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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Coolant Hose Mercedes W177 C118 W247 Diesel OM654 Water Line A6542032801

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Part no. A2642008700

Mercedes W205 C200 Petrol M264 Coolant Hose Water Line A2642008700

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Part no. A2058301902

Coolant Hose Mercedes W205 Diesel OM651 Circulation Pump Heating A2058301902

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Part no. A2465011458

Mercedes W176 W246 OM607 Radiator Water Coolant Hoses Engine Cooling A2465011458

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Part no. A0005003040

Mercedes W205 W213 W222 C253 Engine Cooling System Coolant Valve A0005003040

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Part no. A2575012800

Coolant Hose Mercedes W213 W257 C238 Petrol OM256 Cooling Water Line A2575012800

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Part no. A2575011900

Coolant Hose Mercedes W213 C238 OM256 Expansion Tank Radiator Line A2575011900

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Part no. A2125280100

Mercedes W204 W212 Air Intake Hose Intercooler Charge Pipe A2125280100

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Part no. A2046391494

Fuel Drain Hose Mercedes W204 W207 W212 Fuel Filler Pipe Line A2046391494

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Part no. A2135016000

Mercedes GLC 300e Hybrid X253 Coupe Coolant Hose Cooling Water Line A2135016000

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Part no. A2048307296

Mercedes W204 Water Line Coolant Hose Ruber Pipe A2048307296

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Part no. A4475019600

Mercedes Vito W447 Water Hose Cooling Coolant Radiator Pipe Line A4475019600

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Part no. A2055012225

Mercedes W205 OM651 Coolant Radiator Expansion Tank Bleed Line A2055012225

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Part no. A2055000800

Water Hose Mercedes W205 OM651 Coolant Pipe Line A2055000800

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Part no. A1645011082

Mercedes ML W164 Radiator Hose Water Cooling Pipe A1645011082

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Part no. A2662000152

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

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Part no. A4478324500

Mercedes Vito W447 OM654 Coolant Hose Water Cooling Pipe Line A4478324500

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Part no. A1770940782

Mercedes W205 W253 C63 Water Coolant Pipe Hose Line M177 A1770940782

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Part no. A1668304896

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

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Part no. A6398320823

Water Hose Mercedes Vito Viano W639 Cooling Coolant Pipe Line A6398320823

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Part no. A2135012582

Mercedes A238 M276 Petrol Radiator Coolant Hose Pipe Line Tube A2135012582

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Part no. A6511400700-2

Cooler EGR Mercedes W204 W212 OM651 Diesel EGR Exhaust Gas Cooler A6511400775

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Part no. A6398321523

Water Hose Mercedes Vito Viano W639 Cooling Coolant Pipe Line A6398321523

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Part no. A2435000200

Mercedes EQA350 H243 Electric Cooler Water Pump Line Hose A2435000200

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Part no. A2475011400

Mercedes W177 W247 M282 Water Hose Engine Cooling Coolant Pipe A2475011400

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Part no. A2602031400

Mercedes W177 M260 Petrol Coolant Return Pipe Hose Line Tube A2602031400

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Part no. A2135002100

Coolant Pipe Mercedes W213 GLC C253 Radiator Cooling Hose Line A2135002100

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Part no. A1635011382

Mercedes W163 Radiator Lower Hose Pipe Tube A1635011382

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Part no. A1684703520

Mercedes-Benz A W168 Petrol Diesel Fuel Tank Filler Neck Pipe Hose A1684703520

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Part no. A2055019782

Mercedes W205 C63 AMG Engine Coolant Hose Pipe Line M177 A2055019782

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Part no. A2055012501

Mercedes W205 2.0 Petrol Water Coolant Pipe Hose Line A2055012501

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Part no. A2535012500

Mercedes GLC C253 Coolant Hose Water Radiator Line Diesel OM651 A2535012500

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Part no. A2115010982

Mercedes-Benz W211 E 270 CDI Diesel Engine Cooling Radiator Hose A2115010982

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Part no. A1572000000

Mercedes W166 W212 Turbocharger Water Hose Coolant Pipe Line AMG A1572000000

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Part no. A2138304505

Coolant Hose Mercedes W213 W238 W253 W257 Water Cooling Pipe A2138304505

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Part no. A0005003040-1

Mercedes W205 W213 W222 C253 Engine Cooling Coolant Valve A0005003040

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Part no. A2095012682

Heat Exchanger Hose Mercedes W203 Water Coolant Top Pipe Line M271 A2095012682

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Part no. A1715010282

Mercedes SLK R171 Water Hose Cooling Radiator Coolant Pipe A1715010282

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Part no. A4145010182

Mercedes-Benz Vaneo W414 Cooling Radiator Top Hose Pipe Line A4145010182

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Part no. A2035010682

Mercedes-Benz C W203 OM611 Radiator Expansion Tank Top Coolant Hose A2035010682

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Part no. A2055018701

Mercedes W205 Cooler To Expansion Reservoir Bleed Line A2055018701

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Part no. A6512000051

Mercedes Vito W639 Diesel OM651 Coolant Pipe Water Pump Line A6512000051

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Part no. A1332000451

Mercedes W176 A45 AMG Petrol Engine Water Coolant Pipe Hose Line A1332000451

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Part no. A2135014982

Cooling Pipe Mercedes W213 GLC W253 CLS C257 Coolant Hose Water A2135014982

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Part no. A2119970482

Mercedes-Benz E-Class W211 S211 Water Coolant Hose Pipe Radiator A2119970482

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Part no. A6262030482

Coolant Hose Mercedes W205 OM626 Right Radiator Hose To Thermostat A6262030482

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Part no. A6398325823

Mercedes Vito W639 Heat Exchanger Water Coolant Hose Pipe Line A6398325823

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Part no. A1668307001

Mercedes GLE C292 ML W166 Diesel M642 Coolant Hose Heater Water Line A1668307001

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Part no. A2035280582

Mercedes-Benz C W203 Air Charge Intake Intercooler Left N/S Hose A2035280582

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Part no. A6512000451

Coolant Pipe Mercedes W212 Diesel OM651 Water Pump Flange Line A6512000451

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Part no. A2215015584

Mercedes W221 Diesel OM642 Water Coolant Cooling Pipe Hose A2215015584

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