Cooling system hoses and lines
More informationAt 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.
Make
Category
Condition
In Stock
Price

Part no. 06D121111G
Audi A4 B7 Coolant Regulator Thermostat Housing Pipe 2.0 TFSI BWE 06D121111G
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 03G121096
Audi A4 B8 2.0 TDI Water Hose Radiator Coolant Pipe Line 03G121096
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 03C121497F
Audi A1 8X Water Pipe Hose Line Engine Cooling Coolant Unit Hose 03C121497F
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

Part no. 04C133320F
Audi A1 8X Fuel Injection Line Pressure Pipe Rail Injector 1.0 TFSI 04C133320F
€47.95
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 04L121064AE
Volkswagen Seat Skoda Audi 2.0 TDI Water Coolant Pipe Hose Line 04L121064AE
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 04L121065AJ
Volkswagen Seat Skoda Audi 2.0 TDI Water Coolant Pipe Hose Line 04L121065AJ
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 057121598L
Audi Q7 4L 4.2 TDI Alternator Turbo Coolant Pipe Hose Right O/S 057121598L
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

Part no. 06E121044D
Audi S4 B8 Engine Coolant Pipe Water Hose Line 3.0 TFSI CAKA 06E121044D
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00

Part no. 059122445F
Audi Q7 Q8 4M 3.0 TDI Engine Coolant Hose Line Tube Pipe 059122445F
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 06B121070H
Audi A4 B7 1.8 T BFB Coolant Hose Line Tube Pipe 06B121070H
Promo price
€51.95
€44.16
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 079121070CK
Coolant Pipe Audi A6 C7 S7 4G 4.0 TFSI Water Hose Line 079121070CK
Promo price
€37.95
€32.26
Free delivery - Tue, Dec 02
If paid before 14:00

Part no. 8E0121049AC
Audi A4 B7 Water Hose Cooling Radiator Coolant Pipe Line 2.0 Diesel 8E0121049L
€32.95
Free delivery - Tue, Dec 02
If paid before 14:00

Part no. 04L121157
Audi A4 B8 A6 C7 Water Coolant Pipe Hose Line Tube Right O/S 2.0 TDI 04L121157
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 079121137F
Audi S5 8T Cooling Coolant System Flange Rear Right O/S 079121137F
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 1K0122073FS
Volkswagen Audi Seat Skoda Water Hose Radiator Coolant Pipe Line 1K0122073FS
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 038121086M
Audi A4 B7 Water Cooling Coolant Pipe Hose Line 2.0 TDI 038121086M
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 8K0819332J
Audi A5 8F 2.0 TDI Water Hose Cooling Radiator Coolant Pipe Line 8K0819332J
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

Part no. 04L121026AF
Audi Q2 GA Diesel Thermostat Coolant Regulator Connector Pipe Hose 04L121026AF
€28.95
Free delivery - Tue, Dec 02
If paid before 14:00

-40%
Part no. 079121065M
Audi A4 B6 4.2 Petrol Coolant Pipe Cooler Water Hose 079121065M
Promo price
€56.95
€34.17
Free delivery - Tue, Dec 02
If paid before 14:00

Part no. 8K0122293B
Audi A4 B8 Q5 8R Water Cooling Coolant Flange Pipe Hose 2.0 TDI 8K0122293B
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 03C121065L
Audi A1 8X Petrol Water Coolant Hose Pipe 03C121065L
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 8J0121109A
Audi TT 8J 2.0 TFSI Water Hose Cooling Coolant Radiator Pipe Line 8J0121109A
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 057121075AF
Audi Q7 4L 4.2 TDI Water Coolant Pipe Hose Tube Line 057121075
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 02
If paid before 14:00

Part no. 04L121065CR
Water Hose Audi A3 8V Skoda Octavia IV 1.6 TDI Coolant Line Pipe 04L121065CR
€47.95
Free delivery - Tue, Dec 02
If paid before 14:00

Part no. 8W0819332E
Audi A4 S4 B9 3.0 TFSI Water Hose Cooling Engine Coolant Pipe Line 8W0819332E
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00

Part no. 4G0122101B
Audi A6 C7 3.0 TDI Diesel Radiator Upper Hose Line Pipe Left N/S 4G0122101B
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 079121083H
Audi A7 4G 4.0 TFSI Coolant Hose Engine Water Pipe Front Left N/S 079121083H
Promo price
€37.95
€32.26
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 057121083S
Audi A8 D4 Water Cooling Coolant Pipe Hose Line Tube 4.2 TDI Diesel 057121083S
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 8K0819857B
Audi A5 8T Water Pipe Hose Line Engine Cooling Coolant Unit Hose 8K0819857B
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 4E0121082K
Audi S8 D3 Engine Cooling Radiator Coolant Water Hose Pipe Line 4E0121082K
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 06K121075AR
Coolant Pipe Audi Q3 8U VW Beetle Cabrio Water Cooling Hose 06K121075AR
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

