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 W205 X253 Diesel OM651.921 Engine Coolant Water Thermostat A6512002700

€32.95

Part no. A2135016982

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

€23.95

Part no. A2115015482

Water Hose Mercedes W211 CLS W219 Radiator Cooling Coolant Pipe A2115015482

€23.95

Part no. A2478306300

Water Hose Mercedes W177 W247 Heat Exchanger Coolant Return Pipe A2478306300

€28.95

Part no. A2213200355

Mercedes CL C216 W221 Radiator Coolant Cooling Hose Pipe Line A2213200355

€23.95

Part no. A2128301096

Mercedes W212 C218 W212 Engine Coolant Hose Pipe Expansion Tank A2128301096

€23.95

Part no. A2722001351

Mercedes W212 M272 Engine Water Coolant Pipe Hose Line A2722001351

€42.95

Part no. A2822009100

Mercedes C118 W177 Water Coolant Pipe Hose Line M282 A2822009100

€23.95

Part no. A6400101382

Mercedes-Benz W169 W245 180CDI 200CDI Water Coolant Pipe Hose A6400101382

€23.95

Part no. A2602003600

Mercedes W177 M260 Petrol Engine Coolant Hose Line Tube Pipe A2602003600

€51.95

Part no. A2218324394

Mercedes-Benz S-Class W221 Engine Water Cooling Coolant Hose Pipe A2218324394

€23.95

Part no. A6222000056

Mercedes S205 OM626 Water Pump Coupling Connector Valve Tube A6222000056

€80.95

Part no. A2135014782

Water Hose Mercedes W213 S213 Radiator Cooling Coolant Pipe Line A2135014782

€23.95

Part no. A2722001151

Mercedes W211 S211 S212 W221 Coolant Water Pipe Line M272 Petrol A2722001151

€28.95

Part no. A2742031202

Water Hose Mercedes W204 C207 W212 W205 W213 M274 Coolant Line Pipe A2742031202

€23.95

Part no. A2822009200

Mercedes C118 W177 Water Coolant Pipe Hose Line M282 A2822009200

€32.95

Part no. A2602002000

Mercedes W177 M260 Petrol Engine Coolant Hose Line Tube Pipe A2602002000

€37.95

Part no. A2642002301

Mercedes C205 C250D Water Cooling Cooler Feed Line A2642002301

€28.95

Part no. A2712000315

Mercedes W204 Coolant Cooler Water Thermostat A6512002700

€89.95

Part no. A2055019901

Mercedes W205 C300de Hybrid Water Coolant Pipe Hose Line A2055019901

€23.95

Part no. A2822009500

Mercedes C118 W177 Water Coolant Pipe Hose Line Tube M282 A2822009500

€75.95

Part no. A6398328823

Mercedes Vito W639 Heater Feed Hose Water Line Pipe OM642 Diesel A6398328823

€23.95

Part no. A2118303996

Water Hose Mercedes W211 CLS W219 Engine Coolant Cooling Pipe Line A2118302596

€28.95

Part no. A6398305315

Coolant Hose Mercedes Vito W639 Heat Exchanger Water Pipe Diesel A6398305315

€23.95

Part no. A2468303196

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

€28.95

Part no. A1725014582

Mercedes SLK250 CDI R172 OM651 Cooling Water Return Pipe Hose Line A1725014582

€23.95

Part no. A2118300196

Mercedes-Benz E-Class W211 Cooling Engine Water Coolant Hose Pipe A2118300196

€23.95

Part no. A6400101282

Mercedes W168 W169 Engine Water Coolant Breather Pipe Hose A6400101282

€23.95

Part no. A2475010658

Mercedes W177 Radiator Coolant Line Pipe Hose A2475010658

€23.95

Part no. A2215019282

Mercedes C216 W221 S65 AMG M275 Auxiliary Radiator Coolant Pipe A2215019282

€56.95

Part no. A6082000152

Mercedes W177 OM608 Diesel Engine Coolant Cooling Pipe Line Hose A6082000152

€23.95

Part no. A6462030282

Mercedes W639 Heat Exchanger Hose Water Coolant Top Pipe Line OM646 A6462030282

€23.95

Part no. A2435001100

Mercedes EQA350 H243 Coolant Water Pump Hose Electric Drive A2435001100

€75.95

Part no. A2055019801

