part no. A1765000900

Mercedes W176 AMG Auxiliary Water Cooler Coolant Radiator A1765000900

£142.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1645002400

Mercedes V251 Automatic Transmission Gearbox Oil Cooler A1645002400

£75.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2185012882

Water Hose Mercedes C207 W212 W218 Engine Cooling Coolant Pipe A2185012882

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A4478302302

Coolant Hose Mercedes W447 OM622 Radiator Engine Water Cooling Line A4475013182

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2115000472-1

Mercedes W211 C219 Water Coolant Hose Pipe Radiator Line A2115010382

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2055019484

Mercedes S205 Engine Coolant Hose Tube Line Pipe A2055019484

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6402033282

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

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A0995040918

Mercedes W166 X166 C292 Cooler Frame Radiator Mount Holder Bracket A0995040918

£66.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1665003975

Mercedes W166 ML63 AMG Water Coolant Pipe Hose Line A1665003975

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2475062800-2

Mercedes W177 Water Hose Coolant Cooling Tube Hose Pipe Line A2475062800

£89.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1645000593-1

Mercedes W164 Radiator Fan Shroud Engine Cooling Unit A1645000593

£170.95

Free delivery: Sep 08

If paid before 14:00

Part no. rhd-A2138300403

Mercedes W213 Heat Exchanger Water Coolant Hose Pipe Line A2138300403

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6541410040

Mercedes W907 Intercooler Charge Air Cooler Bracket Holder Support A6541410040

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6072000315

Mercedes W176 OM607 Diesel Coolant Thermostat Cooling Unit 110609813R

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2055011900

Mercedes W205 M274 Coolant Hose Radiator Engine Water Cooling Line A2055011900

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2662050010-1

Water Pump Pulley Mercedes W169 W245 M266 Petrol Engine Pulley A2662050010

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1778856402-1

Mercedes W177 Air Intake Panel Lower Radiator Air Intake Duct A1778856402

£104.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2055013391

Mercedes W205 Water Coolant Return Pipe Hose Line A2055013391

£51.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6511800665-1

Mercedes W204 W212 Heat Exchanger Oil Cooler Transmission Radiator A6511800665

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A4155010282

Mercedes W415 Water Hose Coolant Cooling Pipe Line A4155010282

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2385010301

Mercedes C238 E400d OM654 Coolant Radiator Hose Pipe Water Line A2385010301

£42.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6395015782

Mercedes W639 OM642 Water Hose Radiator Cooling Coolant Pipe Line A6395015782

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1775014300

Bled Line Mercedes W177 OM608 Diesel Low Temperature Expansion Tank A1775014300

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. rhd-A2385019800

Mercedes W213 C238 OM654 Radiator Coolant Cooling Hose Pipe Line A2385019800

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2742000115

Coolant Hose Mercedes W204 C207 W212 M274 Thermostat Line Pipe A2742000115

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2105010515

Mercedes W203 W210 W211 Radiator Expansion Tank Cap A2105010515

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6082000300

Mercedes W177 OM608 Diesel Engine Coolant Cooling Pipe Line Hose A6082000300

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1191552835

Mercedes C140 Idler Belt Pulley Water Pump 1191552835

Product currently unavailable

Part no. A1330900014-1

Mercedes W176 Radiator Intercooler Charge Air Cooler Turbo A45 A1330900014

£113.95

Free delivery: Sep 9 – 16

If paid before 14:00

Part no. A1332000382

Mercedes W176 Water Hose Heat Exchanger Thermostat Pipe A45 AMG A1332000382

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6542007700-1

Mercedes W213 Diesel Engine Coolant Water Pump Housing Cover A6542000001

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6422000258

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

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A4155010591

Mercedes W415 Engine Water Coolant Pipe Hose A4155010591

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2138309000

Mercedes W213 Engine Coolant Water Pipe Hose Line A2138309000

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2702033003

Coolant Line Mercedes W176 Petrol M270 Water Pump Pipe Hose A2702033003

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2035001754

Mercedes R171 Air Conditioning Cooling Radiator Condenser A/C A2035001754

£56.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2208320994

Mercedes-Benz CL S C215 W220 Window Washer Heating Flow Pipe Hose A2208320994

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2742001682

Coolant Hose Mercedes W204 Petrol M274 Engine Cooling Water Line A2742001682

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. RHD-A2048302596

Mercedes W204 W207 Water Coolant Hose Pipe Cooling Line A2048302596

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2702002200

Mercedes W176 Petrol Engine M270 Coolant Thermostat A2702002200

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2055010800

Mercedes W205 Intercooler Water Pipe Radiator Cooling Coolant Hose A2055010800

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. rhd-A1728300600

Mercedes SLK R172 Heater Hose Water Coolant Return Pipe Hose A1728300600

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2045004203

Mercedes SLK R172 Coolant Radiator Engine Cooling Unit A2045004203

£56.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2055013101

Mercedes C205 Water Pump Clamp Mount Bracket Holder Support A2055013101

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1332000951-1

Mercedes W176 M133 A45 AMG Coolant Pipe Hose Line Tube A1332000951

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1725000249

Mercedes SLK R172 Petrol OM271 Expansion Tank Coolant Cointainer A1725000249

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6398320893

Water Hose Mercedes Vito W639 Cooling Radiator Coolant Pipe Hose A6398320893

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1332000400

Mercedes W176 Water Pump Coolant Unit A45 M133 Petrol A1332000400

£170.95

Free delivery: Sep 9 – 16

If paid before 14:00

Part no. A6511801210-1

Mercedes C117 W176 Heat Exchanger Oil Filter Housing Bracket Mount A6511801210

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2475010020

Coolant Pipe Bracket Mercedes W177 W247 Water Coolant Hose Holder A2475010020

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1688300415

Mercedes W168 Compressor Expansion Valve Suction Pipe A1688300415

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6512300956

Vacuum Pipe Mercedes W906 W639 Diesel OM651 Water Pump Line A6512300956

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2742000282

Mercedes W204 M274 Petrol Water Coolant Cooling Hose Line Pipe A2742000282

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A0005001686

Mercedes W212 Coolant Pump Auxiliary Water Pump Water Circulation A0005001686

£108.95

Free delivery: Sep 9 – 16

If paid before 14:00

Part no. A1645010265-2

Mercedes W166 Thermostat Oil Cooler Housing Hose Line Pipe Diesel A1645010265

£94.95

Free delivery: Sep 08

If paid before 14:00

Part no. A0009050312

Mercedes CL C118 X118 Exhaust Temperature Sensor Diesel Engine A0009050312

£18.95

Free delivery: Sep 08

If paid before 14:00

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