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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Audi A6 C6 Water Hose Coolant Cooling Tube Pipe Line 4F0121055J

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Audi Q3 8U Quick Release Coolant Hose Tube Line Pipe 5N0121049Q

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Audi Q5 FY Cooling Coolant Hose Pipe Line 2.0 TFSI 06L121492M

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Audi A4 B8 A5 8T 3.0 TDI Rear Coolant Water Breather Pipe Line Hose 8K0121081BG

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Audi TT 8J 1.8 2.0 TFSI Petrol Engine Water Coolant Pipe Hose Line 3C0122157FH

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Audi A4 B7 Water Hose Cooling Radiator Coolant Pipe Line 8E0121049N

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Audi A4 B9 Water Hose Cooling Coolant Radiator Pipe Line 8W0122101BH

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

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Audi Q5 8R Expansion Bottle Tank Radiator Hose Line Tube Pipe 8R0121081M

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Audi A3 8V 2.0 TFSI Water Hose Engine Coolant Cooling Pipe Line 5Q0121070BR

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Audi Q5 FY 2.0 TFSI Engine Water Coolant Pipe Hose Line 80A819370B

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Audi RS3 8Y 2.5 TFSI Engine Water Cooling Pipe Hose Outer Left N/S 8Y0121103

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Part no. 8V0122157

Audi RS3 8Y 2.5 TFSI Engine Water Cooling Pipe Hose Line Tube Center 8V0122157

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Part no. 4G0122101P

Audi RS6 C7 Petrol Radiator Upper Hose Line Pipe Left N/S 4.0 TFSI 4G0122101P

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Audi A3 8P 1.6 MPI BSE Coolant Flange Pipe Hose Line Tube 1K0121087E

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Volkswagen Audi A3 8V Seat Petrol Water Coolant Pipe Hose Line 5Q0121049AD

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Part no. 1J0122109AQ

Audi TT 8N 1.8 T AUQ Cooler Water Hose Line Tube Pipe 1J0122109AQ

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Audi A8L 4H Expansion Bottle Tank Radiator Hose Line Tube Pipe 4H0121081AB

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Audi A3 8Y Quick Coupling Coolant Flange Air Intake Hose Line Petrol 06L133054

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Part no. 06K121497AM

Audi S3 8V VW Golf Mk7 Cooling Water Hose Coolant Pipe Line 2.0 TFSI 06K121497AM

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Part no. 06B121070H

Audi A4 B7 1.8 T BFB Coolant Hose Line Tube Pipe 06B121070H

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Part no. 7L6122109E

Porsche Cayenne 9PA Audi Q7 4L Water Hose Cooling Radiator Pipe 7L6122109E

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Part no. 06E121045Q

Audi A4 S4 B8 3.0 TFSI Water Hose Radiator Coolant Pipe Line Tube 06E121045Q

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Part no. 4G0122109AN

Audi A6 C7 A7 4G Water Coolant Pipe Hose Line 1.8 2.0 TFSI 4G0122109AN

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Part no. 06E121045AA

Audi A4 S4 B8 S5 8T A6 C7 Engine Coolant Hose Tube Line Pipe 06E121045AA

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Part no. 079121137F

Audi S5 8T Cooling Coolant System Flange Rear Right O/S 079121137F

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Part no. 3AA122073A

Audi TT 8J Engine Coolant Hose Pipe Line Tube Quick Release Coupling 3AA122073A

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Part no. 1K0122073FS

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

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Part no. 4D0133335

Audi A4 B9 A5 8T F5 Radiator Bottom Coolant Closure Cap Flange 4D0133335

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Part no. 1K0121049CH

Audi A3 8P Water Coolant Pipe Hose Line 1.4 TFSI CAXC 1K0121049CH

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Part no. 06A121065BQ

Audi S3 TT 8N 1.8T Water Pipe Coolant Supply Metal Hose 06A121065BQ

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Part no. 06L121492C

Audi A4 B8 Q5 A8 Coolant Hose Pipe 06L121492C

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Part no. 8R0121081C

Audi Q5 8R 3.0 TDI Water Hose Cooling Radiator Coolant Pipe Line 8R0121081C

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Part no. 8E0121044N

Audi A4 S Line Radiator Coolant Hose Line Pipe Tube Water Cooler 8E0121044N

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Audi A4 B7 1.8 T BFB Petrol Engine Coolant Return Pipe Hose Line 06B121065

