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.

More information

Find it faster

Match to your vehicle

Make

Mercedes W177 Engine Coolant Hose Pipe Tube Line OM654 Diesel A6542031802

€89.95

Part no. A2044661381

Water Pipe Mercedes W204 M271 Engine Cooling Radiator Coolant Hose A2044661381

€23.95

Part no. A6422001001

Mercedes W164 W204 W211 W221 OM642 Diesel Water Pump A6422001001

€23.95

Part no. A2205010182

Mercedes W220 Radiator Coolant Hose Cooling Line Pipe A2205010182

€23.95

Part no. A4145010025

Mercedes Vaneo W414 Radiator Breather Pipe Hose A4145010025

€23.95

Part no. A6422030182

Mercedes W639 Water Line Fitting Hose Pipe A6422030182

€23.95

Part no. A2712002452-2

Mercedes W204 Water Pump Hose Radiator Coolant Cooling Pipe Line A2712002452

€23.95

Part no. A2662030882

Water Hose Mercedes W169 W245 M266 Coolant Cooling Pump Pipe Line A2662030882

€23.95

Part no. A4155010282

Mercedes W415 Water Hose Coolant Cooling Pipe Line A4155010282

€23.95

Part no. A1715010282

Mercedes SLK R171 Water Hose Cooling Radiator Coolant Pipe A1715010282

€23.95

Part no. A2602000051-1

Mercedes W177 Water Hose Coolant Cooling Pipe Line A2602000051

€66.95

Part no. A2712030382

Mercedes W205 Engine Water Coolant Pipe Hose M271 Petrol A2712030382

€23.95

Part no. A6395280982

Mercedes-Benz Vito Viano W639 Air Charge Intercooler Hose Pipe A6395280982

€23.95

Part no. A9065010182

Radiator Hose Mercedes Sprinter W906 Diesel Water Cooling Pipe A9065010182

€23.95

Part no. A6512000282

Water Hose Mercedes W176 W246 Diesel OM651 Cooling Coolant Pipe A6512000282

€28.95

Part no. A2762000156

Mercedes W212 M276 Coolant Fluid Inlet Connection Flange A2762000156

€23.95

Part no. A6512030602

Mercedes W176 Coolant Pipe Engine Block Water Line Diesel OM651 A6512030602

€23.95

Part no. A2478307600

Mercedes W177 W247 Heater Water Cooling Coolant Pipe Hose Line A2478307600

€37.95

Part no. A6512300956

Vacuum Pipe Mercedes W906 W639 Diesel OM651 Water Pump Line A6512300956

€32.95

Part no. A2045012682

Water Hose Mercedes W204 C207 W212 Coolant Radiator Pipe Line A2045012682

€23.95

Part no. A2712002352

Mercedes W204 Water Hose Radiator Coolant Cooling Pipe Line A2712002352

€23.95

Part no. A2478306800

Water Hose Mercedes W177 W247 Heat Exchanger Coolant Return Pipe A2478306800

€23.95

Part no. A2742000615-2

Thermostat Pipe Mercedes W205 X253 W212 Petrol M274 Coolant Hose A2742000615

€23.95

Part no. A6511421780

Coolant Pipe Mercedes W242 Diesel OM651 Water Line To Crankcase A6511421780

€28.95

Part no. A2045013982

Coolang Hose Mercedes C204 W207 W212 W218 Pipe Radiator Left N/S A2045013982

€23.95

Part no. A6512000451

Coolant Pipe Mercedes W212 Diesel OM651 Water Pump Flange Line A6512000451

€23.95

Part no. A2048306296

Mercedes W204 C207 W212 C218 Water Coolant Return Pipe Hose OM642 A2048306296

€23.95

Part no. A6461420079

Mercedes W639 OM646 EGR Exhaust Cooler Heat Exchanger A6461420079

Product currently unavailable

Part no. A2045011025

Mercedes W204 Vent Pipe Diesel Cooling Line Expansion Tank Hose A2045011025

Product currently unavailable

Part no. A6110700033

Mercedes-Benz M-Class ML W163 Injection System Pressure Line Diesel A6110700033

Product currently unavailable

Part no. A1695050030

Mercedes W169 Petrol Engine Cooling Radiator Air Duct Baffle A1695050030

Product currently unavailable

Part no. A6110701133

Mercedes W639 OM646 Fuel Injection Pressure Pipe Rail Injector Set A6110701133

Product currently unavailable

Part no. A6398300516

Mercedes Vito Viano W639 Water Hose Cooling Coolant Radiator Pipe A6398300516

Product currently unavailable

Part no. A6510101782

Vent Hose Mercedes Vito W447 Diesel OM651 Engine Breather Line A6510101782

Product currently unavailable

Part no. A2115011225

Mercedes W211 OM642 Coolant Hose Water Pipe Radiator Expansion Tank A2115011225

Product currently unavailable

Part no. A2712001452

Coolant Pipe Mercedes R177 Petrol Engine M271 Water Pump Cylinder Head Line

Product currently unavailable

