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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Water Hose Mercedes C207 W212 W218 Engine Cooling Coolant Pipe A2185012882

€28.95

Part no. A2208321794

Mercedes W220 Heating Water Line Hose M113 Engine A2208321794

€23.95

Part no. A2538308801

Heater Coolant Hose Mercedes C253 W213 Water Pump Heater Line A2538308801

€28.95

Part no. A1725014482

Mercedes SLK R172 OM651 Engine Coolant Water Pipe Hose A1725014482

€23.95

Part no. A6542033401

Mercedes W177 Water Coolant Cooling Pipe Line Hose A200d Diesel A6542033401

€23.95

Part no. A1765011582

Mercedes W176 C117 X156 M133 Petrol Engine Water Coolant Hose Pipe A1765011582

€47.95

Part no. A1332000053

Mercedes CLA W176 AMG M133 E20 Coolant Hose Cooling Water Pipe Line A1332000053

€28.95

Part no. A2058309005

Heating Line Mercedes W205 Return Water Hose To Circulation Pump A2058309005

€23.95

Part no. A6542039600-2

Mercedes W205 W447 OM654 Water Hose Engine Cooling Coolant Pipe Part A6542039600

€23.95

Part no. A2742000053

Mercedes W204 C207 W212 Cooling Engine Water Coolant Hose Pipe A2742000053

€28.95

Part no. A2468303396

Water Hose Mercedes W176 W246 Heat Exchanger Cooling Coolant Pipe A2468303396

€23.95

Part no. A1332030002

Mercedes W176 A45 AMG Coolant Hose Cooling Water Pipe Line A1332030002

€28.95

Part no. A1332000252

Mercedes W176 Water Circulation Feed Line Hose Tube Pipe A1332000252

€32.95

Part no. A6395017482

Water Hose Mercedes Vito Viano W639 Cooling Coolant Pipe Line OM651 A6395017482

€23.95

Part no. A1725010182

Coolant Hose Mercedes SLK R172 Petrol M271 Radiator Line Left N/S A1725010182

€28.95

Part no. A2742001651

Mercedes W205 Petrol Engine Coolant Hose Water Line Pipe A2742001651

€23.95

Part no. A2048305596

Water Pipe Mercedes W204 S204 OM646 Cooling Coolant Hose Line A2048305596

€23.95

Part no. A2742000782

Coolant Hose Mercedes W204 Petrol M274 Engine Cooling Water Line A2742000782

€32.95

Part no. A2435000500

Mercedes H243 Water Hose Radiator Coolant Cooling Pipe Line A2435000500

€28.95

Part no. A1645014782

Mercedes W164 Water Radiator Coolant Hose Pipe Line OM642 Diesel A1645014782

€23.95

Part no. A1765012082-1

Water Hose Mercedes C117 W176 AMG Pipe Engine Cooling Coolant Line A1765012082

€51.95

Part no. A1645060035

Mercedes X164 Engine Water Hose Tube Line Pipe M272 M273 5.5 Petrol A164506003

€23.95

Part no. A2742002051

Coolant Pipe Mercedes W213 X253 M274 Engine Cooling Feed Water Hose A2742002051

€23.95

Part no. 8571621

Water Hose BMW X3 F25 X4 F26 Diesel Cooling Coolant Radiator Pipe Line 3168490

€23.95

Part no. A2048306396

Mercedes W204 W207 Diesel Water Line Coolant Hose Ruber Pipe A2048306396

€27.95

Part no. A2478303800

Mercedes W177 W247 Coolant Pipe Heat Exchange Return Hose A2478303800

€28.95

Part no. A2535014200

Coolant Pipe Connector Mercedes W213 H243 Hybrid Cooling Hose Link A2535014200

€28.95

Part no. A1725010682

Mercedes SLK R172 Diesel OM651 Coolant Hose Left N/S Radiator Line A1725010682

€23.95

Part no. A2712002552

Water Pipe Mercedes W204 M271 Engine Cooling Radiator Coolant Hose A2712002552

€37.95

Part no. A6512033082

Mercedes W212 OM651 Coolant Hose Connector Thermostat Pump Outlet A6512033082

€23.95

Part no. A1725012982

Mercedes SLK R172 Water Hose Radiator Coolant Cooling Pipe Line A1725012982

€23.95

Part no. A2035016382

Water Hose Mercedes W203 W209 M272 Expansion Tank Coolant Pipe Line A2035016382

