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 W213 C238 C253 C257 Coolant Pipe Line Tube A2538304800

€23.95

Part no. 2393796

Ford Fiesta Mk8 Water Coolant Pipe Hose Line 1.0 EcoBoost Petrol H1BG-8A365-BE

€51.95

Part no. LPLA-8D050-BD

Range Rover Sport L494 Engine Water Coolant Pipe Hose Line LPLA-8D050-BD

€42.95

Part no. 7897897

BMW 5 6 Series E60 E61N M5 E63 E64 M6 Cooling Water Compensation Tank Bracket

€23.95

Part no. 5N0122447AE

Volkswagen Tiguan 5N Mk1 Water Coolant Pipe 2.0 TDI 5N0122447AE

€23.95

Part no. LR125473

Range Rover Sport L494 Water Coolant Pipe Hose Line 3.0D AJ20D6 K6D3-8464-BB

€75.95

Part no. A6398322393

Heat Exchanger Hose Mercedes Vito W639 OM646 Water Coolant Pipe A6398322393

€23.95

Part no. 8W0819370C

Audi A4 B9 Water Hose Cooling Coolant Radiator Pipe Line 2.0 Petrol 8W0819370C

€23.95

Part no. 99610642002

Porsche Boxster 986 Water Coolant Pipe Support Holder Bracket Mount 99610642002

€23.95

Part no. 1K0122101KN-4

VW Caddy Mk2 Golf Mk6 Radiator Water Coolant Hose Pipe Line Diesel 1K0122101KN

€23.95

Part no. 05E121070

VW Volkswagen Golf 8 1.5 eTSI DFYA Water Coolant Pipe Hose Line Tube 05E121070

€32.95

Part no. 1705463

Ford Fiesta Mk7 Engine Cooling Coolant Pipe Hose Line 1.25 SNJA 8V21-8B273-AD

€23.95

Part no. 7846363-2

BMW F10 M5 F12 M6 Coolant Hose Radiator Cooling Water Pipe Line 7846363

€47.95

Part no. 04L121065

Audi A3 8V Engine Water Coolant Pipe Cooling Hose Line 04L121065

€23.95

Part no. JHB501461

Land Rover Discovery L319 Water Pipe Coolant Hose Line JHB501461

€28.95

Part no. 8K0145921Q

Audi S5 8T 3.0 TFSI Radiator Upper Hose Line Pipe Left N/S 8K0145921Q

€23.95

Part no. 8K0819374Q-1

Audi A5 8T Water Hose Cooling Radiator Coolant Pipe Line 8K0819374Q

€32.95

Part no. 7648644

Coolant Hose BMW F20 F30 F32 F36 N55 Petrol Engine Radiator Water Hose 7648644

€23.95

Part no. A0009972359

Mercedes W205 Engine Coolant Hose Pipe Tube Line A0009972359

€32.95

Part no. PCH001121

Range Rover L322 Radiator Water Pipe Hose Line 4.4L V8 PCH001121

€32.95

Part no. A6512031382

Mercedes Sprinter W906 Coolant Hose OM651 Diesel Heater Water Pipe A6512031382

€23.95

Part no. 6910759

BMW 5 Series E60 E61 Hose for radiator and engine return PETROL M54

€23.95

Part no. A2602031200

Water Pipe Mercedes W177 M260 Engine Cooling Radiator Coolant Hose A2602031200

€23.95

Part no. 8J0121101C-1

Audi TT 8J 2.0 TFSI Water Hose Cooling Coolant Radiator Pipe Line 8J0121101C

€42.95

Part no. AB39-6853-BF

Ford Ranger Mk6 Water Coolant Pipe Hose Line 3.2 TDCi AB39-6853-BF

€23.95

Part no. A2762001652

Mercedes W212 M276 Petrol Cylinder Head Feed Supply Line Pipe Hose A2762001652

€23.95

Part no. A9065013182

Radiator Hose Mercedes W906 Sprinter OM651 Diesel Coolant Line Pipe A9065013182

€23.95

Part no. 6928590

BMW 1 X1 3 Series E81 E84 E87 E90 E91N Additional Water Pump Hose Pipe 6928590

€23.95

Part no. LPLA-8A589-AE

Range Rover Sport L494 Water Coolant Hose Pipe 3.0 Diesel LPLA-8A589-AE

€47.95

Part no. 9193863

BMW F01 F10 F11 Coolant Return Pipe Line Hose N20 N53 Petrol 9193863

€28.95

Part no. A2475010800

Mercedes CLA X118 W177 Water Coolant Cooling Pipe Hose Line OM654 A2475010800

€23.95

Part no. 8N0121051E

Audi TT 8N S3 8L Water Hose Coolant Radiator Pipe Line 1.8 Petrol 8N0121051E

€23.95

Part no. 2678150

Ford Transit Custom Mk2 Radiator Coolant Hose Tube Line Pipe PZ31-8286-PAB

€42.95

Part no. 5N0129637D

