What is the purpose of the cooling system hose?

It is a flexible or rigid element connecting the components of the cooling system, which allows coolant to flow between the engine, radiator and water pump.

What is the difference between a silicone hose and a rubber hose?

Silicone hoses are more resistant to high temperatures (up to 200°C), making them ideal for sports or tuning applications. Rubber hoses are standard on most passenger cars and offer good flexibility.

How do you know if your cooling hose needs replacing?

Symptoms include leaks, cracks, flattening, or soft material. It's also worth looking for signs of corrosion at the joints.

Are the cooling system hoses universal?

No. Each car model has hoses with specific diameters, lengths, and bend angles – so compatibility with a specific engine or OEM designation is important.

Do cooling system hoses affect engine performance?

Yes, indirectly. An efficient cooling system maintains optimal operating temperatures, which translates into stable power and lower fuel consumption.

How often should you replace your cooling system hoses?

It is recommended to inspect it every 40,000–60,000 km and replace it approximately every 5 years, especially if there are visible signs of wear.

Where to buy cooling system hoses in good condition?

It is best to buy from a trusted store like Global Parts, where each part undergoes quality control and is described in terms of its fit for specific vehicle models.

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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Products in promotion

Part no. 06M121085H

Audi A4 S4 B9 VW Touareg Water Coolant Pipe Hose Line 06M121085H

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8W0122293AE

Audi A4 B9 2.0 TDI DETA Water Coolant Hose Line Tube Pipe 8W0122293AE

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 04L121065CR

Water Hose Audi A3 8V Skoda Octavia IV 1.6 TDI Coolant Line Pipe 04L121065CR

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6C0122109E

Audi A1 8X 1.6 TDI Diesel Engine Water Coolant Pipe Hose Line Tube 6C0122109E

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 4G0121049AG

Audi A6 C7 2.0 TDI CGLC Water Radiator Coolant Pipe Hose Tube Line 4G0121049AG

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 5WA122101AM

Audi S3 8Y 2.0 TFSI Coolant Water Hose Line Tube Pipe Connector 5WA122101AM

PLN 237.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 06F121132G

Audi S3 8P 2.0 TFSI CDLA Coolant Flange Pipe Hose Line 06F121132G

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8W0122101AA

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

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8K0121055N

Audi A4 B8 A5 8T 1.8 2.0 TFSI Petrol Engine Water Coolant Pipe Hose 8K0121055N

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 4G0122293CA

Audi A4 B8 A6 C7 2.0 TDI Water Coolant Pipe Hose Line Tube 4G0122293CA

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8K1819376L

Audi A4 B8 8K A5 8T Engine Water Coolant Pipe Hose Line Diesel 8K1819376L

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 1K0122101CC

Audi A4 B7 Water Hose Cooling Coolant Radiator Pipe Line 1K0122101CC

PLN 56.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 06A121065DP

Audi A3 8P 1.6 MPI Water Pipe Coolant Supply Metal Hose 06A121065DP

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 3Q0121070AG

Audi Q2 GA 2.0 TDI Water Hose Cooling Radiator Coolant Pipe Line 3Q0121070AG

PLN 113.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 5Q0121619D

Audi A3 8V Water Hose Cooling Coolant Radiator Pipe Line 5Q0121619D

PLN 284.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 04L121065

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

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8N0121051E

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

PLN 75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8K1819350AT

Audi A5 8F Water Coolant Pipe Hose Line Tube 8K1819350AT

PLN 70.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 057121163C

Audi A8 D4 Q7 4L Engine Water Coolant Hose Pipe Line 4.2 TDI V8 057121163C

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 06K121075P

Audi A3 S3 8V Water Hose Radiator Coolant Pipe Line 2.0 Petrol 06K121075P

PLN 75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 06D121085

Audi A4 B7 2.0 TFSI BGB Turbo Water Coolant Hose Line Tube Pipe 06D121085

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8K0121055AC