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Audi S8 D3 Engine Cooling Radiator Coolant Water Hose Pipe Line 4E0121082K

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

-15%

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

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

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Audi A4 B8 A5 8T A6 C6 Water Coolant Cooling Pipe Hose Line 2.0 TDI 03L121071

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Part no. 5WA122051R

Audi A3 8Y Coolant Water Hose Line Tube Pipe 5WA122051R

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Part no. 4F0819373AF

Audi A6 C6 Coolant Water Heater Pipe Hose Line 4F2819371AC 4F0819373AF

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Audi A3 8V Water Hose Engine Coolant Cooling Pipe Line 5Q0121070AP

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Part no. 5WA122109B

Audi S3 8Y VW Golf MK8 Water Coolant Pipe Hose Line 2.0 TFSI 5WA122109B

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Part no. 8K0819337A

Audi A4 B7 2.0 TDI BRE Diesel Water Coolant Pipe Hose Line Tube 8K0819337A

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Part no. 04L121131AB

Audi A3 8V 2.0 TDI DGCA Coolant Water Flange Housing Hose Line 04L121131AB

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Part no. 8K0819345H

Audi A4 B8 Coolant Cooling Engine Pipe Hose Line Radiator 8K0819345H

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Part no. 4G0145922C

Audi A6 C7 3.0 TFSI Water Coolant Pipe Hose Line 4G0145922C

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Part no. 4G0122101G

Audi A6 C7 2.0 TDI CGLC Water Coolant Hose Line Tube Pipe 4G0122101G

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Part no. 3C0122101EM

Audi A3 8P 2.0 TDI Water Hose Radiator Coolant Pipe Line 3C0122101EM

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Audi A6 C6 FL Coolant Water Quick Connect Heater Pipe Hose 4F0121101

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Part no. 059121065FL

Audi A4 B9 Q7 4M 3.0 Diesel Coolant Water Hose Line Tube Pipe 059121065FL

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Volkswagen SEAT Skoda Audi Water Coolant Pipe Line Hose 3C0122101FS

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Part no. 8E0145738D

Audi A4 B7 3.0 TDI BKN Turbo Intercooler Pipe Hose Line Tube 8E0145738D

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Part no. 5N0121070AC

Audi Q3 8U Water Cooling Coolant Pipe Hose Line 2.0 TDI Diesel 5N0121070AC

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Part no. 1K0121086AC

Coolant Hose Audi A3 8P VW Golf 5 Seat Leon 2 Diesel 2.0 Tdi BMN 1K0121086AC

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Audi Q3 8U Coolant Hose Pipe Line Tube Quick Release Coupling 5N0122051CD

-15%

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Audi Q3 8U Coolant Hose Pipe Line Tube Quick Release Coupling 5N0122051CD

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Part no. 1K0122051HD

Audi A3 8P VW Scirocco Mk3 2.0 TDI Diesel Radiator Coolant Hose Pipe 1K0122051HD

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Part no. 5WA121070C

Audi A3 8Y Coolant Water Hose Line Tube Pipe 5WA121070C

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Part no. 4F0121101G

Audi A6 C6 Water Hose Cooling Radiator Coolant Pipe Line 4F0121101G

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Part no. 8K0121109K

Audi A5 8T Water Hose Cooling Coolant Radiator Pipe Line 8K0121109K

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Part no. 07K121499K

Audi RS3 8Y Water Pipe Engine Cooling Coolant Hose Line 2.5 TFSI 07K121499K

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Part no. 079133240AR

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

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Part no. 04L121064T-1

Audi Seat Volkswagen Skoda Engine Coolant Pipe Hose Line 04L121064T

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Part no. 059121086BD

Audi A4 B9 Q7 4M 3.0 Diesel Engine Coolant Water Pipe Hose Line Tube 059121086BD

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Part no. 7H0819196

Volkswagen Transporter T5 Cooling Water Hose Coolant Pipe Line 2.5 TDI 7H0819196

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Part no. 8K0121109AA

Water Hose Audi A5 8T A4 B8 Cooling Coolant Radiator Pipe Line 8K0121109AA

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Audi A4 B8 A5 8T Engine Breather Hose Tube Pipe Line 8K0121081AT