Audi A3 8P Q3 8U Air Filter Box Water Coolant Drain Pipe Hose Line 5N0129637D

€23.95

Part no. 8V41-8C012-AB

Ford Kuga C394 Tank Water Pipe Engine Coolant Hose Tube Pipe Line 8V41-8C012-AB

€28.95

Part no. 4G0145919AC

Water Pipe Audi A6 C7 A7 4G 2.0 TDI Hose Engine Cooling Coolant Line 4G0145919AC

€47.95

Part no. A4475014800

Mercedes W447 OM622 Diesel Engine Radiator Coolant Hose Pipe A4475014800

€70.95

Part no. 7P0121070F

Porsche Cayenne 92A Coolant Hose Pipe Line 3.0 TFSI Petrol Engine 7P0121070F

€23.95

Part no. 8592808

Coolant Hose BMW G30 G31 G32 GT Diesel Transmission Oil Cooler Hose 8592808

€32.95

Part no. 5Q0122291CT

Volkswagen Golf Mk7 R Engine Water Radiator Pipe 2.0 TSI 5Q0122291CT

€23.95

Part no. 7592869

BMW F10 F11 Cooling System Flexible Coolant Water Hose N53 Petrol 7592869

€28.95

Part no. 3M5H-8C012-ML

Ford Focus Titanium Radiator Coolant Hose Pipe Tube Line 3M5H-8C012-ML

€23.95

Part no. 059121598L

Audi A7 4G Twin Turbo Coolant Feed Pipe Hose Line 3.0 TDI CGQB 059121598R

€42.95

Part no. CC11-12A188-AB

Ford Transit Mk7 Diesel Vacuum Pipe Hose Line CC11-12A188-AB

€37.95

Part no. 6911000

BMW 5 6 Series E60 E61 E63 E64 Hose Additional Water Pump Water Valve Pipe

€23.95

Part no. 8V2118K580DD

Ford Fiesta Mk7 Engine Water Coolant Hose Pipe Tube Line 1.6 8V21-18K580-DD

€32.95

Part no. 6C11-8W005-EA

Ford Transit Mk7 Water Hose Engine Cooling Radiator Coolant Pipe 6C11-8W005-EA

€23.95

Part no. 079121065BN-1

AUDI S5 8T 4.2 Petrol CAUA Coolant Pipe Left N/S Cooler Water Hose 079121065BN

€28.95

Part no. 8K0819342L

Audi S5 8T 3.0 TFSI Coolant Water Hose Line Cooling Tube Pipe 8K0819342L

€23.95

Part no. AH22-9F287-AC

Land Rover Discovery 4 L319 Coolant Hose Pipe Line Tube 3.0 Diesel AH22-9F287-AC

€23.95

Part no. 04E121070L

Volkswagen Audi Seat Skoda Engine Plastic Water Coolant Pipe Hose 04E121070L

€23.95

Part no. 7L8122096F

Audi Q7 4L Engine Coolant Hose Pipe Line Tube 7L8122096F

€37.95

Part no. AV41-8K012-BE

Ford Kuga MK1 Header Tank Water Coolant Pipe Hose Line 2.0 Diesel AV41-8K012-BE

€28.95

Part no. 7581942

Coolant Hose BMW F10 F11 N52N N53 Cylinder Head Thermostat Water Line 7581942

€23.95

Part no. 83A121102A

Audi RSQ3 F3 Engine Cooling Coolant Hose Tube Line Pipe 83A121102A

€23.95

Part no. 8651265

BMW G20 G21 X3 G01 G28 Coolant Hose Pipe Line Tube 2.0 Petrol 135kW 8651265

€28.95

Part no. A4535012400

Smart ForTwo C453 1.0 Petrol Engine Water Coolant Pipe Hose Line A4535012400

€37.95

Part no. 1870817

Ford Fiesta 1.25 Engine Water Cooling Coolant Hose Pipe 1.25 SNJA 8V21-8C351-DB

€23.95

Part no. C2C33937

Jaguar XF X250 S-Type XF Radiator Top Hose Coolant Pipe 2.7 Diesel C2C33937

€28.95

Part no. 8053471

Water Coolant Pipe BMW X3M F97 X4M F98 S58 Cooling Hose Line 8053471

€28.95

Part no. LR004074

Land Rover Freelander 2 L359 Coolant Water Hose Pipe 6G91-18C266-CF

€23.95

Part no. A2055011201

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line A2055011201

€32.95

Part no. PCH001130

Range Rover L322 Water Coolant Pipe Hose Line 4.4 1H4Z-8W005-AAA

€37.95

Part no. FPLA-8K570-CA

Range Rover Sport L494 Coolant Hose Pipe Line 3.0 Diesel FPLA-8K570-CA

€23.95

Part no. A9078300001

Water Hose Mercedes Sprinter W907 Heat Exchanger Coolant Feed Pipe A9078300001

€23.95

Part no. 8K0121036F-1

Audi A4 B8 Water Hose Radiator Coolant Pipe 1.8 2.0 Petrol 8K0121036F

€23.95

Part no. 5Q0122058K