Coolant Pipe Audi A4 B8 A5 8T 2.0 TDI Water Cooling Line 8K0121055AC

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7L8121058

Audi Q7 4L 4.2 TDI Coolant Hose Radiator Pipe Water Cooling Line 7L8121058

PLN 75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 079121065P

Audi A4 B7 4.2 V8 Petrol Coolant Pipe Cooler Water Hose 079121065P

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 5Q0122101BP

Audi A3 8V 2.0 TDI Water Hose Radiator Coolant Pipe Line Diesel 5Q0122101BP

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 1K0121070BD

Audi TT 8J Water Hose Cooling Tank Coolant Pipe Line 1K0121070BD

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 06L121085AF

Audi Q5 FY A4 B9 8W 2.0 TFSI Petrol Engine Water Coolant Pipe Hose 06L121085AF

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 04L122157BE

Audi A5 8T 2.0 TDI CNHA Water Coolant Pipe Tube Line Hose 04L122157BE

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 06H121085C-1

Audi A4 B8 Water Hose Cooling Radiator Coolant Pipe Line 1.8 TFSI 06H121085C

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 059121071DE

Audi A4 B9 A5 8T Radiator Coolant Water Hose Line Tube Pipe 3.0 TDI 059121071DE

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 059121511G

Audi A5 8T Coolant Pipe Water Hose Cooling Line 2.7 TDI Diesel 059121511G

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8K0819376F

Audi A4 B8 Q5 8R A5 8T Water Coolant Hose Pipe Line TFSI Petrol 8K0819376F

PLN 75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 03L122157M

Audi A4 B8 2.0 TDI Water Hose Radiator Coolant Pipe Line 03L122157M

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 1K0121096BH

Audi A3 8P Water Hose Cooling Radiator Coolant Pipe Line 1K0121096BH

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8K0121049M

Water Pipe Audi A4 B8 A5 8T 2.0 TFSI Coolant Hose Line 8K0121049M

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 06J121075F

Audi TT 8J A3 8P Petrol Coolant Hose Diesel Water Pipe Line Tube 06J121075F

PLN 75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 04L121026AF

Audi Q2 GA Diesel Thermostat Coolant Regulator Connector Pipe Hose 04L121026AF

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 5N0121064H

Audi Q3 8U Volkswagen Tiguan 5N Coolant Hose Metal Pipe Radiator 5N0121064H

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 079121081B

Audi S7 4G 4.0 TFSI Coolant Hose Engine Water Pipe Front Upper 079121081B

PLN 113.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 5Q0122101GH

Audi A3 8V 35 TDI DFGA Water Coolant Hose Line Pipe Tube 5Q0122101GH

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 04L122157AB

Audi A4 B9 2.0 TDI DETA Diesel Water Coolant Hose Line Pipe Tube 04L122157AB

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 059121075DJ

Audi Q7 4L Quattro Diesel 3.0 V6 TDI Engine Cooling Coolant Pipe 059121075DJ

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 6C0122101AM

Audi A1 8X 1.6 TDI Diesel Water Coolant Pipe Hose Cooling Line 6C0122101AM

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 04L121026R-1

Audi A5 8T 2.0 TDI CNHA Thermostat Housing Pipe Hose Line Tube 04L121026R

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 06M121075L

Audi A4 B9 A5 S5 F5 Water Hose Cooling Radiator Coolant Pipe 3.0 TFSI 06M121075L

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8R0121049J

Audi Q5 8R 2.0 TDI Coolant Water Hose Cooling Unit Line Tube Pipe 8R0121049J

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 4G0122101B

Audi A6 C7 3.0 TDI Diesel Radiator Upper Hose Line Pipe Left N/S 4G0122101B

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8K0819334BB

Audi A4 B8 2.0 TDI CNHC Water Coolant Hose Line Pipe 8K0819334BB

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 06M121071E

Audi SQ5 FY 3.0 TFSI Water Hose Cooling Radiator Coolant Pipe Line 06M121071E

PLN 1,187.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8K0819342L

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

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 07L121065J

Coolant Hose Audi S8 A8 D3 A6 C6 5.2 Petrol FSI Left N/S Water Pipe 07L121065J

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 5Q0122447AQ

Audi A3 8V Water Pipe Engine Cooling Radiator Coolant Hose 2.0 TDI 5Q0122447AQ

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 06D121132A

Audi A4 B7 Water Coolant Flange Pipe Hose Line 2.0 TFSI 06D121133C

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 05L122157AS

Audi A4 B9 A5 F5 Water Cooling Coolant Pipe Hose Line 2.0 TDI 05L122157AS