Mercedes W205 Coolant Hose Pipe Line A2055019801

€28.95

Part no. A2435001500

Mercedes EQA350 H243 Coolant Hose Electric Drive Battery Charger A2435001500

€37.95

Part no. A9065010782

Mercedes Sprinter W906 Radiator Coolant Vent Pipe Hose Diesel A9065010782

€23.95

Part no. A1725011025

Mercedes SLK R172 Water Coolant Pipe Hose Line M271 A1725011025

€32.95

Part no. A1669970859

Mercedes ML W166 Water Coolant Hose Pipe Tube Line A1669970859

€23.95

Part no. A2058305005

Mercedes W205 W253 OM654 Coolant Hose Water Pipe Line A2058305005

€23.95

Part no. A2435004400

Mercedes EQA H243 Electric System Cooling Hose Line A2435004400

€51.95

Part no. A2742000282

Mercedes W204 M274 Petrol Water Coolant Cooling Hose Line Pipe A2742000282

€28.95

Part no. A6398321823

Water Hose Mercedes Vito W639 Cooling Radiator Coolant Pipe Hose A6398321823

€23.95

Part no. A2035015782

Mercedes-Benz C-Class W203 Kompressor Radiator Top Hose Pipe Petrol A2035015782

€23.95

Part no. A2435000400

Coolant Hose Mercedes EQA H243 Voltage Converter Cooling Line A2435000400

€28.95

Part no. A2055019601

Mercedes W205 Water Pump Charge Air Coolant Hose Tube Pipe Line A2055019601

€94.95

Part no. A6421800431

Mercedes W204 Water Hose Coolant Cooling Pipe Line A6421800431

€37.95

Part no. A2478303601

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

€23.95

Part no. A1772000651

Mercedes W205 W213 63 AMG Turbocharger Coolant Pipe Line Right O/S A1772000651

€70.95

Part no. A1765012182

Mercedes W176 C117 X156 M133 Water Coolant Hose Pipe Line Tube A1765012182

€70.95

Part no. A9075011300

Mercedes W907 Coolant Radiator Expansion Tank Bleed Line Pipe Hose A9075011300

€56.95

Part no. A2575011100

Coolant Hose Mercedes C238 M256 Expansion Tank Radiator Line A2575011100

€32.95

Part no. A2045012882

Mercedes C207 S212 Low Temperature Radiator Hose Tube Line Pipe A2045012882

€23.95

Part no. A2435001400

Mercedes EQA350 H243 Electric Drive Battery Charger Coolant Hose A2435001400

€32.95

Part no. A2642007800

Mercedes W205 Water Coolant Line Radiator Cooling Hose Pipe Petrol A2642007800

€85.95

Part no. A6512030300

Coolant Hose Mercedes W204 W906 Diesel OM651 Thermostat Connector A6512030300

€23.95

Part no. A2435000800

Mercedes EQA350 H243 Electric Coolant Hose Water Heater Line A2435000800

€32.95

Part no. A2055015700

Mercedes-Benz W205 Coolant Hoses Pipes A2055015700

€42.95

Part no. A2055011891-1

Mercedes W205 Water Coolant Cooling Pipe Hose Line Tube C220 BlueTECA2055011891

€37.95

Part no. A1695011182

Mercedes-Benz A B Class W169 W245 Water Coolant Hose Pipe Radiator A1695011182

€23.95

Part no. A1725010382

Mercedes R172 Engine Water Coolant Hose Pipe Line Petrol A1725010382

€23.95

Part no. A2435000300

Coolant Line Mercedes EQA350 H243 Electric Drive System Cooling Hose A2435000300

€28.95

Part no. A9075011800

Mercedes Sprinter W907 W910 Water Coolant Hose Pipe Line A9075011800

€23.95

Part no. A6511400700-1

Mercedes W204 W212 OM651 Diesel EGR Valve With EGR Exhaust Cooler A6511400775

€66.95

Part no. A6422000058

Mercedes W204 Engine Water Cooling Drain Pipe Bleed Line Tube Diesel A6422000058

€28.95

Part no. A2475010582

Coolant Hose Mercedes W177 W247 Cooler Radiator To Thermostat Line A2475010582

€28.95

Part no. A6402001352

Mercedes W169 W245 CDI Radiator Water Cooling Pipe Hose Line A6402001352

€23.95

Part no. A1645000075

