What is the construction and purpose of cooling system hoses and pipes?

Cooling system hoses and pipes are coolant circuit elements installed between the engine, radiator, thermostat, heater core, and expansion tank. A typical hose consists of an inner layer resistant to fluid, a reinforcing layer, and an outer cover protecting against temperature and material aging. Depending on the mounting location, it can take the form of a flexible hose or a rigid plastic or metal section.

What are cooling system hoses and pipes used for?

Cooling system hoses and pipes are used to route coolant through the entire system and maintain the proper engine operating temperature. They are responsible for connecting subassemblies, circuit tightness, and the proper transfer of fluid to the radiator, heater core, and water pump. Their failure can cause leaks, air in the system, and disruption of fluid circulation.

What is the construction and function of a cooling system connector?

A cooling system connector is a connection point to which a hose or pipe transporting coolant is attached. It can be part of the thermostat housing, radiator, cylinder head, or another subassembly and usually works with a gasket, clamp, or quick-connector. Its task is to maintain a tight and stable connection in places where pressure and temperature changes occur.

How to choose cooling system hoses and pipes for a specific car version?

It is best to compare the OEM part number, hose path, end diameters, and type of connectors. It is also worth checking the engine version, fuel type, production year, mounting location, and any interchangeable numbers. For used parts, the completeness of brackets, vents, and branches also matters.

What symptoms indicate wear of cooling system hoses and pipes?

The most common signs are coolant leaks, traces of moisture at connections, swollen material, cracks, or a hose structure that is too soft. In practice, fluctuations in engine operating temperature, gurgling, and sediment traces near clamps may also appear. Such symptoms should be checked along with fluid levels and connection tightness.

How to care for cooling system hoses and pipes after installation?

After installation, it is worth checking the hose routing, tightening of clamps, and lack of contact with hot or moving engine compartment elements. It is also important to check the coolant level and system venting after the first start. Regular inspections help to quickly detect leaks, abrasions, and material deformation.

Cooling system hoses and lines

At Global Parts, we offer a wide selection of original used car parts, including cooling system hoses and lines for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. The cooling system hoses and lines we offer are quality-controlled, ensuring you receive a top-quality product.

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Mercedes W246 Petrol Engine Water Coolant Pipe A2468303496