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 04L131525C

Audi A4 B9 A5 8T Q5 FY Intercooler Hose Pipe Line 04L131525C

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 5N0122073AC

Audi Q3 8U Water Hose Cooling Radiator Coolant Pipe Line 5N0122073AC

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 06D121065K

Audi A4 B7 2.0 TFSI BGB Coolant Hose Line Tube Pipe 06D121065K

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 079121065BN-1

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

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7L8121065K

Audi Q7 4L 4.2 TDI Water Coolant Pipe Hose Line 7L8121070G

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 1K0121157AG

VW Audi Seat Skoda 1.9 BXE TDI Diesel Water Hose Coolant Line 1K0121157AG

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 5Q0121070BC

Audi Q3 8U Water Hose Engine Coolant Cooling Pipe Line 2.0 TDI 5Q0121070BC

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 06E121083N

Audi A4 S4 B8 3.0 TFSI Water Hose Coolant Pipe Line Tube 06E121083N

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6C0122109A

Audi A1 8X 1.4 TFSI Engine Water Coolant Pipe Hose Line Tube 6C0122109A

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8K0121081BJ

Audi A4 B8 2.0 TDI Radiator Water Coolant Pipe Hose Tube Line 8K0121081BJ

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 03L121132AC

Audi A4 B8 A5 8T 2.0 TDI Water Coolant Thermostat Housing 03L121132AC

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 03L121065K

Audi A4 B8 A5 8T 2.0 TDI Hose Thermostat Coolant Pipe Line 03L121065K

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8K0819377C

Audi A5 8T Radiator Water Cooling Coolant Pipe Hose Line Diesel 8K0819377C

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 06H121057G

Audi A4 B8 A5 8T Water Hose Cooling Coolant Radiator Pipe Line 06H121057G

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 06K121075AR

Coolant Pipe Audi Q3 8U VW Beetle Cabrio Water Cooling Hose 06K121075AR

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8R0122101S

Audi Q5 8R Water Coolant Pipe Hose Line 8R0122101S

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 1K0122101DK

Audi TT 8J 2.0 TFSI BWA Upper Radiator Coolant Hose Line Pipe Tube 1K0122101DK

PLN 123.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 03C103465AA

Audi A1 8X Water Pipe Hose Line Engine Cooling Coolant Unit Hose 03C103465AA

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 059121737AP

Audi A4 B9 Q7 4M Q8 Mk1 3.0 Diesel Coolant Control Regulating Valve 059121737AP

PLN 275.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 06E121083G

Audi S4 B8 S5 8T Water Hose Coolant Pipe Line Tube 3.0 TFSI 06E121083G

PLN 113.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 04L121064E

Audi A3 8V VW Golf Mk7 Engine Water Coolant Pipe Hose Line Diesel 04L121064E

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 04L121070AB

Audi Q3 8U 2.0 TDI DFUA Diesel Water Coolant Hose Pipe Tube Line 04L121070AB

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 079133240AR

Audi S7 4G8 Vacuum Solenoid Coolant Line Tube Hose Pipe 4.0 TFSI 079133240AH

PLN 75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 1K0122101CK

Audi Q3 8U Water Hose Cooling Radiator Coolant Pipe Line 1K0122101CK

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 1K0122109AL

Audi A5 8T Engine Water Coolant Pipe Cooling Hose Line 2.0 Petrol 1K0122109AL

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8W0122101H

Audi A4 B9 2.0 TDI Diesel Coolant Water Hose Line Tube Pipe 8W0122101H

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 04L122157BA

Audi A5 8T Heater Water Cooling Coolant Pipe Hose Line 04L122157BA

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8J0121124A

Audi RS3 8P Gearbox Oil Cooler Coolant Pipe Hose Line 2.5 TFSI CEPA 8J0121124A

PLN 184.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 1K0122063G

Audi S3 8P 2.0 TFSI CDLA Petrol Engine Water Coolant Pipe Hose Line 1K0122063G

PLN 100.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 4H0121485AA

Audi A8 D4 3.0 TDI Diesel Engine Water Coolant Pipe Hose Line 4H0121485AA

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8W0819332E

Audi A4 S4 B9 3.0 TFSI Water Hose Cooling Engine Coolant Pipe Line 8W0819332E

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 059131425A

Audi Q5 8R Water Cooling Coolant Pipe Line Connector Bracket 059131425A

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8K0121049AF