Part no. 06D121497A
Audi A4 B7 Turbocharger Water Coolant Pipe Hose Line 2.0 TFSI 06D121497A
€28.95
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 06M121085H
Audi A4 S4 B9 VW Touareg Water Coolant Pipe Hose Line 06M121085H
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 8E0121101C
Audi A4 B7 1.9 TDI Water Pipe Engine Cooling Radiator Coolant Hose 8E0121101C
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 8K0121101M
Water Pipe Audi A4 B8 A5 8T Q5 8R 2.0 TFSI Coolant Hose Line 8K0121101M
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 03L121157AH
Audi A5 S5 8F 2.0 TDI Water Hose Cooling Radiator Coolant Pipe Line 03L121157AH
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 04L121131AB
Audi A3 8V 2.0 TDI DGCA Coolant Water Flange Housing Hose Line 04L121131AB
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 1K0122051AE
Audi A4 B7 Water Hose Cooling Coolant Radiator Pipe Line 1K0122051AE
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

Part no. 06D121065L
Audi A4 B7 Water Coolant Pipe Hose Line 2.0 TFSI 06D121065L
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 8K0121055E
Audi A5 8T Water Hose Cooling Coolant Radiator Pipe Line Diesel 8K0121055E
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 06A121065DP
Audi A3 8P 1.6 MPI Water Pipe Coolant Supply Metal Hose 06A121065DP
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 1K0122101CK
Audi Q3 8U Water Hose Cooling Radiator Coolant Pipe Line 1K0122101CK
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

Part no. 8W0122055BN
Audi A4 B9 A5 F5 Coolant Pipe Radiator Hose Line Tube 2.0 Petrol 8W0122055BN
€28.95
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 1K0122101CC
Audi A4 B7 Water Hose Cooling Coolant Radiator Pipe Line 1K0122101CC
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

Part no. 06D121132A
Audi A4 B7 Water Coolant Flange Pipe Hose Line 2.0 TFSI 06D121133C
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 04E122157H
Turbocharger Cooling Line VW Golf MK7 Audi A3 8V 1.4 TSI Water Pipe 04E122157H
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 03C121497D
Audi A3 8P Water Pipe Hose Line Engine Cooling Coolant Unit Hose 03C121497D
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 7L8121065K
Audi Q7 4L 4.2 TDI Water Coolant Pipe Hose Line 7L8121070G
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 06H121057E
Audi A5 8T Water Hose Cooling Coolant Radiator Pipe Line 06H121057E
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 7L8121058C
Audi Q7 4L 4.2 TDI Water Coolant Pipe Hose Line 7L8121058C
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 06F121065J
Audi A3 8P TT 8J VW Golf MK5 Coolant Water Pipe Hose Line 2.0 TFSI 06F121065J
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 8K0145673AM
Audi A5 8T 2.0 CNCD Petrol Intercooler Pipe Hose Line Tube 8K0145673AM
Promo price
€47.95
€40.76
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 057121057
Audi Q7 4L 4.2 TDI Water Coolant Pipe Hose Line 057121057
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 8W0145924P
Audi A4 B9 Water Hose Cooling Radiator Coolant Pipe Line 8W0145924P
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 6R0121447P
Audi A1 8X 1.2 TFSI CBZA Radiator Water Coolant Pipe Hose Line 6R0121447AJ
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

Part no. 04L121064T-1
Audi Seat Volkswagen Skoda Engine Coolant Pipe Hose Line 04L121064T
€28.95
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 059131425A
Audi Q5 8R Water Cooling Coolant Pipe Line Connector Bracket 059131425A
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 079133240AR
Audi S7 4G8 Vacuum Solenoid Coolant Line Tube Hose Pipe 4.0 TFSI 079133240AH
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 04L121070AB
Audi Q3 8U 2.0 TDI DFUA Diesel Water Coolant Hose Pipe Tube Line 04L121070AB
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 03C121070D
Audi A3 8P Water Pipe Hose Line Engine Cooling Coolant Unit Hose 03C121070D
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 1K0121063R
Audi A3 8P 1.4 TFSI CAXC Coolant Hose Line Tube Pipe 1K0121063R
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 057121597M
Audi Q7 4L 4.2 TDI Diesel Turbocharger Coolant Pipe Hose Right O/S 057121597M
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 02
If paid before 14:00

Part no. 8K0121081BG
Audi A4 B8 A5 8T 3.0 TDI Rear Coolant Water Breather Pipe Line Hose 8K0121081BG
€37.95
Free delivery - Tue, Dec 02
If paid before 14:00

Part no. 4H0121485AA
Audi A8 D4 3.0 TDI Diesel Engine Water Coolant Pipe Hose Line 4H0121485AA
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 05L122157AS
Audi A4 B9 A5 F5 Water Cooling Coolant Pipe Hose Line 2.0 TDI 05L122157AS
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 05L122157CG
Audi A4 B9 A5 F5 Engine Cooling Coolant Pipe Line Hose 2.0 TDI 05L122157CG
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

