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 SLK R171 Hose Radiator Coolant Cooling Pipe Line A1715010182

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Mercedes W177 Water Pipe Radiator Right O/S Cooling Coolant Hose A1775011601

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Mercedes-Benz S-Class W220 Diesel Water Coolant Hose Pipe Radiator A2208301196

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Water Hose Mercedes W213 C238 C253 Diesel Engine OM642 Coolant Line A2135016982

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Mercedes H243 Water Hose Radiator Coolant Cooling Pipe Line A2435000900

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Mercedes ML W164 GL X164 Water Coolant Hose Pipe Radiator A1645002775

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Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line A2055016200

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Mercedes W639 OM642 Water Hose Radiator Cooling Coolant Pipe Line A6395015782

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

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Mercedes C118 Water Coolant Flange Pipe Hose Line A6542037100

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Coolant Hose Mercedes W166 Diesel OM642 Radiator Water Hose A1668300596

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Mercedes W176 C117 Engine Breather Bleed Line Pipe Hose A1330109500

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Mercedes W212 Expansion Tank Cooler Cooling Pipe Hose Line A2125013825

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Mercedes W169 Petrol Engine Cooling Radiator Air Duct Baffle A1695050030

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Coolant Hose Mercedes W213 Diesel OM656 Radiator Left Water Line A2135012202

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Mercedes Vito W447 OM654 Coolant Hose Water Cooling Pump Pipe Line A4478323100

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Water Hose Mercedes W213 S213 Radiator Cooling Coolant Pipe Line A2135014782

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Mercedes W212 Coolant Hose Cooling Line Pipe From Water Pump A2125019582

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Mercedes W205 C63 AMG Engine Coolant Hose Pipe Line M177 A2055019782

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Mercedes GLE W166 Diesel Engine Water Coolant Hose Pipe Line Tube A1665001075

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Water Hose Mercedes W203 W209 Cooling Coolant Pipe Line A2038304096

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Mercedes Sprinter W906 Water Hose Cooling Radiator Coolant Pipe Line A9068301515

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Mercedes W205 Water Coolant Pipe Hose Line Tube A2055011891

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Mercedes W176 M133 A45 AMG Coolant Pipe Hose Line Tube A1332000951

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Mercedes W213 M274 Water Hose Cooling Coolant Pipe Line Tube A2742002551

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Water Hose Mercedes W212 W218 AMG Engine Cooling Return Coolant Pipe A2185012182

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Mercedes Vito W447 Water Pipe Coolant Cooling Hose Line Heater Valve A4475014700

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Mercedes W205 Diesel OM651 Coolant Hose Radiator Auto Transmission Cooler Line

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Mercedes Vito W639 Heat Exchanger Water Coolant Hose Pipe Line A6398328423

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Part no. A2055011900

Mercedes W205 M274 Coolant Hose Radiator Engine Water Cooling Line A2055011900

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Part no. A6542037401

Mercedes W213 W447 OM654 Water Hose Engine Cooling Coolant Pipe Line A6542038400

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Mercedes W204 C63 AMG Water Hose Cooling Coolant Pipe Line A2048302696

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Mercedes W205 Engine Cooling Cooler Hose Tube Line Pipe A2055019101

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Mercedes W164 W221 C219 Molded Hose Coolant Hose Pipe Line M273 A2731420083

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Mercedes W205 C200 Petrol M264 Coolant Hose Water Line A2642008700

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Mercedes Vito W639 OM646 Heat Exchanger Water Coolant Hose Pipe Line A6398320923

-9%

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Mercedes Vito W639 OM646 Heat Exchanger Water Coolant Hose Pipe Line A6398320923

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Mercedes Sprinter W910 Diesel OM651 Water Pump Coolant Flange A6512030200

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Mercedes W177 Intercooler Air Pipe Line Hose A1775201400

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Mercedes-Benz CL S Class C215 W220 Water Coolant Hose Pipe Radiator A2208320494

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Coolant Tube Mercedes W639 Coolant Water Pipe Line A6395017982

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Mercedes A238 Water Coolant Filling Hose Pipe Line A2135017400

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Thermostat Hose Mercedes W169 W245 OM640 Water Coolant Pipe Line A6402001452

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Mercedes Vito W639 Water Coolant Hose Pipe Line A/C Thermotronic A6398328723

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Mercedes Vito W639 OM646 Water Hose Coolant Cooling Pump Pipe Line A6398326423

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Water Hose Mercedes Vito Viano W639 Cooling Coolant Pipe Line A6398320823

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Mercedes W204 W212 Air Intake Hose Intercooler Charge Pipe Diesel A2125280882

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Mercedes W212 OM642 Water Hose Cooling Coolant Pipe Line A2125010925