€23.95

Part no. A2215010225

Mercedes W221 Water Hose Radiator Coolant Cooling Pipe Line A2215010225

€32.95

Part no. A2218320423

Mercedes-Benz S W221 Diesel OM642 Water Coolant Cooling Pipe Hose A2218320423

€23.95

Part no. A2702031582

Coolant Hose Mercedes W177 M260 Engine Coolant Cooling Pipe Line A2702031582

€23.95

Part no. A2475010258

Water Hose Mercedes C118 W177 W247 Engine Coolant Pipe Line A2475010258

€23.95

Part no. A2055010891-1

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line A2055010891

€23.95

Part no. A1775010403

Mercedes W177 Coolant Expansion Tank Hose Pipe Line A1775010403

€42.95

Part no. A6395017982

Mercedes W639 Water Hose Coolant Expansion Tank Pipe Line A6395017982

€23.95

Part no. A1725011125

Mercedes SLK R172 Breather Hose Expansion Tank Bleed Petrol M271 A1725011125

€23.95

Part no. A6461400208

Mercedes-Benz Vito Viano W639 OM646 EGR Exhaust Gas Cooling Pipe A6461400208

€23.95

Part no. A2602004400

Mercedes W177 Heater Radiator Coolant Pipe Hose A2602004400

€66.95

Part no. A1725012382

Mercedes SLK R172 M271 M276 Coolant Hose Cooler Water Line A1725012382

€32.95

Part no. A4475014500

Mercedes W447 Radiator Coolant Hose Cooling Pipe Bleed Line A4475014500

€23.95

Part no. A1725012082

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

€32.95

Part no. A2602000400

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

€23.95

Part no. A2742032302

Mercedes W212 Petrol OM274 Coolant Pipe EGR Cooler Line A2742032302

€23.95

Part no. A1728301396

Mercedes SLK R172 OM651 Engine Water Coolant Pipe Cooling Hose Line A1728301396

€23.95

Part no. A2055010782

Mercedes W205 Water Radiator Pipe Hose Coolant Cooling Line A2055010782

€32.95

Part no. A1725011225

Mercedes R172 Water Coolant Pipe Hose Line 250CDI BlueEfficiency A1725011225

€23.95

Part no. A2045012982

Water Pipe Mercedes W204 OM642 Engine Cooling Radiator Coolant Hose A2045012982

€28.95

Part no. A6512001651-1

Mercedes W204 Engine Coolant Water Pump Pipe Line OM651 Diesel A6512001651

€32.95

Part no. A2385010601

Coolant Hose Mercedes W213 C238 Water Pump To Radiator A2385010601

€28.95

Part no. A2055011800

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line A2055011800

€23.95

Part no. A2058309005-1

Heating Line Mercedes W205 Return Water Hose To Circulation Pump A2058309005

€32.95

Part no. A2465011258

Water Hose Mercedes W176 W246 OM651 Cooling Coolant Pipe Line A2465011258

€23.95

Part no. A9075010900

Mercedes W907 OM654 Water Pipe Engine Coolant Cooling Hose Line A9075010900

€28.95

Part no. A2125018282

Mercedes W204 W212 Water Pipe OM651 Engine Cooling Coolant Hose Line A2125018282

€23.95

Part no. A1725010358

Mercedes R172 Engine Radiator Coolant Hose Pipe A1725010358

€23.95

Part no. A2702030682

Water Hose Mercedes W176 W246 M270 Coolant Cooling Pipe Line A2702030682

€23.95

Part no. A2742001382

Cooling Line Mercedes W204 W212 C253 Water Pipes Hoses Coolant A2742001382

€23.95

Part no. A2642001001

Mercedes W205 Water Hose Engine Coolant Cooling Pipe Line M264 A2642001001

€32.95

Part no. A9065010482

Coolant Hose Mercedes Sprinter W906 Diesel OM642 Radiator Water Line A9065010482

€37.95

Part no. A2125019882

Mercedes W212 OM651 Water Pipe Engine Cooling Coolant Hose Line A2125019882

€23.95

Part no. A9078300102

Mercedes Sprinter W907 Water Coolant Pipe Hose Cooling Line A9078300102

€32.95

Part no. A2055016100

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line Petrol A2055016100