Part no. 8K0121081BJ
Audi A4 B8 2.0 TDI Radiator Water Coolant Pipe Hose Tube Line 8K0121081BJ
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00

Part no. 8K0819374Q
Audi A5 8T Water Hose Cooling Radiator Coolant Pipe Line 8K0819374Q
€32.95
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 8R0121049J
Audi Q5 8R 2.0 TDI Coolant Water Hose Cooling Unit Line Tube Pipe 8R0121049J
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 059121399
Coolant Hose Audi A6 C6 A4 B7 Q7 4L Diesel Left N/S Pipe Line Tube 059121399
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 8K0122101G
Audi A5 8T Heater Water Cooling Coolant Pipe Hose Line 8K0122101G
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 079121085N
Audi S7 4G8 Coolant Pipe 4.0 TFSI Petrol Right O/S Cooler Water Hose 079121085N
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 02
If paid before 14:00

Part no. 8Y0121103
Audi RS3 8Y 2.5 TFSI Engine Water Cooling Pipe Hose Outer Left N/S 8Y0121103
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 8K0819342J
Audi A5 8T 2.0 TDI Coolant Water Hose Line Cooling Tube Pipe 8K0819342J
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 4G2819350K
Audi A7 4G Heater Radiator Hose Line Pipe 4G2819350K
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 02
If paid before 14:00

Part no. 5Q0122101CK
Audi A3 8V 1.6 Diesel Engine Coolant Hose Line Tube Pipe Right O/S 5Q0122101CK
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00

Part no. 06L133054
Audi A3 8Y Quick Coupling Coolant Flange Air Intake Hose Line Petrol 06L133054
€28.95
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 038121071S
Audi A4 B7 1.9 TDI Water Hose Cooling Coolant Radiator Pipe Line 038121071S
Promo price
€42.95
€36.51
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 04L122157AB
Audi A4 B9 2.0 TDI DETA Diesel Water Coolant Hose Line Pipe Tube 04L122157AB
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 8W0121400B
Audi A4 B9 Oil Coolant Hose Pipe Line Tube 8W0121400B
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 06D121085
Audi A4 B7 2.0 TFSI BGB Turbo Water Coolant Hose Line Tube Pipe 06D121085
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

Part no. 8R0122101S
Audi Q5 8R Water Coolant Pipe Hose Line 8R0122101S
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00

-40%
Part no. 80A121400B
Audi Q5 FY Water Hose Cooling Coolant Radiator Pipe Line 80A121400B
Promo price
€47.95
€28.77
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 06D121071R
Audi A4 B7 2.0 TFSI BGB Water Coolant Hose Tube Line Pipe 06D121071R
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 8K0121081Q
Audi A4 B8 A5 8T Radiator Water Coolant Pipe Hose Line 2.0 TFSI CDNC 8K0121081AH
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 5N0122101T
Audi Q3 8U Water Hose Cooling Coolant Radiator Pipe Line 5N0122101T
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 03C121469D
Audi A1 8X Turbo Water Coolant Hose Line Return Tube Pipe 03C121469D
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 06H121065D
Audi A5 8T 2.0 TFSI Water Hose Cooling Radiator Coolant Pipe Line 06H121065D
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 02
If paid before 14:00

Part no. 5Q0121070BC
Audi Q3 8U Water Hose Engine Coolant Cooling Pipe Line 2.0 TDI 5Q0121070BC
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 03C121497C
Audi A1 8X Turbocharger Water Feed Hose Cooling Coolant Pipe Line 03C121497C
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 06A121065CB
Audi A3 8P Coolant Hose Water Pipe Cooling Line 1.6 Petrol 06A121065CB
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 8K0819376F
Audi A4 B8 Q5 8R A5 8T Water Coolant Hose Pipe Line TFSI Petrol 8K0819376F
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 8W0122101H
Audi A4 B9 2.0 TDI Diesel Coolant Water Hose Line Tube Pipe 8W0122101H
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 04L121026R-1
Audi A5 8T 2.0 TDI CNHA Thermostat Housing Pipe Hose Line Tube 04L121026R
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 06H121057G
Audi A4 B8 A5 8T Water Hose Cooling Coolant Radiator Pipe Line 06H121057G
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 057121163C
Audi A8 D4 Q7 4L Engine Water Coolant Hose Pipe Line 4.2 TDI V8 057121163C
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 8W0819334F
Audi A4 B9 35 TFSI Water Hose Cooling Radiator Coolant Pipe Line 8W0819334F
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 02
If paid before 14:00

-5%
Part no. 04L121071H
Audi A6 C7 Q5 8R Water Coolant Hose Pipe Tube Line 2.0 TDI DDDA 04L121071H
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00

-15%
Part no. 5Q0122101GH
Audi A3 8V 35 TDI DFGA Water Coolant Hose Line Pipe Tube 5Q0122101GH
Promo price
€47.95
€40.76
Free delivery - Tue, Dec 02
If paid before 14:00

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 .