£18.95

Part no. RHD-A2318301200

Mercedes R231 Heater Cooling Coolant Pipe Hose Line A2318301200

£32.95

Part no. A2055017984

Coolant Hose Mercedes W205 Diesel M651 Oil Cooler Water Hose A2055017984

£23.95

Part no. A1665008075

Mercedes GLE W166 C292 M157 AMG Coolant Hose Water Cooling Line A1665008075

£18.95

Part no. A6512002700

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

£28.95

Part no. A1665007975

Mercedes GLE W166 C292 M278 Coolant Hose Water Cooling Line A1665007975

£18.95

Part no. RHD-A2318300500

Mercedes SL R231 Coolant Hose Pipe Line Return Heat Exchanger A2318300500

£37.95

Part no. A2538305500

Mercedes W213 S213 Water Hose Cooling Coolant Pipe Line A2538305500

£18.95

Part no. A2742003782-2

Mercedes W205 Water Hose Engine Cooling Coolant Pipe Line A2742003782

£28.95

Part no. A1715010582

Mercedes SLK R171 M113 Water Pipe Cooling Coolant Hose Line A1715010582

£32.95

Part no. A2315000575

Mercedes SL63 R231 M157 Engine Cooler Water Pipe Hose Coolant Line A2315000575

£28.95

Part no. A2702032902-1

Water Pipe Mercedes C117 W176 W246 M270 Coolant Hose Line A2702032902

£13.95

Part no. A1725010358

Mercedes R172 Engine Radiator Coolant Hose Pipe A1725010358

£18.95

Part no. A6512000451

Coolant Pipe Mercedes W212 Diesel OM651 Water Pump Flange Line A6512000451

£18.95

Part no. A6400101282

Mercedes W168 W169 Engine Water Coolant Breather Pipe Hose A6400101282

£13.95

Part no. A2125016884

Mercedes C207 W212 C218 M276 Petrol Water Coolant Pipe Hose A2125016884

£23.95

Part no. A9075010800

Mercedes W907 Water Cooling Coolant Pipe Hose Line A9075010800

£18.95

Part no. A4478323623

Mercedes Vito W447 Water Coolant Hose Cooling Pipe Line A4478323623

£23.95

Part no. A2642000800

Water Hose Coolant Mercedes W205 M264 Petrol Cooling Pipe Line A2642000800

£23.95

Part no. A2468303396

Water Hose Mercedes W176 W246 Heat Exchanger Cooling Coolant Pipe A2468303396

£13.95

Part no. rhd-A1698302896

Water Hose Mercedes W169 W245 M266 Petrol Heater Coolant Pipe Line A1698302896

£13.95

Part no. A9075011800

Mercedes Sprinter W907 W910 Water Coolant Hose Pipe Line A9075011800

£13.95

Part no. A2218325294

Mercedes CL C216 W221 Hot Water Auxiliary Heater Pipe Hose Line A2218325294

£28.95

Part no. A2478303601

Water Line Mercedes W177 Diesel OM608 Heater Return Hose To Engine A2478303501

£18.95

Part no. A2125016784

Coolant Pipe Mercedes C207 W212 C218 M276 Petrol Water Hose Line A2125016784

£23.95

Part no. A2742001751

Mercedes W204 M274 Engine Coolant Water Pipe Hose A2742001751

£18.95

Part no. A2315001175

Mercedes SL63 R231 M157 AMG Engine Coolant Pipe Hose Line A2315001175

£28.95

Part no. A9065010782

Mercedes Sprinter W906 Radiator Coolant Vent Pipe Hose Diesel A9065010782

£13.95

Part no. A2055016784

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line A2055018784

£13.95

Part no. A2742034002

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

£28.95

Part no. A2742000153

Coolant Pipe Mercedes W205 W213 X253 Petrol M274 Water Line A2742000153

£23.95

Part no. A2475010800

Mercedes CLA X118 W177 Water Coolant Cooling Pipe Hose Line OM654 A2475010800

£13.95

Part no. A2515013582

Mercedes W251 Engine Water Coolant Pipe Hose Line Diesel A2515013582

£18.95

Part no. A1725012382

Mercedes SLK R172 M271 M276 Coolant Hose Cooler Water Line A1725012382

£28.95

Part no. A2055013291

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Hose Line A2055013291

£23.95

Part no. A4475013182

Coolant Hose Mercedes W447 OM651 Radiator Engine Water Cooling Line A4475013182

£28.95

Part no. A1725012082

Mercedes SLK R172 Petrol OM271 Coolant Radiator Hose Line Right O/S A1725012082

£28.95

Part no. A2642002301

Mercedes C205 C250D Water Cooling Cooler Feed Line A2642002301

£23.95

Part no. A2055010891

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line A2055010891

£23.95

Part no. A2053400400

Mercedes W205 Water Hose Cooling Coolant Pipe A2053400400

£13.95

Part no. A1718322094

Mercedes R171 Water Coolant Cooling Pipe Hose Line A1718322094

£23.95

Part no. A2702030682

Water Hose Mercedes W176 W246 M270 Coolant Cooling Pipe Line A2702030682

£18.95

Part no. A2475010658

Mercedes W177 Radiator Coolant Line Pipe Hose A2475010658

£13.95

Part no. A1715010482

Mercedes SLK R171 Water Pipe Cooling Coolant Hose Line M113 Petrol A1715010482

£37.95

Part no. A2055061235

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line A2055061235

£13.95

Part no. A2135015501

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

£32.95

Part no. A1775017301

Mercedes W177 A35 AMG M260 Coolant Hose Radiator To Water Pump A1775017301

£13.95

Part no. A2038301896

Mercedes-Benz C CLK Class W203 C209 Radiator Hose Heating Tube Pipe A2038301896

£23.95

Part no. rhd-A2048302496

Mercedes-Benz C E Class W204 W207 Air Conditioning Radiator Coolant Hose

£13.95

Part no. A1332000582

Mercedes W176 M133 A45 AMG Coolant Water Pipe Hose Line Tube A1332000582