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Part no. 079121085N

Audi S7 4G8 Coolant Pipe 4.0 TFSI Petrol Right O/S Cooler Water Hose 079121085N

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Audi Q7 4L VW Touareg Engine Coolant Hose Pipe Tube Line 7L6121058AR

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Audi Q7 4L TFSI Water Hose Cooling Coolant Radiator Pipe Line 7L6122109D

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Audi S5 8T Water Hose Overflow Tank Coolant Pipe Line 4.2 TFSI 8K0121081T

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

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Audi A5 8T 2.0 TDI Coolant Water Hose Line Cooling Tube Pipe 8K0819342J

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Audi S3 8Y VW Golf Mk8 Water Cooling Coolant Radiator Pipe 2.0 TFSI 5WA145838

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Audi A5 8T Heater Water Cooling Coolant Pipe Hose Line 8K0122101G

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Audi A7 4G8 Cooling Hose Coolant Pipe Line 059121086BG

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

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Audi A4 B7 1.9 TDI Water Coolant Pipe Hose Line Tube 038121065BH

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Audi Q7 4L Engine Coolant Hose Tube Line Pipe Quick Release Coupling 7L6122051AC

-15%

Part no. 7L6122051AC

Audi Q7 4L Engine Coolant Hose Tube Line Pipe Quick Release Coupling 7L6122051AC

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Audi A3 8P Water Hose Cooling Radiator Coolant Pipe Line 1.6 Petrol 06A103212A

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Audi A4 B7 2.0 TDI Air Conditioning A/C Refrigerant Pipe Hose Line 8E0260707BK

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Part no. 5N0122101T

Audi Q3 8U Water Hose Cooling Coolant Radiator Pipe Line 5N0122101T

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Part no. 4G0122055H

Audi A7 4G8 3.0 TDI CRTE Radiator Coolant Water Pipe Hose Line Tube 4G0122055H

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Part no. 03G121157B

Audi A4 B7 A6 Avant Coolant Hose PIpe Line 03G121157B

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Part no. 8R0122101S

Audi Q5 8R Water Coolant Pipe Hose Line 8R0122101S

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

-15%

Part no. 5Q0122101GH

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

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Part no. 4M0611931BF

Audi Q7 4M Volkswagen VW Touareg CR7 Coolant Hose Pipe 4M0611931BF

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Part no. 5WA122101AM

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

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Part no. 8R0121036A

Audi Q5 8R Heater Water Cooling Coolant Pipe Hose Line 8R0121036A

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Audi A3 8P 1.8 2.0 TFSI Petrol Radiator Coolant Pipe Hose Line 1K0122051FD

-5%

Part no. 1K0122051FD

Audi A3 8P 1.8 2.0 TFSI Petrol Radiator Coolant Pipe Hose Line 1K0122051FD

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Part no. 03L121157AK

Audi A4 S4 8K A5 S5 8F Engine Water Coolant Hose Tube Pipe Line 03L121157AK

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Part no. 8K0819334AM

Audi A4 B8 2.0 TFSI CDNC Petrol Engine Coolant Hose Line Tube 8K0819334AM

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Part no. 06F121492L-1

Audi TT 8J 2.0 TFSI Turbo Coolant Return Pipe Hose Line 06F121492L

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Part no. 8W0145670G

Audi A4 B9 A5 F5 Water Coolant Hose Pipe Line 2.0 TDI 8W0145930H 8W0145670G

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Part no. 4K0819337S

Audi A6 C8 3.0 TFSI DLZA Engine Coolant Pipe Hose Line 4K0819337S

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Part no. 4G0121071N-1

Audi A6 C7 A7 4G Water Coolant Hose Line Tube Pipe 3.0 TDI 4G0121071N

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Part no. 4F0145731S

Audi A6 C6 Turbo Coolant Hose Line Tube Pressure Pipe 2.0 Petrol 4F0145731S

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Part no. 06E121045AN

Audi S4 B8 S5 8T Water Hose Radiator Coolant Pipe Line Tube 3.0 TFSI 06E121045AN

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Audi A7 4G Water Hose Cooling Coolant Pipe Line 4G0819377AA

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