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.
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Subcategory
Condition
In Stock
Price
-5%
Part no. 03L121071C
Audi A4 B8 2.0 TDI Water Hose Radiator Coolant Pipe Line 03L121071C
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 5Q0816743D
Audi A3 8V VW Golf Mk7 Air Conditioning Hose A/C Pipe Line 5Q0816743D
€32.95
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 4K0145947E
Audi A6 C8 A7 4G Water Coolant Pipe Hose Line 50 TFSIe 4K0145947E
€56.95
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 06M121075L
Audi A4 B9 A5 S5 F5 Water Hose Cooling Radiator Coolant Pipe 3.0 TFSI 06M121075L
€23.95
Free delivery: Apr 16 – 21
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: Apr 16 – 21
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: Apr 16 – 21
If paid before 14:00
Part no. 4K0145050C
Audi A6 C8 Engine Water Coolant Pipe Hose Line 50 TFSIe 4K0145050C
€28.95
Free delivery: Apr 16 – 21
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: Apr 16 – 21
If paid before 14:00
-5%
Part no. 6R0121063
Audi A1 8X Water Pipe Hose Line Engine Cooling Coolant Unit Hose 6R0121063
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
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: Apr 16 – 21
If paid before 14:00
Part no. 8K1819350AT
Audi A5 8F Water Coolant Pipe Hose Line Tube 8K1819350AT
€28.95
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 06M145963D
Audi A5 S5 F5 Engine Coolant Return Hose Cooling Pipe 3.0 TFSI 06M145963D
€28.95
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 06A121065AP
Audi A3 8P Coolant Hose Water Pump Pipe Cooling Line 1.6 Petrol 06A121065AP
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 6C0122109A
Audi A1 8X 1.4 TFSI Engine Water Coolant Pipe Hose Line Tube 6C0122109A
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 5Q0121070AH
Audi A3 8V VW Golf Mk7 Water Coolant Pipe Hose Line Diesel 5Q0121070AH
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 03C121070L
Audi A3 8P Water Hose Radiator Coolant Pipe Line Petrol 03C121070L
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 07L121070Q
Audi S8 D3 Quattro 5.2 FSI V10 BSM Coolant Pipe Right Water Line 07L121070Q
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 07L121065J
Coolant Hose Audi S8 A8 D3 A6 C6 5.2 Petrol FSI Left N/S Water Pipe 07L121065J
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
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: Apr 16 – 21
If paid before 14:00
-15%
Part no. 6C0122073B
Cooling Line VW Polo 6C Audi A1 8X 1.6 TDI Water Coolant Pipe Hose 6C0122073B
Promo price
€28.95
€24.61
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 04L122157AQ
Audi A4 B9 A5 F5 Engine Coolant Pipe Hose 2.0 TDI Diesel 04L122157AQ
€37.95
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 04E122157AC
Audi A4 B9 Turbo Charger Coolant Pipe Hose Line Tube 1.4 TFSI 04E122157CA
€23.95
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 4G0121071N
Audi A7 4G8 3.0 TDI CDUC Diesel Water Coolant Hose Line Tube Pipe 4G0121071N
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 8K0819374D
Audi S4 B8 A5 8T Water Pipe Engine Cooling Coolant Hose Line 3.0 TFSI 8K0819374D
€23.95
Free delivery: Apr 16 – 21
If paid before 14:00
-15%
Part no. 8K0819374Q
Audi A5 8T Water Hose Cooling Radiator Coolant Pipe Line 8K0819374Q
Promo price
€32.95
€28.01
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 06E121065H
Audi A4 B7 A8 A6 Coolant Hose Pipe Line 06E121065H
€23.95
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 04L121070D
Audi A3 8V 2.0 TDI Diesel Water Coolant Hose Pipe Tube Line 04L121070D
€23.95
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 4H0121088AD
Audi A8 4H Expansion Bottle Tank Radiator Hose Line Tube Pipe 4H0121088AD
€28.95
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 8K0819332G
Audi A4 B8 2.0 TDI Water Hose Cooling Radiator Coolant Pipe Line 8K0819332G
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
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: Apr 16 – 21
If paid before 14:00
Part no. 5Q0122447AQ
Audi A3 8V Water Pipe Engine Cooling Radiator Coolant Hose 2.0 TDI 5Q0122447AQ
€23.95
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 4L0145738B
Audi Q7 4L 3.0 TDI Engine Coolant Water Pipe Hose Line 4L0145738B
€32.95
Free delivery: Apr 16 – 21
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: Apr 16 – 21
If paid before 14:00