Audi S3 8V TT 8S Q3 Mk2 2.0 Petrol Engine Coolant Hose Line Tube Pipe 5Q0122058K

€37.95

Part no. JB3G-8B555-AC

Ford Ranger Wildtrak Mk6 Coolant Water Outlet Pipe Hose 2.0 Diesel JB3G-8B555-AC

€23.95

Part no. 8K0819334AP

Audi S5 8T 3.0 TFSI Coolant Water Hose Line Tube Pipe 8K0819334AP

€23.95

Part no. 3B012291C-1

Audi A3 8P Water Coolant Hose Pipe Line Quick Connector 2.0 TFSI 3B012291C

€23.95

Part no. A2822032600

Mercedes W177 M282 Petrol Engine Water Hose Coolant Pipe Line A2822032600

€23.95

Part no. 8W0122101AA

Audi S4 B9 3.0 TFSI Petrol Coolant Water Hose Line Tube Pipe 8W0122101AA

€28.95

Part no. PCH001600

Range Rover L322 Coolant Water Pipe Hose Line 4.4 75036991

€23.95

Part no. 7P0122073B

Porsche Cayenne 92A Cooling Coolant Pipe Hose Line 3.0 TFSI Petrol 7P0122073B

€23.95

Part no. 6C1118K582CD

Ford Transit Mk7 Heater Outer Water Hose Line 6C11-18K582-CD

€23.95

Part no. A4478302302

Coolant Hose Mercedes W447 OM622 Radiator Engine Water Cooling Line A4475013182

€23.95

Part no. 3M5H-8260-EK

Ford Mondeo Mk4 Radiator Engine Cooling Hose Tube Line Pipe 3M5H-8260-EK

€23.95

Part no. A1112381282

Mercedes-Benz C-Class W203 M111 Pipe Hose Air Shut Off Valve A1112381282

€23.95

Part no. 1405169

Ford Focus ST Mk2 Engine Coolant Pipe Hose Tube 2.5 Petrol 1405169 6G9N-8274-JA

€66.95

Part no. 8K0121164E

Audi A4 B8 Water Pipe Hose Line Engine Cooling Coolant Unit Hose 8K0121164E

€23.95

Part no. 06Q121085E

Skoda Superb Se Engine Coolant Pipe Hose Tube Line 2.0 DNNA Petrol 06Q121085E

€28.95

Part no. 06H133514K

Audi A5 8T 2.0 TFSI CDNB Vacuum Solenoid Coolant Line Tube Hose Pipe 06H133514K

€32.95

Part no. 5Q0121070BQ

Audi S3 8V Water Hose Engine Coolant Cooling Pipe Line 5Q0121070BQ

€23.95

Part no. 7592866

BMW F10 F11 Cooling System Flexible Coolant Water Hose N53 Petrol 7599570

€42.95

Part no. 99610654652

Porsche Boxster 986 Engine Coolant Pipe Hose Splitter Y Piece 99610654652

€32.95

Part no. 99610641502

Porsche Boxster 986 Water Coolant Pipe Support Holder Bracket Clip 99610641502

€23.95

Part no. 5Q0121064BB

Audi A3 8V Water Pipe Hose Engine Cooling Coolant Unit Line 5Q0121064BB

€23.95

Part no. BK3Q-8A582-AA

Ford Transit Mk8 2.2 TDCI Water Coolant Pipe Cooling Hose Line BK3Q-8A582-AA

€28.95

Part no. 8K0819332B

Water Pipe Audi A5 S5 8T S4 B8 8K 3.0 TFSI V6 Coolant Hose Line 8K0819332B

€23.95

Part no. 7P0121065AK

Porsche Cayenne 92A Coolant Pipe Hose Line 3.0 TFSI Petrol 7P0121065AK

€23.95

Part no. A4475010682

Mercedes W447 Coolant Water Hose Pipe Line Radiator Cooler A4475010682

€23.95

Part no. A2045280682

Mercedes W204 W212 Air Intake Hose Intercooler Charge Pipe Diesel A2045280682

€23.95

Part no. 7599570

BMW F10 F11 Cooling System Flexible Coolant Water Hose N53 Petrol 7599570

€32.95

Part no. 99610668552

Porsche Boxster 986 Cooling System Beather Pipe Hose Line 99610668552

€23.95

Part no. 1K0122085G

Audi A3 8P Water Coolant Cooling System Hose Pipe Line 2.0 TFSI 1K0122085G

€28.95

Part no. 4K0819342J

Audi A6 C8 Engine Coolant Pipe Line Heating Hose 2.0 TFSI Hybrid 4K0819342J

€66.95

Part no. 06K121492F

Audi S3 8V VW Golf Mk7 Cooling Water Hose Coolant Pipe Line 2.0 TFSI 06K121492F

€23.95

Part no. A2045018282

Coolant Hose Mercedes W204 M271 Right Radiator Hose To Oil Cooler A2045018282

€23.95

Part no. A6398300416

Water Pipe Mercedes Vito W639 Cooling Radiator Coolant Hose Line A6398300416

€23.95

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