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Part no. A2125010925

Mercedes W212 OM642 Water Hose Cooling Coolant Pipe Line A2125010925

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Mercedes-Benz A-Class W168 Petrol Fuel Tank Filler Neck Pipe Hose A1684703420

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Part no. A6262000182

Mercedes W205 OM626 Water Pipe Engine Cooling Coolant Hose Line A6262000182

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Coolant Hose Mercedes C238 Turbo Cooling Return Line A2762006051

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Mercedes W204 W212 Coolant Hose OM651 Diesel Heater Water Pipe A6512031882

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Part no. A6398324923

Water Hose Mercedes Vito W639 Cooling Radiator Coolant Pipe Hose A6398324923

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Water Pipe Mercedes W176 W246 Engine Cooling Coolant Hose Line A6072030182

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Heater Hose Mercedes W204 W212 OM646 Water Coolant Return Pipe A6462031082

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Mercedes W163 Engine Water Coolant Pipe Hose A1635010382

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Mercedes W903 Sprinter Water Heating Return Tube Hose Pipe Line A6022002152

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Mercedes Vito W639 OM646 Water Hose Pipe Coolant Line Heat Exchanger A6462030182

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Bleed Line Mercedes W447 Diesel Coolant Hose Radiator Expansion Tank A4475010525

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Mercedes Vito Viano W639 OM646 Water Coolant Hose Return Pipe Line A6398320593

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Heater Hose Mercedes Citan W415 OM607 Water Coolant Radiator Pipe A4155010000

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Mercedes W177 W247 M282 Water Hose Engine Cooling Coolant Pipe A2475011400

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

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

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Coolant Hose Mercedes W213 C238 Diesel OM656 Water Line A2135019801

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Heater Hose Mercedes W124 Water Coolant Heater Line A1248303296

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Mercedes Vito Viano W639 Water Hose Cooling Coolant Radiator Pipe A6398320393

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Mercedes W907 Sprinter Radiator Coolant Hose Pipe Line A9078301001

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Mercedes W177 Water Coolant Pipe Hose A1775011101

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Intake Hose Mercedes W176 Air Charge Cooler Turbo Intercooler Pipe A2465281282

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Mercedes-Benz M-Class ML W163 M611 Injection System Pressure Line A6110701233

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Mercedes-Benz M-Class ML W163 Cooling Coolant Radiator Pipe Hose A1635000275

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Water Hose Mercedes W211 CLS W219 Cooling Radiator Coolant Pipe Line A2115014782

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Mercedes Vito W639 Coolant Hose EGR Cooler Feed Line OM651 Diesel A6512002300

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Water Pipe Mercedes W639 Engine Cooling Coolant Hose Line A6398326223

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Mercedes-Benz CL S Class C215 W220 Water Coolant Hose Pipe Radiator A2208320694

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Water Hose Mercedes W177 W247 M282 Coolant Radiator Pipe Line A2475010182

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Mercedes W204 Coolant Hose Radiator Cooling Water Pipe Line A2045013125

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Mercedes C205 M264 Circulation Water Fluid Coolant Pipe Hose A2055011601

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Mercedes Sprinter W906 Water Hose Cooling Radiator Coolant Pipe Hose A9065010882

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Mercedes Vito W639 Heat Exchanger Water Coolant Hose Pipe Line A6398325823

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Water Hose Mercedes W213 C238 C253 C257 Coolant Pipe Line Tube A2538304800

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Mercedes-Benz W168 M166 Radiator Water Coolant Pipe Hose A1662000452

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Mercedes W221 OM642 Engine Water Coolant Pipe Hose Line A2215012025

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Coolant Hose Mercedes W251 Diesel OM642 Radiator Water Cooling Line A2515018382

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

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Mercedes W166 Coolant Hose Pipe Line A1665000575

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Mercedes W205 W213 W222 C253 Engine Cooling System Coolant Valve A0005003040

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Water Pipe Mercedes W204 W212 Engine Cooling Coolant Hose Line A2048306696

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Mercedes W205 C205 Coolant Radiator Pipe Hose Line A2055012200

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Mercedes ML W164 Coolant Water Cooling Hose Pipe Line Petrol A1645061535

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Mercedes W639 Coolant Water Hose Pipe Line Radiator Cooler A6392710296

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Mercedes Vito W447 OM622 Water Coolant Bleed Line A4475017700

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Mercedes EQA350 H243 Electric Cooler Water Pump Line Hose A2435000200

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Water Pipe Mercedes Sprinter W906 Cooling Radiator Coolant Hose Line A9068320215

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Mercedes W205 Water Coolant Return Pipe Hose Line A2055018982

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

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Mercedes H243 Water Hose Radiator Coolant Cooling Pipe Line Left N/S A2435002800

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Mercedes Vito W639 OM646 Diesel Heater Water Coolant Hose Pipe Line A6398326523

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Mercedes C204 M276 Petrol Engine Coolant Inlet Connection A2762000356

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