Audi A4 B8 2.0 TDI Water Coolant Hose Tube Line Pipe 8K0121049AF

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 4G2819350K

Audi A7 4G Heater Radiator Hose Line Pipe 4G2819350K

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8K0145673AM

Audi A5 8T 2.0 CNCD Petrol Intercooler Pipe Hose Line Tube 8K0145673AM

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 4G0122445L

Audi A6 C7 A7 4G Coolant Cooling Pipe Hose Line Petrol Engine 4G0122445L

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 06E121044D

Audi S4 B8 Engine Coolant Pipe Water Hose Line 3.0 TFSI CAKA 06E121044D

PLN 75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 1K0122073FS

Volkswagen Audi Seat Skoda Water Hose Radiator Coolant Pipe Line 1K0122073FS

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 5Q012210GJ

Audi A3 8V Water Hose Cooling Radiator Coolant Pipe Line 5Q012210GJ

PLN 113.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 5Q0121109S

Audi A3 8V Water Coolant Engine Cooling Flange Pipe Hose Line 5Q0121109S

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 5Q0121064BB

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

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8K0819857B

Audi A5 8T Water Pipe Hose Line Engine Cooling Coolant Unit Hose 8K0819857B

PLN 161.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 1K0122063J

Audi TT 8J A3 8P Skoda Octavia II 2.0 TFSI Water Coolant Pipe Hose 1K0122063J

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 06D121111G

Audi A4 B7 Coolant Regulator Thermostat Housing Pipe 2.0 TFSI BWE 06D121111G

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 038121086M

Audi A4 B7 Water Cooling Coolant Pipe Hose Line 2.0 TDI 038121086M

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Showing 100-198 of 432 products

Flexible and rigid cooling hoses – durability and fit for popular models

Rubber and silicone hoses for cooling systems – temperature and pressure resistance

Cooling system hoses and lines are key components that enable coolant circulation between the radiator, water pump, thermostat, and engine. Their efficiency and tightness are essential for proper cooling system operation and preventing engine overheating. At Global Parts, you'll find a wide selection of used car parts., including cooling system hoses and pipes, ideal for BMW , Audi , Mercedes , Volkswagen , Mini and others .

What is the difference between flexible and rigid cooling system hoses?

Flexible cooling hoses made of EPDM rubber or silicone help compensate for engine vibrations and pressure changes. Rigid hoses (e.g., aluminum or PA12 plastic) are used where dimensional stability and resistance to high temperatures—up to 150–180°C —are required. Modern vehicles often use a combination of both types, ensuring optimal coolant flow and longer system life.

What are the functions of cooling system hoses and pipes ?

Cooling system hoses and lines play a key role in regulating engine operating temperature: Coolant Transport – Hoses and lines connect key components of the cooling system, allowing coolant to flow throughout the system. Overheating Prevention – By circulating the coolant, they maintain the proper operating temperature of the engine, preventing it from overheating. Adequate flexibility and tightness – The materials from which the lines and hoses are made ensure their resistance to high temperatures, pressure and the effects of coolant. Efficient cooling system hoses and lines are essential for the efficient operation of the entire cooling system.

Construction and technical parameters of cooling pipes

A typical cooling system hose consists of several layers: a protective outer layer, a reinforcing layer (reinforced with synthetic fiber), and an inner layer that is chemically resistant to coolants. The operating pressure of such hoses is typically 1–2 bar, and their peak strength can reach up to 5 bar . The use of appropriate materials prevents hose cracking during rapid temperature changes, especially in cars with turbocharged engines. Cooling system hoses, commonly known as radiator hoses, can be made of various materials – most commonly EPDM rubber or silicone, which can withstand temperatures from -40°C to as much as +150°C. High-performance vehicles, such as the BMW M series or Audi S-Line, use silicone hoses with a reinforced textile construction, ensuring longer life and resistance to operating pressures above 2 bar. Flexible hoses compensate for engine vibrations, while rigid sections (e.g., aluminum) ensure stability at high fluid flow rates.

