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 W220 W215 Water Coolant Pipe Hose Petrol Engine A2205011882

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Mercedes W203 OM646 Coolant Hose EGR Valve Cooler To Engine Block A6462030582

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Coolant Hose Mercedes W163 Diesel OM612 Radiator To Fuel Cooler Coolant Line

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Mercedes C215 W220 Heating Water Return Pipe Hose Line Petrol Engine A2208324494

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Mercedes W176 OM607 Diesel Water Coolant Hose Line Tube Pipe A2468304396

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Mercedes W177 Water Coolant Hose Line Pipe M282 Petrol Engine A2822003700

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Coolant Hose Mercedes W166 Diesel OM642 Radiator Water Hose A1668300596

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Mercedes W177 Water Hose Coolant Cooling Pipe Line A2602000051

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Mercedes W212 M276 Petrol Engine Crankcase Breather Pipe Hose Line A2760180312

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Mercedes W205 C300de Hybrid Water Coolant Pipe Hose Line A2055019200

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Coolant Hose Mercedes W177 C118 W247 Diesel OM654 Water Line A6542032801

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Mercedes W212 M157 Turbocharger Coolant Right O/S Feed Pipe Line A2782000951

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Mercedes Vito W639 Heat Exchanger Water Coolant Hose Pipe Line A6398325823

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Mercedes CL C215 W220 Water Coolant Hose Pipe Line Petrol Engine A2208323694

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Part no. A2055013782

Mercedes W205 Hybrid Water Coolant Pipe Hose Line A2055013782

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Mercedes W639 Water Line Fitting Hose Pipe A6422030182

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Mercedes W177 W247 Heater Water Cooling Coolant Pipe Hose Line A2475062900

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Water Hose Mercedes W203 W209 OM646 Cooling Coolant Pipe Line A2038304796

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Mercedes W205 W213 X253 OM654 Turbocharger Cooling Pipe Hose Line A6542032500

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Mercedes W177 Engine Coolant Hose Line Tube Pipe M260 Petrol A2602003600

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Mercedes W177 Water Coolant Cooling Pipe Line Hose A200d Diesel A6542033401

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Mercedes W209 M112 Radiator Lower Hose Coolant Cooling Pipe Line A2095011182

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Mercedes W213 Water Hose Cooling Coolant Pipe Line A2742002551

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Part no. A2742002551

Mercedes W213 Water Hose Cooling Coolant Pipe Line A2742002551

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Mercedes W205 OM651 Water Pipe Engine Cooling Coolant Hose Line A2055000700

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Water Hose Mercedes W169 W245 M266 Coolant Cooling Pump Pipe Line A2662000152

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Heater Hose Mercedes Vito W639 Water Coolant Return Pipe Diesel A6398306315

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Part no. A2115013582

Mercedes W211 Radiator Coolant Hose Top Expansion Tank M271 A2115013582

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Water Hose Mercedes W203 Water Coolant Cooling Pipe Line Diesel A2035013882

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Mercedes W205 Water Coolant Pipe Hose Line OM654 A2055019001

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Water Hose Mercedes W203 W209 M112 Engine Radiator Coolant Pipe Line A2038321494

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Mercedes E-Class S211 W211 Cooling Engine Water Coolant Hose Pipe A2115011182

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Part no. A1635011382

Mercedes W163 Radiator Lower Hose Pipe Tube A1635011382

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Part no. A2475010382

Mercedes W177 Radiator Water Cooling Coolant Pipe Hose Line M260 A2475010382

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Mercedes ML W164 GL X164 Engine Water Coolant Pipe Hose Radiator A1645010082

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Mercedes W204 Engine Cooling Coolant Water Hose Pipe Line A2048302096

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Mercedes W205 Petrol Engine Coolant Hose Water Line Pipe A2742001651

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Mercedes Vito W447 Water Hose Cooling Coolant Radiator Pipe Line A4475015300

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Mercedes-Benz A-Class W168 Pipe Hose Line Headlamp Washer Nozzle A1688600592

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Mercedes W203 M111 Engine Heating Water Coolant Hose A2038302996

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Mercedes W204 W207 Engine Cooling Coolant Hose Bleed Line OM651 A2045011125

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Heater Hose Mercedes W210 E200 Petrol M111 Recirculating Pump To Engine Line

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Water Hose Mercedes W203 C209 M113 Radiator Coolant Pipe Line A2095010682

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Water Hose Mercedes W207 W212 W218 OM642 Coolant Cooling Pipe Line A2128300095

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Mercedes ML W164 Water Pipe Engine Cooling Coolant Hose Line A1645065235

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Mercedes Sprinter W906 Water Hose Cooling Radiator Coolant Pipe Line A9068301515

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Mercedes W212 Water Hose Coolant Cooling Pipe Line A2223270044

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Coolant Hose Mercedes W205 C207 C238 Turbo Cooling Pipe Line A2762006051

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Hose Mercedes W166 M276 Coolant Heater Hose Heating Water Line A1668304096

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Part no. A2035010382

Mercedes-Benz C-Class W203 OM611 Radiator Expansion Tank Top Right Coolant Hose

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Coolant Hose Mercedes W204 W207 Petrol OM272 Left N/S Radiator Line A2045010382

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Mercedes Vito W447 OM622 Diesel Coolant Hose Water Pipe Line Tube A4475014900

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Mercedes W212 Petrol OM274 Coolant Pipe EGR Cooler Line A2742032302

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