€23.95

Part no. A6402032282

Mercedes W169 W245 Heater Radiator Water Cooling Hose Diesel A6402032282

€23.95

Part no. A6512030902

Mercedes W447 OM651 Diesel Water Coolant Pipe Hose Line A6512030902

€37.95

Part no. A2742003782-1

Mercedes W205 Water Hose Engine Cooling Coolant Pipe Line A2742003782

€32.95

Part no. A2055000900

Mercedes W205 Water Pipe Engine Cooling Coolant Hose Line OM651 A2055000900

€28.95

Part no. A2742003782-2

Mercedes W205 Water Hose Engine Cooling Coolant Pipe Line A2742003782

€37.95

Part no. A2055011600

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line Petrol A2055011600

€23.95

Part no. A2515002875

Mercedes W251 V251 Engine Coolant Hose Tube Line Pipe M642 A2515002875

€23.95

Part no. A2822030082

Water Hose Mercedes C118 W177 W247 M282 Engine Coolant Pipe Line A2822030082

€32.95

Part no. A6512031782

Water Hose Mercedes W176 W246 OM651 Water Coolant Pump Pipe Line A6512031782

€23.95

Part no. A2742000082

Mercedes W204 Engine Coolant Hose Tube Line Pipe A2742000082

€23.95

Part no. A1724603824

Mercedes R172 Power Steering Radiator Cooling Hose Pipe Line A1724603824

€23.95

Part no. A2535015301

Mercedes GLC X253 Hybrid Battery Coolant Pipe Hose Line A2535015301

€32.95

Part no. A2535018382

Mercedes X253 GLC220D Radiator Transmission Cooler Expansion Tank Coolant Hose

€32.95

Part no. A2098300196

Mercedes CLK-Class C209 W209 Engine Motor Cooling Coolant Hose Line A2098300196

€23.95

Part no. A2742030382

Mercedes W204 W205 W213 Water Coolant Pipe Hose Line A2742030382

€32.95

Part no. A2602000051

Mercedes W177 Water Hose Water Coolant Cooling Pipe Line A2602000051

€23.95

Part no. A2642002501

Water Hose Mercedes W205 W213 Coolant Return Pipe Line A2642002501

€56.95

Part no. A1330109500

Mercedes W176 C117 Engine Breather Bleed Line Pipe Hose A1330109500

€222.95

Part no. A6398320793

Heater Hose Mercedes Vito W639 OM646 Water Coolant Return Pipe A6398320793

€23.95

Part no. A2118302515

Mercedes-Benz E CLS Class W211 W219 Engine Water Coolant Hose Pipe A2118302515

€23.95

Part no. A2742002982

Mercedes W204 Water Hose Coolant Cooling Pipe Line A2742002982

€32.95

Part no. A6512000556

Mercedes C117 W176 W246 OM651 Engine Coolant Flange Connector Hose A6512000556

€23.95

Part no. A2702000851

Water Pipe Mercedes C117 W176 W246 M270 Coolant Hose Line A2702000851

€32.95

Part no. A2055012601

Mercedes W205 Water Coolant Pipe Hose Bleed Line M274 Petrol A2055012601

€37.95

Part no. A2742001751

Mercedes W204 M274 Engine Coolant Water Pipe Hose A2742001751

€28.95

Part no. A6398328123

Mercedes Vito W639 Heat Exchanger Water Coolant Hose Pipe Line A6398328123

€23.95

Part no. A6398320893

Water Hose Mercedes Vito W639 Cooling Radiator Coolant Pipe Hose A6398320893

€23.95

Part no. A6398321893

Mercedes W639 Engine Coolant Water Hose Cooling Pipe OM651 Diesel A6398321893

€23.95

Part no. A2742000153

Coolant Pipe Mercedes W205 W213 X253 Petrol M274 Water Line A2742000153

€28.95

Part no. A2538304800

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

€23.95

Part no. A6398322393

Heat Exchanger Hose Mercedes Vito W639 OM646 Water Coolant Pipe A6398322393

€23.95

Part no. A0009972359

Mercedes W205 Engine Coolant Hose Pipe Tube Line A0009972359

€32.95

Part no. A6512031382

Mercedes Sprinter W906 Coolant Hose OM651 Diesel Heater Water Pipe A6512031382

€23.95

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