Part no. 4K0819374R
Audi A6 C8 3.0 TDI Engine Coolant Pipe Water Hose Cooling Line Tube 4K0819374R
€23.95
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 5Q0122073AE
Audi Q3 8U Water Coolant Hose Tube Line Pipe 2.0 TDI DFTA Diesel 5Q0122073AE
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 04L122157BA
Audi A5 8T Heater Water Cooling Coolant Pipe Hose Line 04L122157BA
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 5Q0122101BL
Audi A3 8V 2.0 TDI Water Hose Radiator Coolant Pipe Line Diesel 5Q0122101BL
€23.95
Free delivery: Apr 16 – 21
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: Apr 16 – 21
If paid before 14:00
-5%
Part no. 06J133781BE
Audi TT 8J Water Hose Cooling Radiator Coolant Pipe Line 06J133781BE
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 06D121065J
Audi A4 B7 A6 C6 Coolant Hose Line Tube Pipe 2.0 TFSI 06D121065J
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 8K0145923B
Audi A4 S4 B8 A5 S5 8T Radiator Coolant Hose Tube Pipe Line 3.0 TFSI 8K0145923B
€23.95
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 3C0121157AA
Audi A3 8P Engine Water Coolant Pipe Hose Line 1.9 TDI 3C0121157AA
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
If paid before 14:00
-15%
Part no. 04L122157BC
Audi A5 8T Heater Water Cooling Coolant Pipe Hose Line 04L122157BC
Promo price
€32.95
€28.01
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 06A121069C
Audi TT 8N Water Coolant Hose Pipe Cooling Line 1.8T Petrol 06A121069C
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 06E121065N
Audi Q5 8R 3.0 TFSI Water Hose Cooling Coolant Pipe Line 06E121065N
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 06M121137AH
Audi A4 B9 A5 F5 Water Coolant Pipe Hose Cooling Line 06M121137AH
€28.95
Free delivery: Apr 16 – 21
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: Apr 16 – 21
If paid before 14:00
Part no. 079121102F
Audi S5 8T Engine Water Coolant Rubber Pipe Hose 4.2 FSI 079121102F
€23.95
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 06L121085K
Audi A4 B8 A5 8T Water Coolant Pipe Hose 2.0 TFSI Petrol Engine 06L121085K
€28.95
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 04L121131AD
Audi A5 8T Water Coolant Flange Pipe Hose Line 04L121131AD
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 5Q0122157CK
Audi A3 8V Water Hose Cooling Radiator Coolant Pipe Line 2.0 TDI 5Q0122157CK
€23.95
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 8K0121081CM
Audi A4 Avant B8 S5 8T A5 S5 Engine Coolant Hose Tube Pipe Line 8K0121081CM
€51.95
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 8P0820741A
Audi RS3 8P Refrigerant Hose Cooling Radiator Coolant Pipe Line 8P0820741A
€47.95
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 06E121065S
Audi A4 B8 A5 S5 8T Water Hose Cooling Coolant Pipe Line 3.0 TFSI 06E121065S
€23.95
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 079121065BJ
Audi S5 8T Coolant Pipe Cooler Water Hose Left N/S 4.2 Petrol CAUA 079121065BJ
€32.95
Free delivery: Apr 16 – 21
If paid before 14:00
-40%
Part no. 5N0121064H
Audi Q3 8U Volkswagen Tiguan 5N Coolant Hose Metal Pipe Radiator 5N0121064H
Promo price
€47.95
€28.77
Free delivery: Apr 16 – 21
If paid before 14:00
-15%
Part no. 6R0122157AA
Audi A1 8X Water Pipe Hose Line Cooling Coolant Unit Hose 6R0122157AA
Promo price
€28.95
€24.61
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 4G0121447AL
Audi A7 4G Coolant Cooling Water Pipe Hose Line 3.0 TDI 4G0121447AL
€23.95
Free delivery: Apr 16 – 21
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: Apr 16 – 21
If paid before 14:00
Part no. 420260712B
Audi R8 42 Air Conditioning A/C Pipe Hose Cooling Line Tube 420260712B
€66.95
Free delivery: Apr 16 – 21
If paid before 14:00
-15%
Part no. 03G121065AE
Audi A3 8P Seat Leon Mk2 2.0 TDI Water Coolant Cooling Pipe Hose Line 03G121071A
Promo price
€28.95
€24.61
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 06D121111G
Audi A4 B7 Coolant Regulator Thermostat Housing Pipe 2.0 TFSI BWE 06D121111G
€23.95
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 4F0819378F
Audi A6 C6 2.0 TFSI Coolant Water Heater Pipe Hose Line 4F0819378F
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 07L121053E
Audi S6 C6 S8 D3 Quattro 5.2 FSI V10 BSM Coolant Pipe Hose Water Line 07L121053E
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 6R0122101AQ
Audi A1 8X Coolant Cooling Engine Pipe Hose Line Radiator 6R0122101AQ