Part no. A2711410683

Mercedes-Benz W203 W211 M271 Kompressor EGR Valve Hose Pipe Petrol A2711410683

Product currently unavailable

Part no. A2048300096

Mercedes W204 M271 Water Hose Engine Cooling Coolant Pipe Line A2048300096

Product currently unavailable

Part no. A9075010000

Mercedes W907 Coolant Radiator Expansion Tank Bleed Line A9075010000

Product currently unavailable

Part no. A2662000052-1

Coolant Hose Mercedes W169 W245 M266 Water Pipe A2662000052

Product currently unavailable

Part no. 1481934

Mercedes Sprinter W906 Diesel OM651 Water Hose Cooling Coolant Pipe 1481934

Product currently unavailable

Part no. A2034701420-1

Mercedes-Benz C CLK W203 C209 Petrol Fuel Tank Filler Neck Pipe A2034701420

Product currently unavailable

Part no. A2712300656

Mercedes C CLK W203 C209 Kompressor Air Conditioning Suction Pipe Line

Product currently unavailable

Part no. A9078304700

Mercedes Sprinter W907 Diesel OM654 Coolant Hose Heating Water Line A9078304700

Product currently unavailable

Part no. A2125013725-1

Mercedes W212 Diesel OM651 Bleed Line Radiator Expanion Tank Hose A2125010825

Product currently unavailable

Part no. A6120160681

Mercedes W906 OM611 OM612 OM646 OM647 Cylinder Head Molded Hose Line A6120160681

Product currently unavailable

Part no. A2475010125

Breather Hose Mercedes W205 Coolant Line Breather Water Pipe A2475010125

Product currently unavailable

Part no. A2048300996

Water Hose Mercedes W204 W212 Engine Cooling Radiator Coolant Pipe A2048300996

Product currently unavailable

Part no. A2185012182

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

Product currently unavailable

Part no. A6420700033 / A6420701433 / A6420700800

Mercedes-Benz ML W164 OM642 Fuel Injection Line Pressure Pipe Rail Injector Set

Product currently unavailable

Part no. A6462031082

Heater Hose Mercedes W204 W212 OM646 Water Coolant Return Pipe A6462031082

Product currently unavailable

Part no. A6395015782

Mercedes W639 OM642 Water Hose Radiator Cooling Coolant Pipe Line A6395015782

Product currently unavailable

Part no. A2055016200

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line A2055016200

Product currently unavailable

Part no. A6512031882

Mercedes W204 W212 Coolant Hose OM651 Diesel Heater Water Pipe A6512031882

Product currently unavailable

Part no. A6511400700

EGR Exhaust Cooler Mercedes W204 W212 Heat Exchanger OM651 Diesel A6511400775

Product currently unavailable

Part no. A2034701620

Mercedes-Benz C-Class W203 Fuel Tank Filler Neck Pipe Hose A2034701620

Product currently unavailable

Part no. A1775016000

Coolant Hose Mercedes W177 W247 OM608 Diesel Radiator Cooler To Regulation Valve

Product currently unavailable

Part no. A2712300156

Mercedes-Benz C-Class W203 Air Conditioning Hose Pipe Line A2712300156

Product currently unavailable

Part no. A2118301496

Water Hose Mercedes W211 W219 OM642 Engine Coolant Cooling Pipe Line A2118301496

Product currently unavailable

Part no. A2642008600

Mercedes W205 M264 Petrol Engine Water Coolant Pipe Hose A2642008600

Product currently unavailable

Part no. A4475017700

Mercedes Vito W447 OM622 Water Coolant Bleed Line A4475017700

Product currently unavailable

Part no. A6460700500

Mercedes W204 OM646 Fuel Injection Line Pressure Pipe Rail Injector Set

Product currently unavailable

Part no. A1668300596-1

Coolant Hose Mercedes W166 Diesel OM642 Radiator Water Hose A1668300596

Product currently unavailable

Part no. A2125013825

Mercedes W212 Expansion Tank Cooler Cooling Pipe Hose Line A2125013825

Product currently unavailable

Part no. A2035014582

Mercedes W203 M272 Water Hose Engine Cooling Radiator Coolant Pipe A2035014582

Product currently unavailable

Part no. A1645011182

Mercedes-Benz M ML W164 Engine Radiator Coolant Hose Pipe Bottom A1645011182

Product currently unavailable

Part no. A2475062800

Mercedes W177 W247 Water Hose Coolant Cooling Pipe Line A2475062800

Product currently unavailable

Part no. A1715010182