£37.95

Part no. A2055011091

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line M276 A2055011091

£47.95

Part no. A2468303196

Mercedes W176 W246 OM651 Water Hose Pipe Coolant Line Heat Exchanger A2468303196

£13.95

Part no. A2642007800

Mercedes W205 Water Coolant Line Radiator Cooling Hose Pipe Petrol A2642007800

£70.95

Part no. A2742001751-1

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

£23.95

Part no. A2055061635

Mercedes W205 C253 Hot Water Hose Engine Coolant Pipe Line A2055061635

£13.95

Part no. A9075010200

Mercedes W907 Water Hose Engine Cooling Coolant Pipe A9075010200

£13.95

Part no. A2478306703

Mercedes C118 W177 W247 Water Coolant Hose Pipe Line M260 A2478306703

£28.95

Part no. A4478320723

Mercedes W447 Diesel Circulation Pump Engine Molded Hose Line Pipe A4478320723

£13.95

Part no. A9068322223

Mercedes W906 OM646 Water Coolant Heater Return Hose Pipe Tube Line A9068322223

£13.95

Part no. A6542035701

Mercedes W213 OM654 Coolant Hose Turbocharger Cooling Pipe Line A6542035701

£23.95

Part no. RHD-A2055010302-1

Mercedes C205 Radiator Coolant Hose Tube Pipe Line Return A2055010302

£13.95

Part no. A2602000400

Mercedes W177 A35 AMG M260 Coolant Hose Water Pump Pipe Line A2602000400

£23.95

Part no. rhd-A1718301796

Mercedes SLK R171 Petrol Water Hose Coolant Cooling Pipe Line A1718301796

£18.95

Part no. RHD-A4478306301

Mercedes W447 OM651 Diesel Suction Refrigerant Line Pipe Hose Tube A4478306301

£51.95

Part no. A2478303601-1

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

£32.95

Part no. A2720700535

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

£151.95

Part no. A2118301396

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

£18.95

Part no. A2468303096

Water Hose Mercedes W176 W246 M270 Coolant Cooling Pipe Line A2468303096

£13.95

Part no. A2048306496

Cooling Line Mercedes W204 C207 M276 Engine Water Hose A2048306496

£18.95

Part no. A2125280882

Mercedes W204 W212 Air Intake Hose Intercooler Charge Pipe Diesel A2125280882

£56.95

Part no. A2702002400

Mercedes W176 Water Cooling Coolant Pipe Hose Line 1.6 Petrol A2702031582

£23.95

Part no. A2038322794

Mercedes W203 A209 C209 Coolant Rubber Hose Expansion Tank Pipe A2038322794

£23.95

Part no. A6082000152

Mercedes W177 OM608 Diesel Engine Coolant Cooling Pipe Line Hose A6082000152

£13.95

Part no. A2055010700

Mercedes W205 Water Hose Engine Cooling Coolant Pipe Part A2055010700

£13.95

Part no. A2055018984

Mercedes W205 Water Pipe Radiator Cooling Coolant Hose A2055018984

£18.95

Part no. A2055012100

Mercedes W205 Coolant Hose Cooling Pipe Water Line A2055012100

£18.95

Part no. A6398328123

Mercedes Vito W639 Heat Exchanger Water Coolant Hose Pipe Line A6398328123

£18.95

Part no. A2538302400

Mercedes C253 Air Conditioning Heater Pipe Hose Line A2538302400

£13.95

Part no. A2315011182

Mercedes R231 Engine Cooling Coolant Line Pipe Hose A2315011182

£23.95

Part no. A4478320015-1

Mercedes Vito W447 Diesel Coolant Hose Water Line Hose A4478320015

£18.95

Part no. A6422030017

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

£13.95

Part no. A1668304896

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

£13.95

Part no. A6120160681

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

£23.95

Part no. A2702030182

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

£18.95

Part no. A6398321523

Water Hose Mercedes Vito Viano W639 Cooling Coolant Pipe Line A6398321523

£18.95

Part no. A6512030602

Mercedes W176 Coolant Pipe Engine Block Water Line Diesel OM651 A6512030602

£13.95

Part no. A2642001000

Mercedes W205 C200 Coolant Line Water Hose Petrol Engine M264 A2642001000

£18.95

Part no. A2185012882

Water Hose Mercedes C207 W212 W218 Engine Cooling Coolant Pipe A2185012882

£23.95

Part no. A4478302302

Coolant Hose Mercedes W447 OM622 Radiator Engine Water Cooling Line A4475013182

£18.95

Part no. A2115000472-1

Mercedes W211 C219 Water Coolant Hose Pipe Radiator Line A2115010382

£32.95

Part no. A6542032901

Mercedes C118 Water Coolant Pipe Hose Line A6542032901

£28.95

Part no. A2055019484

Mercedes S205 Engine Coolant Hose Tube Line Pipe A2055019484

£37.95

Part no. A6402033282

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

£13.95

Part no. A1665003975

Mercedes W166 ML63 AMG Water Coolant Pipe Hose Line A1665003975

£28.95

Part no. A2475062800-2

Mercedes W177 Water Hose Coolant Cooling Tube Hose Pipe Line A2475062800

£89.95

Part no. A2058301403

Mercedes W205 Water Hose Engine Cooling Coolant Pipe A2058301403

£23.95

Part no. rhd-A2138300403

Mercedes W213 Heat Exchanger Water Coolant Hose Pipe Line A2138300403

£18.95

Part no. A2055011900

Mercedes W205 M274 Coolant Hose Radiator Engine Water Cooling Line A2055011900

£23.95

Part no. A2055013391

Mercedes W205 Water Coolant Return Pipe Hose Line A2055013391

£51.95

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