Mercedes W164 X164 Radiator Engine Coolant Hose Tube Line Pipe A1645000075

€23.95

Part no. A2135010982

Mercedes X253 Coolant Hose Pipe Cooling Line A2135010982

€32.95

Part no. A2315011182

Mercedes R231 Engine Cooling Coolant Line Pipe Hose A2315011182

€28.95

Part no. A4478320015

Mercedes Vito W447 Diesel Coolant Hose Heater Water Line Hose A4478320015

€23.95

Part no. A4478323723-

Coolant Hose Mercedes Vito W447 Diesel M651 Heater Water Return Line A4478323723

€23.95

Part no. A6395017382

Water Pipe Mercedes W639 Engine Cooling Coolant Hose Line A6395017382

€23.95

Part no. A6512001051

Water Pipe Mercedes W205 C253 OM651 Engine Cooling Coolant Hose A6512001051

€23.95

Part no. A2053400400

Mercedes W205 Water Hose Cooling Coolant Pipe A2053400400

€32.95

Part no. A1635012382

Mercedes W163 Coolant Engine Expansion Tank Hose Tube Line Pipe A1635012382

€32.95

Part no. A1111400140

Mercedes-Benz C 180 W203 M111 EGR Valve Bracket Mount Holder A1111400140

€23.95

Part no. A2125015782

Coolant Pipe Mercedes W212 W218 Expansion Overflow Tank Cooling Hose A2125015782

€23.95

Part no. A2138309000

Mercedes W213 Engine Coolant Water Pipe Hose Line A2138309000

€23.95

Part no. A2742001682-1

Mercedes W204 M274 Petrol Engine Coolant Hose Water Line Pipe A2742001682

€23.95

Part no. A2742030302

Cooling Hose Mercedes W204 W205 W212 Water Coolant Pipe Line A2742030302

€23.95

Part no. A2315001075

Mercedes R231 Coolant Cooling Hose Pipe Line Right OS A2315001075

€32.95

Part no. A2108325694

Mercedes-Benz E-Class W210 Diesel CDI Water Pipe Hose Heater Valve A2108325694

€23.95

Part no. A2742002582

Water Hose Mercedes W212 X253 M274 Cooling Coolant Pipe Line Tube A2742002582

€42.95

Part no. A2095013382

Water Hose Mercedes CL203 W209 OM646 Engine Cooling Coolant Pipe A2095013382

€23.95

Part no. A2055017984

Coolant Hose Mercedes W205 Diesel M651 Oil Cooler Water Hose A2055017984

€28.95

Part no. A2782000551

Mercedes W212 M157 Water Coolant Return Pipe Hose Line A2782000551

€23.95

Part no. A2702001800

Mercedes X156 Water Pump Thermostat Housing Pipe Hose Connector M270 A2702001800

€85.95

Part no. A2742001682

Coolant Hose Mercedes W204 Petrol M274 Engine Cooling Water Line A2742001682

€32.95

Part no. A1725011982

Mercedes SLK R172 M271 Water Coolant Pipe Cooling Hose A1725011982 A1728320294

€42.95

Part no. A4478320323

Mercedes W447 Water Hose Cooling Radiator Coolant Pipe Line A4478320323

€32.95

Part no. A2055061760

Mercedes W205 C253 X253 Engine Water Coolant Pipe Hose Petrol A2055061760

€94.95

Part no. A2782000651

Mercedes W212 M157 Water Coolant Feed Pipe Hose Line A2782000651

€28.95

Part no. A2762000452

Water Hose Mercedes W204 W212 Radiator Coolant Feed Tube Pipe Line A2762000452

€23.95

Part no. A1645280382

Mercedes W164 Air Intake Hose Intercooler Charge Pipe Line Diesel A1645280382

€23.95

Part no. A2125014784

Coolant Pipe Mercedes W212 C218 M276 Petrol Engine Water Hose A2125014784

€23.95

Part no. A2702032902

Water Pipe Mercedes C117 W176 W246 M270 Coolant Hose Line A2702032902

€23.95

Part no. A6512003202-2

Water Hose Mercedes Sprinter W910 OM651 Heater Coolant Pipe Part A6512030200

€23.95

Part no. A1725011800

Mercedes R172 Engine Radiator Coolant Hose Pipe A1725011800

€28.95

Part no. A2711420203

Mercedes SLK R172 Intake Manifold Sound Generator M271 Petrol A2711420203

€23.95

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