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 06A121065CQ
Audi A3 8P VW Golf Mk5 Coolant Hose Water Pipe Cooling 1.6 Petrol 06A121065CQ
€56.95
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 07K121057A
Coolant Hose Audi RS3 8V TTRS 8S 2.5 TFSI Cooling Pipe Line 07K121057A
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 059121398B
Audi A4 B8 A5 8T Q7 4L Coolant Hose Line Pipe Tube 3.0 TDI Diesel 059121398B
€28.95
Free delivery: Apr 16 – 21
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: Apr 16 – 21
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: Apr 16 – 21
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: Apr 16 – 21
If paid before 14:00
-40%
Part no. 06M121481L
Audi A4 S4 B9 3.0 TFSI Petrol Water Coolant Pipe Hose Line 06M121481L
Promo price
€70.95
€42.57
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 059121064D-1
Audi A5 8T Water Hose Cooling Coolant Radiator Pipe Line 3.0 TDI 059121070J
€23.95
Free delivery: Apr 16 – 21
If paid before 14:00
-15%
Part no. 06H133514K
Audi A5 8T 2.0 TFSI CDNB Vacuum Solenoid Coolant Line Tube Hose Pipe 06H133514K
Promo price
€32.95
€28.01
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 06K121132
Audi S3 8V Water Coolant Engine Cooling Flange Pipe Hose Line Petrol 06K121132
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 7L8121070BG
Audi Q7 4L Water Coolant Pipe Hose Line 3.0 TDI 7L8121070BG
€47.95
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 1J0121407D
Audi TT 8N Coolant Expansion Header Tank Bottle Reservoir Cap 1J0121407D
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 03L121157AQ
Audi A4 B8 A5 8T 2.0 TDI Water Hose Cooling Radiator Pipe Line 03L121157AQ
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
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: Apr 16 – 21
If paid before 14:00
Part no. 1K0145832AH
Audi A3 8P 2.0 TDI Convertible Intercooler Air Pipe Hose Left N/S 1K0145832AH
€56.95
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 4G0121485BE
Audi A6 C7 A7 4G8 Water Radiator Coolant Pipe Hose Tube Line Diesel 4G0121485BE
€32.95
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 059121399K
Audi SQ5 8R 3.0 TDI Diesel Coolant Hose Line Tube Pipe 059121399K
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
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: Apr 16 – 21
If paid before 14:00
Part no. 03G121071A
Audi A4 B7 2.0 TDI Water Hose Radiator Coolant Pipe Line 03G121071A
€37.95
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 1K0122073GF
Audi A3 8P Water Hose Cooling Coolant Radiator Pipe Line 1K0122073GF
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
If paid before 14:00
-15%
Part no. 04L122157BQ
Audi A5 8T 2.0 TDI CNHA Water Coolant Pipe Line Hose Tube 04L122157BQ
Promo price
€56.95
€48.41
Free delivery: Apr 16 – 21
If paid before 14:00
-40%
Part no. 03G121065R
Audi A4 B7 2.0 TDI BRE Water Coolant Pipe Hose Line 03G121071A
Promo price
€151.95
€91.17
Free delivery: Apr 16 – 21
If paid before 14:00
Part no. 4G0121481AL
Audi A6 Avant A7 Sportback Water Coolant Hose Pipe 4G0121481AL
€37.95
Free delivery: Apr 16 – 21
If paid before 14:00
-15%
Part no. 04L121026AF
Audi Q2 GA Diesel Thermostat Coolant Regulator Connector Pipe Hose 04L121026AF
Promo price
€28.95
€24.61
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 8K0121109AA
Water Hose Audi A5 8T A4 B8 Cooling Coolant Radiator Pipe Line 8K0121109AA
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
If paid before 14:00
-5%
Part no. 5Q0121070BQ
Audi S3 8V Water Hose Engine Coolant Cooling Pipe Line 5Q0121070BQ
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
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: Apr 16 – 21
If paid before 14:00
-5%
Part no. 8K0121101P
Audi A4 B8 2.0 TDI Diesel Water Pipe Engine Cooling Coolant Hose Line 8K0121101P
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
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: Apr 16 – 21
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: Apr 16 – 21
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: Apr 16 – 21
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: Apr 16 – 21
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: Apr 16 – 21
If paid before 14:00
-5%
Part no. 8W0819334F
Audi A4 B9 35 TFSI Water Hose Cooling Radiator Coolant Pipe Line 8W0819334F
Promo price
€23.95
€22.75
Free delivery: Apr 16 – 21
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 .