Mercedes SLK R171 Hose Radiator Coolant Cooling Pipe Line A1715010182

Product currently unavailable

Part no. A2048306696

Water Pipe Mercedes W204 W212 Engine Cooling Coolant Hose Line A2048306696

Product currently unavailable

Part no. A6262000182

Mercedes W205 OM626 Water Pipe Engine Cooling Coolant Hose Line A6262000182

Product currently unavailable

Part no. A1725017282

Mercedes R172 M274 Engine Coolant Left N/S Cooler Hose Pipe Line A1725017282

Product currently unavailable

Part no. A1645004175

Mercedes ML W164 Water Pipe Engine Cooling Coolant Hose Line A1645000175

Product currently unavailable

Part no. A1665001075

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

Product currently unavailable

Part no. A6398306315

Heater Hose Mercedes Vito W639 Water Coolant Return Pipe Diesel A6398306315

Product currently unavailable

Part no. A2038304796-1

Water Hose Mercedes W203 W209 OM646 Cooling Coolant Pipe Line A2038304796

Product currently unavailable

Part no. A2128302300

Mercedes W212 M278 Petrol Engine Water Coolant Hose Line Tube A2128302300

Product currently unavailable

Part no. A1645002775

Mercedes ML W164 GL X164 Water Coolant Hose Pipe Radiator A1645002775

Product currently unavailable

Part no. A2055012200

Mercedes W205 C205 Coolant Radiator Pipe Hose Line A2055012200

Product currently unavailable

Part no. A2115282282

Mercedes-Benz W211 E 270 CDI Diesel Air Charge Intercooler Hose A2115282282

Product currently unavailable

Part no. A2055014900

Mercedes W205 Heater Water Cooling Coolant Pipe Hose Line A2055014900

Product currently unavailable

Part no. A2135012202

Coolant Hose Mercedes W213 Diesel OM656 Radiator Left Water Line A2135012202

Product currently unavailable

Part no. A2095011182

Mercedes W209 M112 Radiator Lower Hose Coolant Cooling Pipe Line A2095011182

Product currently unavailable

Part no. A1685010182

Mercedes-Benz A W168 A140 A160 Radiator Pipe Line Hose Lower Bottom A1685010182

Product currently unavailable

Part no. A2435004700

Mercedes EQA350 H243 Electric Drive Coolant Hose Water Line A2435004700

Product currently unavailable

Part no. A2055019101

Mercedes W205 Engine Cooling Cooler Hose Tube Line Pipe A2055019101

Product currently unavailable

Part no. A2115001972

Water Hose Mercedes W211 CLS C219 Radiator Coolant Cooling Pipe Line A2115001972

Product currently unavailable

Part no. A2128300095

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

Product currently unavailable

Part no. A2038304096

Water Hose Mercedes W203 W209 Cooling Coolant Pipe Line A2038304096

Product currently unavailable

Part no. A6401400975

EGR Exhaust Cooler Mercedes W169 W245 Heat Exchanger OM640 Diesel A6401400975

Product currently unavailable

Part no. A1705000075

Mercedes R170 Water Hose Radiator Cooling Coolant Top Pipe Line A1705000075

Product currently unavailable

Part no. A6512003202-1

Mercedes Sprinter W910 Diesel OM651 Water Pump Coolant Flange A6512030200

Product currently unavailable

Part no. A1662000452

Mercedes-Benz W168 M166 Radiator Water Coolant Pipe Hose A1662000452

Product currently unavailable

Part no. A2038323894-1

Mercedes W203 C180 C200 Kompressor Engine Cooling Radiator Return Hose Pipe

Product currently unavailable

Part no. A2038305496

Water Hose Mercedes W203 W209 OM646 Cooling Coolant Pipe Line A2038305496

Product currently unavailable

Part no. A1645002675

Mercedes ML W164 OM642 Water Hose Water Coolant Cooling Pipe Line A1645002675

Product currently unavailable

Part no. A2128301696

Heater Line Mercedes W204 C207 W212 Petrol OM271 Coolant Hose A2128301696

Product currently unavailable

Part no. A2115011082

Mercedes-Benz W211 E 270 CDI Diesel Engine Cooling Radiator Hose A2115011082

Product currently unavailable

Part no. A2095010282

Mercedes CLK W209 M112 Water Hose Radiator Coolant Pipe Line A2095010282

Product currently unavailable

Part no. A2535015001

Water Hose Mercedes C253 X253 Radiator Coolant Cooling Pipe Line A2535015001

Product currently unavailable

...

Showing 496-594 of 899 products