Why is it worth taking care of cooling system hoses and pipes ?

Damaged or worn cooling system hoses and lines can lead to serious cooling system problems. Common symptoms include: Coolant Leak – Leaks in lines or hoses can lead to leaks and a drop in coolant level. Engine Overheating – Restricted coolant flow due to damaged hoses can lead to engine overheating. Noises and vibrations – Improper mounting or damaged hoses can cause vibrations and noises during system operation. At Global Parts, we offer original used cooling system hoses and lines that have undergone detailed quality tests, ensuring their durability and tightness.

Symptoms of damage and compatibility of cooling hoses - table

Fault symptom	Possible cause	Recommended action
Coolant level drop	Microleak in the pipe	Cooling system hose replacement
Engine overheating	Clogged hose or kink	Checking for patency, replacement
Vibration or gurgling	Loose cable connections	Tightening the clamps, checking the handles
Low engine operating temperature	Too much flow – no resistance	Thermostat operation check

How to choose the right cooling system hoses and pipes ?

When selecting cooling system hoses and lines, there are several key aspects to consider: Vehicle-specific fit – Every cooling system has its own specific technical requirements. At Global Parts, you'll find cooling system hoses and lines perfectly suited to BMW , Audi , Mercedes , Volkswagen , Mini , and more. Technical Condition – Make sure that the lines and hoses are free from cracks, bulges and other damage. Material resistance – Choose hoses and lines made of materials that are resistant to high temperatures and operating fluids.

Parts selection procedure

To select the correct cooling system hose, it's best to use the vehicle's VIN or the OEM part number. The Global Parts system automatically searches by engine code or part number, minimizing the risk of incorrect matching. This ensures that the hoses are fully compatible with the water pump, radiator, and thermostat, ensuring the entire system maintains its factory seal.

Why choose used cooling system hoses and pipes ?

Used car parts , such as cooling system hoses and lines, are a practical solution that allows you to save money while maintaining high quality. By choosing used cooling system hoses and lines, you gain: Lower costs – Used components are much cheaper than new ones, but offer equally high quality. Ecology – Recycling car parts supports environmental protection and reduces waste. A wide range – In our store you will find cooling system hoses and pipes for the most popular car brands.

How to take care of cooling system hoses and pipes ?

To ensure that cooling system hoses and lines function reliably for a long time, it is important to follow a few rules: Regularly check the condition of lines and hoses to prevent coolant leaks. Monitor the coolant level – a sudden drop may indicate a leak in the lines. Replace damaged or worn components in time to avoid more serious cooling system problems. If you need a replacement, you'll find the right used car parts at Global Parts that will restore full efficiency to your cooling system.

FAQ - Frequently asked questions about cooling system hoses and lines

Question	Answer
What is the purpose of the cooling system hose?	It is a flexible or rigid element connecting the components of the cooling system, which allows coolant to flow between the engine, radiator and water pump.
What is the difference between a silicone hose and a rubber hose?	Silicone hoses are more resistant to high temperatures (up to 200°C), making them ideal for sports or tuning applications. Rubber hoses are standard on most passenger cars and offer good flexibility.
How do you know if your cooling hose needs replacing?	Symptoms include leaks, cracks, flattening, or soft material. It's also worth looking for signs of corrosion at the joints.
Are the cooling system hoses universal?	No. Each car model has hoses with specific diameters, lengths, and bend angles – so compatibility with a specific engine or OEM designation is important.
Do cooling system hoses affect engine performance?	Yes, indirectly. An efficient cooling system maintains optimal operating temperatures, which translates into stable power and lower fuel consumption.
How often should you replace your cooling system hoses?	It is recommended to inspect it every 40,000–60,000 km and replace it approximately every 5 years, especially if there are visible signs of wear.
Where to buy cooling system hoses in good condition?	It is best to buy from a trusted store like Global Parts, where each part undergoes quality control and is described in terms of its fit for specific vehicle models.

Summary: Cooling System Hoses and Pipes at Global Parts Automotive Store

Cooling system hoses and lines are key components that ensure efficient coolant flow and maintain optimal engine operating temperatures. By maintaining their technical condition, you can avoid costly repairs and extend the engine's lifespan. The Global Parts automotive store invites you to browse our extensive selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , and more, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .

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